statistics of utility-scale solar pv, wind and csp in - … of... · procurement programme...
TRANSCRIPT
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Dr Tobias Bischof-Niemz Chief Engineer
Statistics of utility-scale solar PV, wind and CSP in South Africa in 2016 CSIR Energy Centre
April 2017
Joanne Calitz [email protected] Crescent Mushwana [email protected] Dr Tobias Bischof-Niemz [email protected]
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South Africa’s Renewable Energy Independent Power Producer Procurement Programme (REIPPPP) started in 2011
Integrated Resource Plan (IRP) 2010
• Promulgated in 2011, the IRP developed the preferred energy mix with which to meet the forecasted electricity needs over a 20 year horizon
• The plan included 9.2 GW of wind, 8.4 GW of solar PV and 1.2 GW of CSP by 2030
Ministerial Determination
• In May 2011, the Department of Energy (DoE) gazetted the New Generation Regulations under the Electricity Regulation Act (ERA) and made a determination for new energy capacity
• Second determination was made on 18 August 2015
IPPPP
• The IPPPP is a key vehicle for securing electricity capacity from the private sector for renewable and non-renewable energy sources as determined by the Minister of Energy
• The DoE, National Treasury (NT) and the Development Bank of Southern Africa (DBSA) established the IPP Office for the specific purpose of delivering on the IPP procurement objectives
• Since 2011, there have been 5 main Bid Windows (BW 1, 2, 3, 3.5, 4) contributing 6.3 GW total and recently an additional BW 4 Expedited, contributing 1.8 GW
• Power Purchase Agreements (PPAs) signed for BW 1,2,3 and 3.5 (1 project)
Sources: https://www.ipp-projects.co.za; http://www.energy.gov.za/files/aboutus/DoE-Annual-Performance-Plan-2016-17.pdf;
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Overview of South Africa’s REIPPPP
The REIPPPP is designed to contribute to meeting the national renewable energy target while encouraging foreign investment and developing socio-economic and environmentally sustainable growth
• To date, renewable energy projects in South Africa have resulted in 20 000 jobs for South Africans and have attracted R 192.6 billion in investment.
• Furthermore, IPPs have committed a total of R 19.1 billion toward socio-economic development initiatives within the communities in which they operate, thereby positively contributing to livelihoods and income generation
• The main evaluation criterion for the bid selection process is pricing, with a 70% weighting, and a 30% weighting for other factors such as job creation, local content and black economic empowerment
• Prices have dropped over the four bidding phases with average solar PV tariffs decreasing by 83%, wind by 59% and CSP dropping by 43%
• The REIPPPP includes onshore wind, solar PV, CSP, small hydro, biomass, biogas, landfill gas, small hydro and cogeneration (from agricultural waste / byproducts)
The South African Department of Energy (DoE) has already allocated a total of 8.1 GW of renewables (mainly wind and solar photovoltaic – PV) for procurement from Independent Power Producers (IPPs)
• … of this, 6.3 GW have achieved preferred bidder status
• … of this, 4.0 GW have financially closed and signed the Power Purchase Agreements with Eskom
• … of this, 1 460 MW of wind, 1 474 MW of solar PV and 200 MW of CSP were operational and fed energy into the grid by Dec 2016
Sources: http://www.energy.gov.za/files/aboutus/DoE-Annual-Performance-Plan-2016-17.pdf
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333632
435 520415
415
BW 2 BW 3.5 BW 4
520
BW 1
417 0 632
BW 3
84 435
BW 4 Expedited
Supply Sources
Notes: RSA = Republic of South Africa. Wind excludes Eskom’s Sere wind farm (100 MW). BW = Bid Window. PPA = Power Purchase Agreement Sources: Eskom; DoE IPP Office; http://www.energy.gov.za/files/renewable-energy-status-report/Market-Overview-and-Current-Levels-of-Renewable-Energy-Deployment-NERSA.pdf
Procured and operational capacity under RSA’s RE IPP Procurement Programme (REIPPPP) in 2016
336634
227 787 650676
BW 2
563
BW 3
787
BW 3.5
676
BW 4
650
BW 4 Expedited
BW 1
634
200100
450100
BW 4 Expedited
BW 4 BW 3.5
200 450
BW 1
50 50
BW 2
150 150
200
BW 3
970 MW 965 MW
Capacity operational (1 January 2016)
0 MW 1360 MW 1474 MW 200 MW Solar PV procured, PPAs not signed yet
Solar PV procured, PPAs signed
Solar PV operational 632
417 425 520415
BW 1
417
BW 2
435 10
415
BW 3 BW 3.5
520
BW 4
632
BW 4 Expedited
563634624
650676
163
BW 2
787
BW 3.5 BW 3
650
BW 4
676
BW 4 Expedited
634
BW 1
563
200100
450200
BW 3 BW 3.5
200
BW 4 Expedited
450
BW 4 BW 1
50 50
BW 2
150 150 100
Wind operational
Wind procured, PPAs signed
Wind procured, PPAs not signed yet
CSP procured, PPAs not signed yet
CSP procured, PPAs signed
CSP operational
Capacity operational (31 December 2016)
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0.620.87
1.17
3.65
0.620.690.87
1.19
1.52
2.02
2.903.11
3.323.55
0
1
2
3
4
5
Nov 2015 Aug 2014 Aug 2013 Mar 2012
2.18
Nov 2011
Wind
Solar PV
CSP
Sources: http://www.energy.gov.za/files/renewable-energy-status-report/Market-Overview-and-Current-Levels-of-Renewable-Energy-Deployment-NERSA.pdf; http://www.saippa.org.za/Portals/24/Documents/2016/Coal%20IPP%20factsheet.pdf; http://www.ee.co.za/wp-content/uploads/2016/10/New_Power_Generators_RSA-CSIR-14Oct2016.pdf; StatsSA on CPI; BW = Bid Window; Dates shown are the bid submission dates; CSIR analysis
Actual average tariffs in R/kWh (Apr-2016-R)
Actual tariffs: Reductions in tariff for new wind, solar PV and CSP Results of Department of Energy’s RE IPP Procurement Programme
BW1 BW 4 (Expedited)
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Summary of 2016 statistics: 2.9 % of system load supplied from wind, solar PV & CSP in RSA
In Dec 2016, a total of 1 460 MW wind, 1474 MW of solar PV and 200 MW of CSP capacity were operational
• An additional 385 MW of wind, 509 MW of solar PV and 200 MW of CSP became operational during 2016
In 2016, total wind, solar PV and CSP production was 6.9 TWh, supplying 2.9% of SA’s system load
• Maximum daily total energy from solar PV, wind & CSP combined was 35 GWh, which occurred on 13 Nov 2016
• Wind power achieved a maximum peak power production of 1 230 MW between 12h00-13h00 on 23 Dec 2016
• Solar PV power reached a maximum peak power production of 1 351 MW between 11h00-12h00 on 16 Dec 2016
• CSP power reached a maximum peak power production of 200 MW between 13h00-14h00 on 11 Aug 2016
• Maximum instantaneous power contribution of wind, solar PV & CSP was 9.6% on 23 Dec 2016 between 12h00-13h00
• Maximum instantaneous power contribution of wind alone was 5.4% on 25 Dec 2016 between 17h00-18h00
• Maximum instantaneous power contribution of solar PV alone was 5.0% on 31 Dec 2016 between 11h00-12h00
• Maximum instantaneous power contribution of CSP alone was 0.8% on 27 Aug 2016 between 14h00-15h00
Total monthly wind, solar PV and CSP production from Jan to Dec 2016 varied between 431 GWh and 765 GWh
• The monthly wind production from Jan to Dec 2016 varied between 226 and 390 GWh
• The monthly solar PV production from Jan to Dec 2016 varied between 150 and 330 GWh
• The monthly CSP production from Jan to Dec 2016 varied between 29 and 58 GWh
Notes: RSA = Republic of South Africa. Sources: CSIR Analysis; Eskom; DoE IPP Office
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5601 075
1 460
210
960
965
1 474
200257
2020 2019 2018 2017 2016
3 134
2015
2 040
2014
+1 094
+520
+1 053
1 520
2013
467
Solar PV
CSP
Wind
Supply Sources
Notes: RSA = Republic of South Africa. Solar PV capacity = capacity at point of common coupling. Wind includes Eskom’s Sere wind farm (100 MW) Sources: Eskom; DoE IPP Office
From 1 November 2013 to 31 Dec 2016, 1 460 MW of wind, 1 474 MW of large-scale solar PV and 200 MW of CSP became operational in RSA
Capacity operational in MW
(end of year)
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2017 2016
6.9
3.7
2.6
2015
4.7
2.5
2.2
2014
2.2
1.1
1.1
2013
0.1 0.01 0.05 0.5
2020 2019 2018
CSP
Wind
Solar PV
Notes: Wind includes Eskom’s Sere wind farm (100 MW). CSP energy only measured from date when more than two CSP plant was commissioned Sources: Eskom; DoE IPP Office
Annual energy produced in TWh
In 2016, 6.9 TWh of wind, solar PV and CSP energy produced in RSA
Supply Sources
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Transmission Network
Notes: RSA = Republic of South Africa. Simplified illustration of wind, solar PV and CSP grid connections Sources: Eskom; DoE IPP Office
Illustration: Calculation of average capacity factor of operational wind, solar PV and CSP in RSA
Rated Capacity Substation
Average Capacity Factor (CF)
P = Contracted Capacity measured at point of common coupling, in kW
CF = 𝐸𝑡𝑛𝑡=1
𝑃𝑡𝑛𝑡=1𝑛
Where: P = Contracted Capacity, in kW E = Energy production, in kWh t = Time period n = Number of time periods
Rated Capacity, C in kW
= 𝑇𝑜𝑡𝑎𝑙 𝐸𝑛𝑒𝑟𝑔𝑦 𝑖𝑛 𝑡𝑖𝑚𝑒 𝑝𝑒𝑟𝑖𝑜𝑑 (𝑘𝑊ℎ)
𝐴𝑣𝑒𝑟𝑎𝑔𝑒 𝐶𝑎𝑝𝑎𝑐𝑖𝑡𝑦 𝑖𝑛 𝑡𝑖𝑚𝑒 𝑝𝑒𝑟𝑖𝑜𝑑 (𝑘𝑊) DC AC
AC
AC
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10
26%26%26%
5%
2013 2015 2020 2018 2016 2019 2017 2014
35%32%32%
2%
2014 2019 2018 2015 2016 2017 2013 2020
Wind
Notes: Capacity operational as per actual start of operation (can differ from REIPPP contracted date), CSP - only measured from date when more than two CSP plants commissioned. Wind includes Sere wind farm (100 MW). Sources: Eskom; DoE IPP Office
In 2016, the average annual capacity factor of the solar PV, wind and CSP fleet was 26%, 35% and 31% respectively
Average Capacity Factor
Solar PV
31%
2013 2015 2016 2020 2014 2018 2019 2017
CSP
Supply Sources
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Agenda
Overview actual electricity production data for 2016
Monthly electricity production
Weekly electricity production
Daily electricity production
Hourly electricity production and gradients
Actual load shedding in 2016
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In 2016, 227 TWh of net electricity were produced in SA Actuals captured in wholesale market for Jan-Dec 2016 (i.e. without self-consumption of embedded plants)
Notes: “Net Sent Out“ = Total domestic generation (Sent Out) minus pumping load (not shown seperately) Sources: Eskom; Statistics South Africa for imports and exports (Dec 2016 estimated)
Annual electricity
in TWh
Available for distribution
in RSA
Exports
16.7
System Load (domestic and export load)
237.7
Imports
10.7
Net Sent Out
227.0 221.0
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Wind, solar PV and CSP supplied 2.9% of total SA system load in 2016 Actuals captured in wholesale market for Jan-Dec 2016 (i.e. without self-consumption of embedded plants)
System Load (domestic and export load)
230.8 3.7 (1.6%)
Residual Load
2.6 (1.1%)
Wind
0.5 (0.2%)
Solar PV
237.7
CSP
Annual electricity
in TWh
Notes: Wind includes Eskom’s Sere wind farm (100 MW). Sources: Eskom; DoE IPP Office
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200200200 200200200200200200200200
965965965
Dec
3 134
1 474
1 460
Nov
2 984
1 460
1 324
Oct
2 984
1 460
1 324
Sep
2 964
1 440
1 324
Aug
2 823
1 373
1 250
Jul
2 595
1 280
1 115
Jun
2 360
1 120
1 040
May
2 360
1 120
1 040
Apr
2 310
1 070
1 040
Mar
2 235
1 070
Feb
2 235
1 070
Jan
2 035
1 070 Wind
Solar PV
CSP
Supply Sources
Notes: Capacity operational as per actual start of operation (can differ from REIPPP contracted date), CSP - only measured from date when more than two CSP plants commissioned. Wind includes Sere wind farm (100 MW). Sources: Eskom; DoE IPP Office
In 2016, 385 MW of wind and 509 MW of solar PV were added to grid Total monthly installed capacity of solar PV, wind and CSP in MW in RSA from Jan-Dec 2016
Capacity operational in MW
(end of month)
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15
27%21%24%
31%31%30%25%21%20%27%29%27%
Nov Oct Sep Aug Dec Jul Jun May Apr Mar Feb Jan
Solar PV
Supply Sources
Notes: Capacity operational as per actual start of operation (can differ from REIPPP contracted date), CSP - only measured from date when more than two CSP plants commissioned. Wind includes Sere wind farm (100 MW). Sources: Eskom; DoE IPP Office
Average monthly capacity factors for solar PV, wind and CSP Average monthly capacity factors of solar PV, wind and CSP in RSA from Jan-Dec 2016
Average Monthly Capacity Factor
1070 MW
965 MW
Capacity operational
(1 Jan)
0 MW
36%37%34%35%34%37%39%28%
34%34%31%33%
Dec Apr Mar Jul Jun May Nov Sep Aug Oct Feb Jan Wind
31%34%36%41%33%
22%20%28%29%
38%33%
Nov Dec Oct Sep Aug Jul Jun May Apr Mar Feb Jan
CSP
1460 MW
1474 MW
Capacity operational
(31 Dec)
200 MW
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16
30
20
10
0
5
15
25
35
Power in GW
22 24 14 12 8 6 4 2 0 10 16 18 20
35
30
25
20
15
10
5
0 8 6 4 2 0
Power in GW
24 22 20 18 16 14 12 10
Total Generation
Supply Sources
IPPs: Independent Power Producers; pumping load: demand from pumped storage scheme when operated in pumping mode Sources: Eskom; CSIR Energy Centre analysis
Illustrative day explaining terminologies used in this presentation Hourly South African supply structure for a random day
System Load
System Load
Residual Load
Residual Load
Wind
Solar PV
Pumping load
CSP
Supply Sources
= domestic generation (Eskom + IPPs) + imported generation – pumping load = domestic customer load without pumping load (also referred to as simply "domestic load”) + export load
= System Load – wind – solar PV - CSP
System Load
Total Generation = domestic generation (Eskom + IPPs) + imported generation
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17
15
20
10
35
5
0
25
30
18 21 22 13 19 16 17 14 15 20 12 11 10
Power in GW
5 4 6 9 24 7 8 23 2 0 1 3
CSP
Residual Load
Solar PV
Wind
Supply Sources
Note: Total daily production excludes hyrdo pumping load Sources: Eskom; CSIR Energy Centre analysis
Maximum daily wind, solar PV & CSP energy of 35 GWh on 13 Nov ‘16 Actual hourly wind, solar PV & CSP energy production in South Africa on 13 November 2016 (Sunday)
Maximum daily wind, solar PV & CSP
production was 35 GWh
1460 MW
1324 MW
Capacity operational
(end of month)
200 MW
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Maximum daily solar PV energy of 12 GWh achieved on 22 Dec 2016 Actual hourly wind, solar PV & CSP energy production in South Africa on 22 December 2016 (Thursday)
0
35
30
25
20
15
10
5
Power in GW
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Residual Load
Wind
Solar PV
CSP
Supply Sources
Note: Total daily production excludes hyrdo pumping load Sources: Eskom; CSIR Energy Centre analysis
Maximum daily solar PV production was 12 GWh
1460 MW
1474 MW
Capacity operational
(end of month)
200 MW
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Maximum daily wind energy of 22 GWh achieved on 13 Nov 2016 Actual hourly wind, solar PV & CSP energy production in South Africa on 13 November 2016 (Sunday)
35
30
25
20
15
10
5
0 24 23 22 21 20 19 18 17
Power in GW
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 16
Residual Load
Wind
Solar PV
CSP
Supply Sources
Note: Total daily production excludes hyrdo pumping load Sources: Eskom; CSIR Energy Centre analysis
Maximum daily wind production was 22 GWh
1460 MW
1324 MW
Capacity operational
(end of month)
200 MW
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Maximum daily CSP energy of 3 GWh achieved on 27 Oct 2016 Actual hourly wind, solar PV & CSP energy production in South Africa on 27 October 2016 (Sunday)
35
30
25
20
15
10
5
0 24 23 22 21 20 19 18 17
Power in GW
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 16
Residual Load
Wind
Solar PV
CSP
Supply Sources
Note: Total daily production excludes hyrdo pumping load Sources: Eskom; CSIR Energy Centre analysis
Maximum daily CSP production was 3 GWh
1460 MW
1324 MW
Capacity operational
(end of month)
200 MW
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Lowest combined wind, solar PV & CSP energy of 7 GWh on 14 May ‘16 Actual hourly wind, solar PV & CSP energy production in South Africa on 14 May 2016 (Saturday)
10
35
25
0
5
30
20
15
24
Power in GW
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
CSP
Residual Load
Wind
Solar PV
Supply Sources
Note: Total daily production excludes hyrdo pumping load Sources: Eskom; CSIR Energy Centre analysis
Lowest daily wind, solar PV & CSP production was
7 GWh
1120 MW
1040 MW
Capacity operational
(end of month)
200 MW
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Lowest solar PV energy production of 2 GWh occurred on 13 May 2016 Actual hourly wind, solar PV & CSP energy production in South Africa on 13 May 2016 (Friday)
0
35
30
25
20
15
10
5
Power in GW
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Residual Load
Wind
Solar PV
CSP
Supply Sources
Note: Total daily production excludes hyrdo pumping load Sources: Eskom; CSIR Energy Centre analysis
Lowest daily solar PV production was 2 GWh
1120 MW
1040 MW
Capacity operational
(end of month)
200 MW
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23
Lowest wind energy production of 2 GWh occurred on 14 May 2016 Actual hourly wind, solar PV & CSP energy production in South Africa on 14 May 2016 (Sunday)
0
35
30
25
20
15
10
5
Power in GW
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Residual Load
Wind
Solar PV
CSP
Supply Sources
Note: Total daily production excludes hyrdo pumping load Sources: Eskom; CSIR Energy Centre analysis
Lowest daily wind production was 2 GWh
1120 MW
1040 MW
Capacity operational
(end of month)
200 MW
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24
20
15
10
5
0
35
30
25
1 2 3 4 6 9 5 10 8 12 7 11
Power in GW
24 23 22 21 20 19 18 17 16 15 14 13 0
Residual Load
Wind
Solar PV
CSP
Supply Sources
Note: Total daily production excludes hyrdo pumping load Sources: Eskom; CSIR Energy Centre analysis
Maximum peak solar PV production of 1 351 MW between 11h00 - 12h00
1460 MW
1475 MW
Capacity operational
(end of month)
Maximum solar PV power output of 1 351 MW occurred on 16 Dec ‘16 Actual hourly wind, solar PV & CSP energy production in South Africa on 16 Dec 2016 (Friday)
200 MW
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25
0
5
10
15
20
25
30
35
8 9 10 11 12 13 14 15 21 17 18 19 20 22 24 0 1 2 3 4 5 6 7
Power in GW
23 16
Solar PV
CSP
Wind
Residual Load
Maximum wind power output of 1 230 MW occurred on 23 Dec 2016 Actual hourly wind, solar PV & CSP energy production in South Africa on 23 Dec 2016 (Friday)
Maximum peak wind production of 1 230 MW between 12h00 - 13h00
Supply Sources
Note: Total daily production excludes hyrdo pumping load Sources: Eskom; CSIR Energy Centre analysis
1460 MW
1474 MW
Capacity operational
(end of month)
200 MW
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26
0
5
10
15
20
25
30
35
8 9 10 11 12 13 14 15 21 17 18 19 20 22 24 0 1 2 3 4 5 6 7
Power in GW
23 16
Solar PV
CSP
Wind
Residual Load
Maximum CSP power output of 200 MW occurred on 11 Aug 2016 Actual hourly wind, solar PV & CSP energy production in South Africa on 11 Aug 2016 (Thursday)
Maximum peak CSP production of 200 MW between 13h00 - 14h00
Supply Sources
Note: Total daily production excludes hyrdo pumping load Sources: Eskom; CSIR Energy Centre analysis
1460 MW
1474 MW
Capacity operational
(end of month)
200 MW
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27
0
5
10
15
20
25
30
35
8 9 10 11 12 13 14 15 20 17 18 19 21
Power in GW
23 24 0 1 2 3 4 5 6 7 22 16
CSP
Solar PV
Wind
Residual Load
Lowest maximum peak solar PV production of 314 MW between 13h00 - 14h00
Supply Sources
Note: Total daily production excludes hyrdo pumping load Sources: Eskom; CSIR Energy Centre analysis
1120 MW
1040 MW
Capacity operational
(end of month)
Lowest daily peak solar PV power output of 314 MW on 13 May 2016 Actual hourly wind and solar PV energy production in South Africa on 13 May 2016 (Friday)
200 MW
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28
Agenda
Overview actual electricity production data for 2016
Monthly electricity production
Weekly electricity production
Daily electricity production
Hourly electricity production and gradients
Actual load shedding in 2016
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29
Monthly electricity production of SA’s wind, solar PV and CSP fleet Actual monthly production from wind, solar PV and CSP plants in South Africa from Jan-Dec 2016
800
850
650
750
700
600
550
500
450
400
350
300
250
200
150
100
50
0
193
460
228
194
452
259
193
38 56 41 42 29 32 49
150
54 48 46
609
Monthly electricity production in GWh
336
224
58
523
322
169
495
316
431
226
163
484
264
179
519
270
765
389
330
729
390
291
721
370
297
666
361
246
CSP
Wind
Solar PV
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Supply Sources
Note: Wind generation includes Eskom’s 100 MW Sere wind farm. CSP energy only measured from date when more than two CSP plant was commissioned. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Capacity operational (1 January)
Capacity operational
(31 Dec)
1460 MW
1474 MW
1070 MW
965 MW
0 MW 200 MW
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30
Monthly electricity production wind, solar PV, CSP and residual load Actual monthly electricity production for Jan-Dec 2016 from the different supply sources in South Africa
6
0
2
4
8
10
12
14
16
18
20
22
19.5
20.3
19.9
19.3
18.8
19.9 20.8
19.1
18.7
19.7
19.3 19.5
20.1
18.8 20.3
19.1
18.3
19.7
18.9
20.1
19.4
19.5 20.0
Monthly electricity production in TWh
19.3
CSP
Solar PV
Wind
Residual Load
Notes: Pumping load excluded. Wind generation includes Eskom’s 100 MW Sere wind farm. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1460 MW
1474 MW
Capacity operational
(31 Dec)
Supply Sources
Capacity operational (1 January)
1070 MW
965 MW
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
0 MW 200 MW
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31
Solar PV supply in Jan 2016 was very stable Hourly solar PV production for all 31 days of Jan 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
Solar PV in MW System Load in MW
System Load Average PV Hourly PV
965 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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32
Solar PV supply in Feb 2016 was very stable Hourly solar PV production for all 29 days of Feb 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
Solar PV in MW System Load in MW
System Load Average PV Hourly PV
965 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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33
Solar PV supply in Mar 2016 was very stable Hourly solar PV production for all 31 days of Mar 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Solar PV in MW
System Load Average PV Hourly PV
965 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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34
Solar PV supply in Apr 2016 very stable Hourly solar PV production for all 30 days of Apr 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Solar PV in MW
System Load Average PV Hourly PV
1040 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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35
Solar PV supply in May 2016 very stable Hourly solar PV production for all 31 days of May 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Solar PV in MW
System Load Average PV Hourly PV
1040 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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36
Solar PV supply in Jun 2016 very stable Hourly solar PV production for all 30 days of Jun 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Solar PV in MW
System Load Average PV Hourly PV
1040 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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37
Solar PV supply in Jul 2016 very stable Hourly solar PV production for all 31 days of Jul 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Solar PV in MW
System Load Average PV Hourly PV
1115 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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38
Solar PV supply in Aug 2016 very stable Hourly solar PV production for all 31 days of Aug 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Solar PV in MW
System Load Average PV Hourly PV
1250 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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39
Solar PV supply in Sep 2016 very stable Hourly solar PV production for all 30 days of Sep 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Solar PV in MW
System Load Average PV Hourly PV
1324 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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40
Solar PV supply in Oct 2016 very stable Hourly solar PV production for all 31 days of Oct 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Solar PV in MW
System Load Average PV Hourly PV
1324 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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41
Solar PV supply in Nov 2016 very stable Hourly solar PV production for all 30 days of Nov 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Solar PV in MW
System Load Average PV Hourly PV
1324 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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42
Solar PV supply in Dec 2016 very stable Hourly solar PV production for all 31 days of Dec 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Solar PV in MW
System Load Average PV Hourly PV
1474 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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43
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Wind in MW
In Jan 2016, wind supplied in the evenings Hourly wind production for all 31 days of Jan 2016 and average system load diurnal course
1070 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Average wind Hourly wind System Load
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44
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
Wind in MW System Load in MW
In Feb 2016, wind supplied in the evenings Hourly wind production for all 29 days of Feb 2016 and average system load diurnal course
1070 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Average wind Hourly wind System Load
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45
In Mar 2016, wind supplied in the evenings Hourly wind production for all 31 days of Mar 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
Wind in MW System Load in MW 1070 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Average wind Hourly wind System Load
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0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Wind in MW
In Apr 2016, wind fluctuated day-to-day Hourly wind production for all 30 days of Apr 2016 and average system load diurnal course
1070 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly wind Average wind System Load
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0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
Wind in MW System Load in MW
In May 2016, wind fluctuated day-to-day Hourly wind production for all 31 days of May 2016 and average system load diurnal course
1120 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Average wind System Load Hourly wind
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48
In Jun 2016, wind fluctuated day-to-day Hourly wind production for all 30 days of Jun 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Wind in MW 1120 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly wind Average wind System Load
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0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
Wind in MW System Load in MW
In Jul 2016, wind fluctuated day-to-day Hourly wind production for all 31 days of Jul 2016 and average system load diurnal course
1280 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
System Load Hourly wind Average wind
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50
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Wind in MW
In Aug 2016, wind fluctuated day-to-day Hourly wind production for all 31 days of Aug 2016 and average system load diurnal course
1373 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Average wind Hourly wind System Load
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51
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Wind in MW
In Sep 2016, wind supplied in the evenings Hourly wind production for all 30 days of Sep 2016 and average system load diurnal course
1440 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
System Load Hourly wind Average wind
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52
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Wind in MW
In Oct 2016, wind supplied in the evenings Hourly wind production for all 31 days of Oct 2016 and average system load diurnal course
1460 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Average wind Hourly wind System Load
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53
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Wind in MW
In Nov 2016, wind supplied in the evenings Hourly wind production for all 30 days of Nov 2016 and average system load diurnal course
1460 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly wind System Load Average wind
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54
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
System Load in MW Wind in MW
Solar PV supply in Dec 2016 very stable, wind supplied in evenings Hourly solar PV and wind production for all 31 days of Dec 2016 and average system load diurnal course
1460 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly wind System Load Average wind
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55
There was no CSP supply in Jan 2016 Hourly CSP production for all 31 days of Jan 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 0 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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56
In Feb 2016, CSP storage used in evenings Hourly CSP production for all 29 days of Feb 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 200 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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57
In Mar 2016, CSP storage used in evenings Hourly CSP production for all 31 days of Mar 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 200 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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58
In Apr 2016, CSP storage used in evenings Hourly CSP production for all 30 days of Apr 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 200 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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59
In May 2016, CSP storage used in evenings Hourly CSP production for all 31 days of May 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 200 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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60
In Jun 2016, CSP storage used in evenings Hourly CSP production for all 30 days of Jun 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 200 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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61
In Jul 2016, CSP storage used in evenings Hourly CSP production for all 31 days of Jul 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 200 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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62
In Aug 2016, CSP storage used in evenings Hourly CSP production for all 31 days of Aug 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 200 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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63
In Sep 2016, CSP storage used in evenings Hourly CSP production for all 30 days of Sep 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 200 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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64
In Oct 2016, CSP storage used in evenings Hourly CSP production for all 31 days of Oct 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 200 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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65
In Nov 2016, CSP storage used in evenings Hourly CSP production for all 30 days of Nov 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 200 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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66
In Dec 2016, CSP storage used in evenings Hourly CSP production for all 31 days of Dec 2016 and average system load diurnal course
0
200
400
600
800
1 000
1 200
1 400
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0
5 000
10 000
15 000
20 000
25 000
30 000
35 000
CSP in MW System Load in MW 200 MW
Capacity operational
Note: System load excludes hydro pumping load Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Hourly CSP System Load Average CSP
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67
Agenda
Overview actual electricity production data for 2016
Monthly electricity production
Weekly electricity production
Daily electricity production
Hourly electricity production and gradients
Actual load shedding in 2016
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68
Weekly electricity production of SA’s wind, solar PV and CSP fleet Actual weekly production from large-scale solar PV, wind & CSP plants under the REIPPPP from Jan-Dec 2016
100
60
40
20
200
80
120
140
160
180
0
Electricity production in GWh/week
52 49 46 43 40 37 34 31 28 25 22 19 16 13 10 7 4 1
Wind
Solar PV
CSP
• Maximum wind + solar PV weekly production of 121 GWh in week 2
• Minimum wind + solar PV weekly production of 62 GWh in week 20
1070 MW
965 MW
Capacity operational (1 January)
1460 MW
1474 MW
Note: Design as per Fraunhofer ISE. Week 1 adjusted/scaled to 7 day week. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Capacity operational
(31 Dec)
Supply Sources
0 MW 200 MW
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69
Weekly electricity production wind, solar PV, CSP and residual load Actual weekly production: conventional fleet, wind, solar PV & CSP plants under REIPPPP from Jan-Dec 2016
5 000
4 500
4 000
3 500
3 000
2 500
2 000
1 500
1 000
500
0
Electricity production in GWh/week
52 49 46 43 40 37 34 31 28 25 22 19 16 13 10 7 4 1
Residual Load
Wind
Solar PV
CSP
Supply Sources
Capacity operational
(31 Dec)
Note: Design as per Fraunhofer ISE. Week 1 adjusted/scaled to 7 day week. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Capacity operational (1 January)
1070 MW
965 MW
1460 MW
1474 MW
0 MW 200 MW
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70
Agenda
Overview actual electricity production data for 2016
Monthly electricity production
Weekly electricity production
Daily electricity production
Hourly electricity production and gradients
Actual load shedding in 2016
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71
Daily electricity production wind, solar PV & CSP fleet Jan to Dec 2016 Actual daily production from large-scale solar PV, wind and CSP plants under the REIPPPP from Jan-Dec 2016
0
5
10
15
20
25
30
35
Electricity production in GWh/day
Solar PV
Wind
CSP
Supply Sources
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
• Maximum daily production of 22.9 GWh on 13 Nov 2016 (Sunday)
• Minimum daily production of 5.7 GWh on 14 May 2016 (Saturday)
Note: Design as per Fraunhofer ISE.Wind includes Eskom‘s Sere wind plant. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Capacity operational
(31 Dec)
1460 MW
1474 MW
200 MW
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72
On 90% of the days from Jan - Dec 2016, solar PV and wind had a daily energy production of 4 GWh or more Frequency distribution of daily solar PV, wind and CSP electricity production for January - December 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0 5 10 15 20 25
GWh/day
Cumulative Frequency
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0 5 10 15 20 25
GWh/day
Cumulative Frequency
Supply Sources
Capacity operational
(31 Dec)
1460 MW
1474 MW
200 MW
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0 5 10 15 20 25
Cumulative Frequency
GWh/day
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73
Daily electricity production of between 548-676 GWh in Jan 2016 Actual daily production from all power supply sources in South Africa for January 2016
• Maximum daily production of 676 GWh on 21 Jan 2016 (Thursday)
• Minimum daily production of 548 GWh on 1 Jan 2016 (Friday)
500
750
700
650
600
550
200
450
400
350
300
250
0
150
100
50
31 30 29 28 27 26 25 24 23
GWh/day
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Residual Load
Wind
Solar PV
CSP
Supply Sources
1070 MW
965 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
0 MW
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74
Daily electricity production of between 601-688 GWh in Feb 2016 Actual daily production from all power supply sources in South Africa for February 2016
• Maximum daily production of 688 GWh on 24 Feb 2016 (Wednesday)
• Minimum daily production of 601 GWh on 28 Feb 2016 (Sunday)
500
750
700
650
600
550
200
450
400
350
300
250
0
150
100
50
31 30 29 28 27 26 25 24
GWh/day
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Residual Load
Wind
Solar PV
CSP
Supply Sources
1070 MW
965 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
200 MW
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75
Daily electricity production of between 565-677 GWh in Mar 2016 Actual daily production from all power supply sources in South Africa for March 2016
• Maximum daily production of 677 GWh on 17 Mar 2016 (Thursday)
• Minimum daily production of 565 GWh on 27 Mar 2016 (Sunday)
500
750
700
650
600
550
200
450
400
350
300
250
0
150
100
50
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13
GWh/day
11 10 9 8 7 12 5 4 3 2 1 6
Residual Load
Wind
Solar PV
CSP
Supply Sources
1070 MW
965 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
200 MW
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76
Daily electricity production of between 602-673 GWh in Apr 2016 Actual daily production from all power supply sources in South Africa for April 2016
• Maximum daily production of 673 GWh on 21 Apr 2016 (Thursday)
• Minimum daily production of 602 GWh on 10 Apr 2016 (Sunday)
500
750
700
650
600
550
200
450
400
350
300
250
0
150
100
50
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13
GWh/day
11 10 9 8 7 12 5 4 3 2 1 6
Residual Load
Wind
Solar PV
CSP
Supply Sources
1070 MW
1040 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
200 MW
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77
Daily electricity production of between 579-684 GWh in May 2016 Actual daily production from all power supply sources in South Africa for May 2016
• Maximum daily production of 684 GWh on 26 May 2016 (Thursday)
• Minimum daily production of 579 GWh on 1 May 2016 (Sunday)
500
750
700
650
600
550
200
450
400
350
300
250
0
150
100
50
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13
GWh/day
11 10 9 8 7 12 5 4 3 2 1 6
Residual Load
Wind
Solar PV
CSP
Supply Sources
1120 MW
1040 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
200 MW
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78
Daily electricity production of between 618-711 GWh in Jun 2016 Actual daily production from all power supply sources in South Africa for June 2016
• Maximum daily production of 711 GWh on 14 Jun 2016 (Tuesday)
• Minimum daily production of 618 GWh on 19 Jun 2016 (Sunday)
500
750
700
650
600
550
200
450
400
350
300
250
0
150
100
50
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13
GWh/day
11 10 9 8 7 12 5 4 3 2 1 6
Residual Load
Wind
Solar PV
CSP
Supply Sources
1120 MW
1040 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
200 MW
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79
Daily electricity production of between 618-706 GWh in Jul 2016 Actual daily production from all power supply sources in South Africa for July 2016
• Maximum daily production of 706 GWh on 26 Jul 2016 (Tuesday)
• Minimum daily production of 618 GWh on 10 Jul 2016 (Sunday)
500
750
700
650
600
550
200
450
400
350
300
250
0
150
100
50
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13
GWh/day
11 10 9 8 7 12 5 4 3 2 1 6
Residual Load
Wind
Solar PV
CSP
Supply Sources
1280 MW
1115 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
200 MW
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80
Daily electricity production of between 595-684 GWh in Aug 2016 Actual daily production from all power supply sources in South Africa for August 2016
• Maximum daily production of 684 GWh on 1 Aug 2016 (Monday)
• Minimum daily production of 595 GWh on 28 Aug 2016 (Sunday)
500
750
700
650
600
550
200
450
400
350
300
250
0
150
100
50
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13
GWh/day
11 10 9 8 7 12 5 4 3 2 1 6
Residual Load
Wind
Solar PV
CSP
Supply Sources
1373 MW
1250 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
200 MW
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81
Daily electricity production of between 598-676 GWh in Sep 2016 Actual daily production from all power supply sources in South Africa for September 2016
• Maximum daily production of 676 GWh on 19 Sep 2016 (Monday)
• Minimum daily production of 598 GWh on 4 Sep 2016 (Sunday)
500
750
700
650
600
550
200
450
400
350
300
250
0
150
100
50
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13
GWh/day
11 10 9 8 7 12 5 4 3 2 1 6
Residual Load
Wind
Solar PV
CSP
Supply Sources
1440 MW
1324 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
200 MW
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82
Daily electricity production of between 598-676 GWh in Oct 2016 Actual daily production from all power supply sources in South Africa for October 2016
• Maximum daily production of 675 GWh on 18 Oct 2016 (Tuesday)
• Minimum daily production of 592 GWh on 2 Oct 2016 (Sunday)
0
750
700
650
600
550
500
450
400
350
300
250
200
150
100
50
GWh/day
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Residual Load
Wind
Solar PV
CSP
Supply Sources
1460 MW
1324 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
200 MW
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83
Daily electricity production of between 598-676 GWh in Nov 2016 Actual daily production from all power supply sources in South Africa for November 2016
• Maximum daily production of 677 GWh on 30 Nov 2016 (Wednesday)
• Minimum daily production of 610 GWh on 20 Nov 2016 (Sunday)
0
750
700
650
600
550
500
450
400
350
300
250
200
150
100
50
GWh/day
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Residual Load
Wind
Solar PV
CSP
Supply Sources
1460 MW
1324 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
200 MW
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84
Daily electricity production of between 598-676 GWh in Dec 2016 Actual daily production from all power supply sources in South Africa for December 2016
• Maximum daily production of 675 GWh on 18 Oct 2016 (Tuesday)
• Minimum daily production of 592 GWh on 2 Oct 2016 (Sunday)
500
750
700
650
600
550
200
450
400
350
300
250
0
150
100
50
GWh/day
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Residual Load
Wind
Solar PV
CSP
Supply Sources
1460 MW
1474 MW
Capacity operational
(end of month)
Note: Design as per Fraunhofer ISE. Daily production excludes pumping load. ISE.Wind includes Sere. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
200 MW
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85
Daily solar PV, wind & CSP contribution of 1.2-3.2% in Jan 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for January 2016
• Maximum daily relative solar PV contribution of 1.4% on 2 Jan 2016 (Saturday)
• Maximum daily relative wind contribution of 2.3% on 7 Jan 2016 (Thursday)
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
2.4%
27
2.5%
1.1% 1.4%
26
2.2%
1.3% 1.2%
25
2.3%
1.2%
1.1%
24
2.2%
0.9% 1.2%
23
1.4%
1.3% 1.3%
22
1.4%
21
1.3%
20
1.7%
19
1.8%
18
1.2%
17
2.3%
16
2.9%
15
2.8%
14
2.6%
13
2.0%
12
2.6%
11
3.0%
10
3.0%
9
2.9%
8
3.2%
7
3.2%
6
2.4%
5
2.1%
4
2.5%
3
2.5%
2
2.4%
1
2.1%
28
Relative daily contribution
31
2.1%
30
2.2%
29
2.3% 0.8%
0.4% 0.6%
1.0% 1.2% 1.2%
1.1% 1.2% 1.1%
1.2%
0.6%
0.6%
0.8% 0.6%
0.4%
0.9%
1.1%
0.8%
1.0%
0.8%
1.2% 1.0% 0.8%
1.3% 1.1% 1.0% 1.3% 1.1%
0.9% 0.9%
2.0% 1.6%
1.2% 1.5%
2.1%
0.9% 1.1% 1.0% 0.6%
1.7% 2.1%
1.7% 1.6% 2.0%
2.3%
1.3% 0.9%
1.3% 1.1% 1.0% 1.0%
1.1%
Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
965 MW
Capacity operational
(end of month)
CSP
Wind
Solar PV
0 MW
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86
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
2.2%
2
0.8%
1.3%
2.1%
3 1
0.9% 1.2%
1.3%
2.5%
4
1.2%
1.7%
2.8%
5
1.1%
1.9%
0.8%
1.1%
29 30 31
Relative daily contribution
0.9%
25
1.9%
2.7%
0.2%
1.5%
0.2%
0.7%
1.2%
26
0.9%
28
2.8%
0.3%
1.3%
2.6%
1.2%
27
0.3%
1.1%
10 9
0.3%
0.5%
1.1%
11
1.9% 1.8%
0.3% 0.3%
0.9%
1.0%
2.6%
0.3%
12
2.1%
1.2%
1.1%
0.6%
1.0%
3.7%
0.3%
1.3%
1.1%
7
2.2%
2.6%
0.3%
1.3%
6
1.2%
1.1%
8
2.9%
2.5%
0.3% 0.3%
1.5%
1.6%
0.2%
0.6%
0.8%
24
1.4%
0.1%
0.6%
0.7%
23
1.9%
0.1%
0.8%
0.9%
22
2.3%
0.2%
1.1%
1.1%
21
2.8%
0.3%
1.3%
1.2%
20
1.3%
0.3%
1.8%
1.1%
19
1.9%
0.3%
0.8%
0.8%
18
2.0%
0.2%
1.0%
0.8%
17
2.6%
1.7%
3.2%
16
2.7%
0.3%
1.5%
1.0%
15
2.8%
0.3%
1.5%
1.0%
14
3.1%
0.3%
1.6%
1.3%
13
0.8%
Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
965 MW
Capacity operational
(end of month)
CSP
Solar PV
Wind
Daily solar PV, wind & CSP contribution of 1.4-3.7% in Feb 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for February 2016
• Maximum daily relative solar PV contribution of 1.3% on 14 Feb 2016 (Sunday)
• Maximum daily relative wind contribution of 2.2% on 7 Feb 2016 (Sunday)
• Maximum daily relative CSP contribution of 0.3% on 28 Feb 2016 (Sunday)
200 MW
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87
Daily solar PV, wind & CSP contribution of 1.5-4.3% in Mar 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for March 2016
• Maximum daily relative solar PV contribution of 1.3% on 28 Mar 2016 (Monday)
• Maximum daily relative wind contribution of 2.8% on 27 Mar 2016 (Sunday)
• Maximum daily relative CSP contribution of 0.4% on 13 Mar 2016 (Sunday)
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
0.7%
0.5%
15
2.5%
1.3%
0.9%
14
2.5%
1.2%
1.0%
13
3.5%
2.2%
0.9%
12
3.0%
1.8%
0.8%
11
3.3%
1.9%
0.3% 0.3% 0.3% 0.3% 0.2% 0.3% 0.2% 0.3% 0.3% 0.3% 0.4% 0.3% 0.1% 0.2% 0.2% 0.4% 0.4% 0.3%
Relative daily contribution
0.3%
31
1.6%
0.5%
0.9%
30
2.4%
1.2%
1.0%
29
3.5%
2.1%
1.1%
28
3.3%
1.7%
1.3%
27
4.3%
2.8%
1.2%
26
3.5%
2.4%
0.9%
25
2.2%
1.6%
0.5%
24
2.8%
1.5%
1.0%
23
2.7%
1.3%
1.1%
22
2.7%
1.3%
1.1%
21
2.8%
1.2%
1.2%
20
3.3%
1.7%
1.3%
19
2.7%
1.2%
1.2%
18
2.3%
1.0%
1.1%
17
2.2%
1.0%
0.9%
16
1.5%
1.0%
10
2.7%
1.4%
1.0%
9
2.2%
1.0%
0.9%
8
2.4%
1.1%
0.9%
7
2.2%
1.5%
0.5%
6
2.4%
1.1%
1.1%
5
2.1%
1.0%
0.9%
4
2.3%
1.1%
0.9%
3
2.1%
0.9%
1.0%
2
2.2%
0.7%
1.1%
1
2.6%
1.3%
1.0%
0.3% 0.4% 0.3% 0.3% 0.3% 0.1%
0.3% 0.3% 0.4% 0.3% 0.2% 0.2%
Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
965 MW
Capacity operational
(end of month)
CSP
Wind
Solar PV
200 MW
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88
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
15
2.4%
1.1%
1.1%
14
2.2%
0.8%
1.1%
13
2.1%
0.8%
1.1%
12
2.4%
1.2%
1.0%
11
2.7%
1.4%
1.1%
10
2.1%
0.8%
1.1%
9
2.0%
0.9%
0.9%
8
2.0%
1.4%
0.5%
7
2.5%
2.1%
0.3%
6
3.7%
2.4%
1.0%
5
3.1%
2.1%
0.8%
4
2.2%
1.7%
0.5%
3
2.8%
1.3%
1.3%
2
2.8%
1.4%
1.2%
1
2.5%
1.3%
1.0%
0.2% 0.2% 0.3% 0.3% 0.1% 0.1% 0.2% 0.3% 0.3% 0.3% 0.3% 0.3% 0.2% 0.3% 0.2% 0.2% 0.1% 0.2% 0.1% 0.1%
0.3% 0.3% 0.3% 0.4% 0.3% 0.3% 0.2%
2.1%
0.7%
1.1%
25
2.4%
1.2%
1.0%
24
2.5%
1.0%
1.2%
23
2.3%
1.1%
1.1%
22
3.4%
2.6%
0.7%
21
3.1%
2.2%
0.7%
20
1.8%
1.2%
0.6%
19
1.5%
0.8%
0.7%
18
1.9%
0.7%
1.0%
17
2.2%
1.1%
0.9%
16
2.3%
1.1%
0.9%
Relative daily contribution
0.3%
31 30
2.6%
1.3%
1.1%
29
3.9%
2.6%
1.0%
28
2.6%
1.3%
1.1%
27
2.8%
1.4%
1.1%
26
Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
1040 MW
Capacity operational
(end of month)
CSP
Wind
Solar PV
Daily solar PV, wind & CSP contribution of 1.5-3.9% in Apr 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for April 2016
• Maximum daily relative solar PV contribution of 1.3% on 3 Apr 2016 (Sunday)
• Maximum daily relative wind contribution of 2.6% on 29 Apr 2016 (Friday)
• Maximum daily relative CSP contribution of 0.3% on 27 Apr 2016 (Wednesday)
200 MW
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89
Daily solar PV, wind & CSP contribution of 1.1-3.4% in May 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for May 2016
• Maximum daily relative solar PV contribution of 1.1% on 2 May 2016 (Monday)
• Maximum daily relative wind contribution of 2.4% on 7 May 2016 (Saturday)
• Maximum daily relative CSP contribution of 0.3% on 2 May (Monday)
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
0.9%
0.8%
0.3%
Relative daily contribution
31
2.7%
1.8%
0.8%
30
2.1%
1.1%
0.8%
29
2.3%
1.1%
0.9%
28
1.6%
0.5%
0.9%
27
1.5%
0.4%
0.8%
26
1.6%
0.6%
0.8%
25
1.8%
2.3%
1.4%
0.8%
23
2.9%
2.0%
0.6%
22
1.8%
1.0%
0.8%
21
2.4%
1.4%
0.8%
20
2.3%
1.2%
0.8%
19
2.6%
1.5%
0.8%
18
3.4%
2.3%
0.8%
17
2.2%
1.2%
0.8%
16
1.6%
0.5%
0.9%
15
1.5%
0.4%
0.9%
14
1.1%
0.3%
0.6%
13
1.1%
0.8%
0.3%
12
1.7%
1.1%
0.5%
11
1.6%
0.4%
1.0%
10
1.8%
0.8%
0.7%
9
1.7%
1.1%
0.4%
8
2.3%
1.6%
0.5%
7
2.9%
2.4%
0.4%
6
2.5%
1.5%
0.9%
5
2.4%
1.1%
1.0%
4
2.3%
1.0%
1.1%
3
2.9%
24
1.5%
1.0%
2
2.7%
1.2%
1.1%
1
2.4%
0.9%
1.1%
0.4% 0.3% 0.3% 0.3% 0.1% 0.1% 0.1% 0.1% 0.2% 0.2% 0.2% 0.2% 0.3% 0.2% 0.3% 0.3% 0.2% 0.2% 0.1% 0.2% 0.1% 0.2% 0.3% 0.2% 0.2% 0.3% 0.2% 0.2%
Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1120 MW
1040 MW
Capacity operational
(end of month)
CSP
Wind
Solar PV
200 MW
![Page 90: Statistics of utility-scale solar PV, wind and CSP in - … of... · Procurement Programme (REIPPPP) started in 2011 Integrated ... 0.69 0.62 0.87 1.19 1.52 2.02 2 ... SP energy only](https://reader030.vdocument.in/reader030/viewer/2022020413/5b8a70947f8b9a9b7c8c66d5/html5/thumbnails/90.jpg)
90
Daily solar PV, wind & CSP contribution of 1.5-3.6% in Jun 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for June 2016
• Maximum daily relative solar PV contribution of 0.9% on 19 Jun 2016 (Sunday)
• Maximum daily relative wind contribution of 2.7% on 15 Jun 2016 (Wednesday)
• Maximum daily relative CSP contribution of 0.2% on 19 Jun 2016 (Sunday)
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
22
0.8%
0.2%
0.8%
21
1.8%
0.8%
0.9%
20
2.5%
1.7%
0.8%
19
3.6%
2.4%
0.9%
18
2.9%
1.8%
0.9%
17
1.8%
0.8%
0.9%
16
1.9%
1.0%
0.8%
15
3.4%
2.7%
0.6%
14
2.6%
2.1%
0.4%
13
2.5%
2.0%
0.3%
12
1.8%
1.4%
0.3%
11
3.2%
Relative daily contribution
31 30
2.9%
1.9%
0.8%
29
2.1%
1.0%
0.9%
28
2.1%
1.0%
0.9%
27
3.5%
2.5%
0.8%
26
3.3%
2.3%
0.8%
25
2.3%
1.2%
0.9%
24
2.4%
1.4%
0.8%
23
2.5%
1.5%
0.8% 1.8%
2.3%
0.8%
10
3.3%
2.7%
0.5%
9
2.9%
2.1%
0.8%
8
2.2%
1.4%
0.7%
7
1.5%
0.7%
0.7%
6
1.9%
1.0%
0.8%
5
1.8%
1.0%
0.8%
4
2.8%
1.7%
0.8%
3
2.8%
1.8%
0.8%
2
1.5%
0.7%
0.7%
1
2.6%
1.6%
0.9%
0.1% 0.2% 0.2% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.2% 0.1% 0.1% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.1%
Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1120 MW
1040 MW
Capacity operational
(end of month)
CSP
Wind
Solar PV
200 MW
![Page 91: Statistics of utility-scale solar PV, wind and CSP in - … of... · Procurement Programme (REIPPPP) started in 2011 Integrated ... 0.69 0.62 0.87 1.19 1.52 2.02 2 ... SP energy only](https://reader030.vdocument.in/reader030/viewer/2022020413/5b8a70947f8b9a9b7c8c66d5/html5/thumbnails/91.jpg)
91
Daily solar PV, wind & CSP contribution of 1.5-3.6% in Jul 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for July 2016
• Maximum daily relative solar PV contribution of 1.1% on 23 Jul 2016 (Saturday)
• Maximum daily relative wind contribution of 2.8% on 1 Jul 2016 (Friday)
• Maximum daily relative CSP contribution of 0.3% on 23 Jul 2016 (Saturday)
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
2.3%
1.5%
0.8%
2.7%
0.2%
30
Relative daily contribution
31
2.5%
1.5%
0.8%
18
1.8%
1.0%
0.7%
17
2.2%
1.2%
0.8%
16
2.5%
1.5%
0.9%
15
2.7%
1.9%
0.7%
14
2.4%
1.4%
0.8%
13
2.2%
1.2%
0.8%
12
2.5%
1.5%
0.8%
11
2.3%
1.3%
0.8%
10
2.4%
1.2%
1.0%
9
2.1%
1.0% 1.6%
1.0%
29
3.0%
2.0%
0.8%
28
3.1%
2.6%
0.5%
27
1.8%
1.2%
0.6%
26
1.7%
0.8%
0.7%
25
2.8%
2.1%
0.6%
24
2.5%
1.3%
1.0%
23
2.7%
1.4%
1.1%
22
2.3%
1.2%
0.9%
21
2.5%
1.4%
0.9%
20
3.3%
2.3%
0.8%
19
0.9%
8
2.4%
1.3%
0.9%
7
1.7%
0.7%
0.9%
6
2.7%
1.8%
0.8%
5
3.5%
2.7%
0.6%
4
2.8%
2.0%
0.7%
3
2.5%
1.4%
0.9%
2
2.5%
1.3%
1.0%
1
3.7%
2.8%
0.8%
0.2% 0.2% 0.1% 0.1% 0.1% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.1% 0.2% 0.1% 0.2% 0.2% 0.2% 0.1% 0.3% 0.2% 0.2% 0.2% 0.1% 0.1%
Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1280 MW
1115 MW
Capacity operational
(end of month)
CSP
Wind
Solar PV
200 MW
![Page 92: Statistics of utility-scale solar PV, wind and CSP in - … of... · Procurement Programme (REIPPPP) started in 2011 Integrated ... 0.69 0.62 0.87 1.19 1.52 2.02 2 ... SP energy only](https://reader030.vdocument.in/reader030/viewer/2022020413/5b8a70947f8b9a9b7c8c66d5/html5/thumbnails/92.jpg)
92
Daily solar PV, wind & CSP contribution of 1.6-4.7% in Aug 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for August 2016
• Maximum daily relative solar PV contribution of 1.4% on 28 Aug 2016 (Sunday)
• Maximum daily relative wind contribution of 3.1% on 31 Aug 2016 (Wednesday)
• Maximum daily relative CSP contribution of 0.4% on 27 Aug 2016 (Saturday)
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
3.6%
1.4%
28
2.0%
3.6%
Relative daily contribution
0.2% 0.2%
31
4.7%
3.1%
1.3%
30
3.0%
1.3%
1.3%
29
1.8%
1.4%
27
3.3%
1.5%
1.4%
26
3.2%
1.6%
1.3%
25
3.5%
1.9%
1.2%
24
3.0%
1.5%
1.2%
23
2.6%
1.1%
1.2%
22
4.0%
2.4%
1.2%
21
4.2%
2.5%
1.3%
20
2.5%
1.1%
1.2%
19
3.1%
1.8%
1.1%
18
2.2%
1.5%
0.5%
17
2.2%
1.6%
0.5%
16
2.2%
1.3%
0.8%
15
2.4%
1.0%
1.1%
14
4.3%
2.8%
1.3%
13
2.7%
1.6%
0.8%
12
3.1%
1.9%
1.1%
11
3.0%
1.6%
1.1%
10
2.5%
1.1%
1.1%
9
2.7%
1.3%
1.2%
8
2.7%
1.3%
1.2%
7
2.5%
1.3%
1.2%
6
2.7%
1.3%
1.2%
5
3.0%
1.6%
1.1%
4
2.4%
1.1%
1.1%
3
4.1%
3.0%
0.9%
2
3.6%
2.4%
1.0%
1
1.6%
0.5%
0.9%
0.2% 0.2% 0.2% 0.3% 0.1% 0.2% 0.3% 0.2% 0.3% 0.2% 0.3% 0.3% 0.3%
0.1% 0.2% 0.2% 0.3% 0.3% 0.3% 0.3% 0.3% 0.3% 0.4% 0.4% 0.3% 0.3% 0.3% 0.3%
Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1373 MW
1250 MW
Capacity operational
(end of month)
CSP
Wind
Solar PV
200 MW
![Page 93: Statistics of utility-scale solar PV, wind and CSP in - … of... · Procurement Programme (REIPPPP) started in 2011 Integrated ... 0.69 0.62 0.87 1.19 1.52 2.02 2 ... SP energy only](https://reader030.vdocument.in/reader030/viewer/2022020413/5b8a70947f8b9a9b7c8c66d5/html5/thumbnails/93.jpg)
93
Daily solar PV, wind & CSP contribution of 1.5-4.4% in Sep 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for September 2016
• Maximum daily relative solar PV contribution of 1.6% on 25 Sep 2016 (Sunday)
• Maximum daily relative wind contribution of 3.3% on 26 Sep 2016 (Monday)
• Maximum daily relative CSP contribution of 0.4% on 15 Sep 2016 (Thursday)
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
4
Relative daily contribution
31 30
3.2%
1.6%
1.4%
29
4.1%
2.2%
1.6%
28
3.9%
2.0%
1.5%
27
3.8%
2.3%
1.2%
26
4.4%
3.3%
1.0%
25
3.6%
1.7%
1.6%
24
3.6%
1.7%
1.5%
23
3.1%
1.4%
1.4%
22
3.9%
2.1%
1.4%
21
2.9%
1.1%
1.4%
20
4.2%
2.5%
1.3%
19
2.8%
1.2%
1.3%
18
3.5%
1.7%
1.4%
17
3.8%
2.4%
1.1%
16
4.3%
2.8%
1.3%
15
2.9%
1.2%
1.3%
14
2.8%
1.2%
1.2%
13
3.5%
1.7%
1.4%
12
3.6%
2.2%
1.1%
11
2.3%
1.5%
0.6%
10
4.0%
2.4%
1.3%
9
3.5%
2.0%
1.3%
8
3.5%
2.2%
1.0%
7
2.4%
0.8%
1.3%
6
1.5%
0.8%
0.6%
5
4.3%
3.0%
1.2%
0.3%
3.5%
1.7%
1.5%
3
3.9%
2.1%
1.4%
2
3.0%
1.4%
1.3%
1
2.9%
1.4%
1.2%
0.3% 0.4% 0.3% 0.1% 0.2% 0.3% 0.3% 0.2% 0.2% 0.2% 0.3% 0.4% 0.4% 0.4% 0.3% 0.2% 0.4% 0.4% 0.3% 0.4% 0.4% 0.4% 0.4% 0.4% 0.2% 0.2% 0.4% 0.4% 0.2%
Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1440 MW
1324 MW
Capacity operational
(end of month)
CSP
Wind
Solar PV
200 MW
![Page 94: Statistics of utility-scale solar PV, wind and CSP in - … of... · Procurement Programme (REIPPPP) started in 2011 Integrated ... 0.69 0.62 0.87 1.19 1.52 2.02 2 ... SP energy only](https://reader030.vdocument.in/reader030/viewer/2022020413/5b8a70947f8b9a9b7c8c66d5/html5/thumbnails/94.jpg)
94
Daily solar PV, wind & CSP contribution of 1.8-5.0% in Oct 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for October 2016
• Maximum daily relative solar PV contribution of 1.8% on 2 Oct 2016 (Sunday)
• Maximum daily relative wind contribution of 3.1% on 11 Oct 2016 (Tuesday)
• Maximum daily relative CSP contribution of 0.4% on 1 Oct 2016 (Saturday)
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
0.4%
5.0%
Relative daily contribution
31
3.8%
1.9%
1.5%
30
3.5%
1.5%
1.7%
29
4.0%
2.3%
1.4%
28
3.6%
1.7%
1.5%
27
4.1%
2.1%
1.6%
26
3.2%
1.3%
1.5%
25
2.8%
1.0%
1.6%
24
2.8%
0.8%
1.6%
23
3.5%
1.4%
1.8%
22
3.7%
2.0%
1.5%
21
3.7%
2.1%
1.4%
20
2.7%
1.3%
1.2%
19
2.9%
1.5%
1.3%
18
1.8%
1.2%
0.6%
17
3.4%
1.6%
1.6%
16
3.3%
2.1%
1.1%
15
3.4%
1.9%
1.4%
14
3.2%
1.5%
1.5%
13
3.3%
1.5%
1.6%
12
3.7%
2.0%
1.5%
11
5.0%
3.1%
1.5%
10
3.8%
2.0%
1.5%
9
3.8%
1.8%
1.7%
8
3.3%
2.2%
1.0%
7
3.7%
2.0%
1.5%
6
4.3%
2.5%
1.5%
5
3.1%
1.3%
1.5%
4
4.1%
2.1%
1.6%
3
3.0%
1.6%
2
4.8%
2.6%
1.8%
1
4.3%
2.2%
1.7%
0.4% 0.4% 0.4% 0.3% 0.3% 0.2% 0.1% 0.3% 0.3% 0.3% 0.2% 0.2% 0.2% 0.1% 0.2% 0.2% 0.1% 0.2% 0.2% 0.3% 0.2% 0.3% 0.3% 0.3% 0.4% 0.4% 0.4% 0.3% 0.4% 0.4%
Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1460 MW
1324 MW
Capacity operational
(end of month)
CSP
Wind
Solar PV
200 MW
![Page 95: Statistics of utility-scale solar PV, wind and CSP in - … of... · Procurement Programme (REIPPPP) started in 2011 Integrated ... 0.69 0.62 0.87 1.19 1.52 2.02 2 ... SP energy only](https://reader030.vdocument.in/reader030/viewer/2022020413/5b8a70947f8b9a9b7c8c66d5/html5/thumbnails/95.jpg)
95
Daily solar PV, wind & CSP contribution of 2.5-5.6% in Nov 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for November 2016
• Maximum daily relative solar PV contribution of 1.8% on 13 Nov 2016 (Sunday)
• Maximum daily relative wind contribution of 3.5% on 13 Nov 2016 (Sunday)
• Maximum daily relative CSP contribution of 0.4% on 27 Nov 2016 (Sunday)
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
0.3%
2.2%
1.5%
Relative daily contribution
31 30
3.6%
1.7%
1.6%
29
3.5%
1.6%
1.6%
28
4.6%
2.6%
1.7%
27
3.1%
1.0%
1.7%
26
3.9%
1.8%
1.7%
25
3.5%
1.6%
1.6%
24
4.1%
2.3%
1.5%
23
3.1%
1.7%
1.3%
22
2.5%
1.4%
1.1%
21
2.9%
1.5%
1.3%
20
3.8%
2.0%
1.6%
19
3.7%
1.6%
1.7%
18
4.0%
2.1%
1.6%
17
4.1%
2.2%
1.6%
16
3.8%
2.2%
1.3%
15
3.8%
2.1%
1.5%
14
3.7%
1.9%
1.7%
13
5.6%
3.5%
1.8%
12
4.9%
2.9%
1.7%
11
4.6%
3.0%
1.3%
10
4.1%
2.4%
1.4%
9
3.4%
1.8%
1.4%
8
3.2%
1.7%
1.3%
7
3.3%
1.3%
1.6%
6
3.8%
1.8%
1.7%
5
3.0%
1.8%
1.1%
4
2.8%
1.6%
1.1%
3
3.6%
2.4%
1.1%
2
3.5%
1.8%
1.5%
1
4.0%
0.3% 0.1% 0.2% 0.3% 0.4%
0.1% 0.3% 0.3% 0.3% 0.3% 0.3% 0.2% 0.3% 0.3% 0.3% 0.2% 0.3% 0.2% 0.1% 0.1% 0.2% 0.3% 0.3% 0.4% 0.3% 0.3% 0.3%
Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1460 MW
1324 MW
Capacity operational
(end of month)
CSP
Wind
Solar PV
200 MW
![Page 96: Statistics of utility-scale solar PV, wind and CSP in - … of... · Procurement Programme (REIPPPP) started in 2011 Integrated ... 0.69 0.62 0.87 1.19 1.52 2.02 2 ... SP energy only](https://reader030.vdocument.in/reader030/viewer/2022020413/5b8a70947f8b9a9b7c8c66d5/html5/thumbnails/96.jpg)
96
Daily solar PV, wind & CSP contribution of 3.1-5.8% in Dec 2016 Actual daily relative solar PV/wind/CSP contribution as % of total supply in RSA for December 2016
• Maximum daily relative solar PV contribution of 2.0% on 31 Dec 2016 (Saturday)
• Maximum daily relative wind contribution of 3.6% on 24 Dec 2016 (Saturday)
• Maximum daily relative CSP contribution of 0.3% on 9 Dec 2016 (Friday)
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
5.5%
6.0%
0.2% 0.3% 0.3%
Relative daily contribution
0.3%
31 30
3.4%
1.5%
1.6%
29
4.5%
2.3%
1.9%
28
3.7%
1.7%
1.9%
27
3.9%
2.1%
1.7%
26
3.9%
2.1%
1.6%
25
5.3%
3.1%
1.9%
24
5.8%
3.6%
1.9%
23
5.2%
3.1%
1.8%
22
4.2%
2.0%
1.9%
21
3.3%
1.2%
1.9%
20
3.8%
1.8%
1.8%
19
4.1%
2.1%
1.8%
18
3.5%
1.4%
1.9%
17
3.7%
1.5%
2.0%
16
3.8%
1.7%
1.9%
15
4.8%
3.0%
1.6%
14
3.6%
1.8%
1.5%
13
4.1%
2.3%
1.5%
12
3.9%
2.2%
1.6%
11
4.8%
2.6%
1.9%
10
4.0%
1.9%
1.8%
9
3.9%
1.9%
1.7%
8
3.2%
1.6%
1.4%
7
3.1%
1.5%
1.5%
6
4.1%
2.4%
1.5%
5
3.8%
2.0%
1.5%
4
4.4%
2.5%
1.7%
3
3.6%
1.5%
1.8%
2
3.3%
1.3%
1.7%
1
4.0%
1.9%
1.8%
0.2% 0.3% 0.2% 0.3% 0.2% 0.3% 0.3% 0.3% 0.3% 0.3% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.3% 0.3% 0.3% 0.2% 0.3% 0.2% 0.1% 0.2% 0.3% 0.2%
4.1%
2.0%
2.0% Supply Sources
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1460 MW
1474 MW
Capacity operational
(end of month)
CSP
Wind
Solar PV
200 MW
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97
Agenda
Overview actual electricity production data for 2016
Monthly electricity production
Weekly electricity production
Daily electricity production
Hourly electricity production and gradients
Actual load shedding in 2016
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98
0
5
10
15
20
25
30
35
GW
CSP
Solar PV
Wind
Residual Load
Supply Sources
• Maximum power of 31 GW between 19h00 and 20h00 on 21 Jan 2016
• Minimum power of 20 GWh between 03h00 and 04h00 on 2 Jan 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly electricity production in Jan 2016 Actual hourly production from all power supply sources in RSA for January 2016
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
965 MW
Capacity operational
(end of month)
0 MW
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99
35
30
25
20
15
10
5
0
GW
Residual Load
Wind
Solar PV
CSP
• Maximum power of 32 GW between 19h00 and 20h00 on 23 Feb 2016
• Minimum power of 22 GWh between 03h00 and 04h00 on 28 Feb 2016
Hourly electricity production in Feb 2016 Actual hourly production from all power supply sources in RSA for February 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
965 MW
Capacity operational
(end of month)
200 MW
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100
35
30
25
20
15
10
5
0
GW
Residual Load
Wind
Solar PV
CSP
• Maximum power of 32 GW between 18h00 and 19h00 on 17 Mar 2016
• Minimum power of 20 GWh between 03h00 and 04h00 on 28 Mar 2016
Hourly electricity production in Mar 2016 Actual hourly production from all power supply sources in RSA for March 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
965 MW
Capacity operational
(end of month)
200 MW
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101
35
30
25
20
15
10
5
0
GW
Residual Load
Wind
Solar PV
CSP
• Maximum power of 33 GW between 18h00 and 19h00 on 19 Apr 2016
• Minimum power of 21 GWh between 02h00 and 03h00 on 10 Apr 2016
Hourly electricity production in Apr 2016 Actual hourly production from all power supply sources in RSA for April 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
1040 MW
Capacity operational
(end of month)
200 MW
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102
35
30
25
20
15
10
5
0
GW
Residual Load
Wind
Solar PV
CSP
• Maximum power of 34 GW between 18h00 and 19h00 on 31 May 2016
• Minimum power of 20 GWh between 02h00 and 03h00 on 2 May 2016
Hourly electricity production in May 2016 Actual hourly production from all power supply sources in RSA for May 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1120 MW
1040 MW
Capacity operational
(end of month)
200 MW
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103
35
30
25
20
15
10
5
0
GW
Residual Load
Wind
Solar PV
CSP
• Maximum power of 34 GW between 18h00 and 19h00 on 13 Jun 2016
• Minimum power of 21 GWh between 02h00 and 03h00 on 19 Jun 2016
Hourly electricity production in Jun 2016 Actual hourly production from all power supply sources in RSA for June 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1120 MW
1040 MW
Capacity operational
(end of month)
200 MW
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104
35
30
25
20
15
10
5
0
GW
Residual Load
Wind
Solar PV
CSP
• Maximum power of 35 GW between 18h00 and 19h00 on 27 Jul 2016
• Minimum power of 21 GWh between 02h00 and 03h00 on 24 Jul 2016
Hourly electricity production in Jul 2016 Actual hourly production from all power supply sources in RSA for July 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1280 MW
1115 MW
Capacity operational
(end of month)
200 MW
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105
35
30
25
20
15
10
5
0
GW
Residual Load
Wind
Solar PV
CSP
• Maximum power of 35 GW between 18h00 and 19h00 on 1 Aug 2016
• Minimum power of 21 GWh between 01h00 and 02h00 on 29 Aug 2016
Hourly electricity production in Aug 2016 Actual hourly production from all power supply sources in RSA for August 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1373 MW
1250 MW
Capacity operational
(end of month)
200 MW
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106
35
30
25
20
15
10
5
0
GW
Wind
Residual Load
Solar PV
CSP
• Maximum power of 33 GW between 18h00 and 19h00 on 19 Sep 2016
• Minimum power of 21 GWh between 02h00 and 03h00 on 4 Sep 2016
Hourly electricity production in Sep 2016 Actual hourly production from all power supply sources in RSA for September 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1440 MW
1324 MW
Capacity operational
(end of month)
200 MW
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107
35
30
25
20
15
10
5
0
GW
Wind
Residual Load
Solar PV
CSP
• Maximum power of 32 GW between 18h00 and 19h00 on 18 Oct 2016
• Minimum power of 21 GWh between 02h00 and 03h00 on 3 Oct 2016
Hourly electricity production in Oct 2016 Actual hourly production from all power supply sources in RSA for October 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1460 MW
1324 MW
Capacity operational
(end of month)
200 MW
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108
35
30
25
20
15
10
5
0
GW
Wind
Residual Load
Solar PV
CSP
• Maximum power of 32 GW between 19h00 and 20h00 on 8 Nov 2016
• Minimum power of 22 GWh between 02h00 and 03h00 on 21 Nov 2016
Hourly electricity production in Nov 2016 Actual hourly production from all power supply sources in RSA for November 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1460 MW
1324 MW
Capacity operational
(end of month)
200 MW
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109
35
30
25
20
15
10
5
0
GW
Wind
Residual Load
Solar PV
CSP
• Maximum power of 32 GW between 19h00 and 20h00 on 5 Dec 2016
• Minimum power of 19 GWh between 02h00 and 03h00 on 26 Dec 2016
Hourly electricity production in Dec 2016 Actual hourly production from all power supply sources in RSA for December 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1460 MW
1474 MW
Capacity operational
(end of month)
200 MW
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110
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Solar PV
Wind
CSP
Supply Sources
• Maximum solar PV relative contribution of 3.3% between 13h00 and 14h00 on 2 Jan 2016
• Maximum wind relative contribution of 3.2% between 18h00 and 19h00 on 10 Jan 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.3-5.0% in Jan 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for January 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
965 MW
Capacity operational
(end of month)
200 MW
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111
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Solar PV
Wind
CSP
Supply Sources
• Maximum solar PV relative contribution of 3.2% between 13h00 and 14h00 on 14 Feb 2016
• Maximum wind relative contribution of 2.8% between 04h00 and 05h00 on 7 Feb 2016
• Maximum CSP relative contribution of 0.7% between 15h00 and 16h00 on 28 Feb 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.1-6.0% in Feb 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for February 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
965 MW
Capacity operational
(end of month)
200 MW
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112
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Wind
CSP
Solar PV
Supply Sources
• Maximum solar PV relative contribution of 3.4% between 12h00 and 13h00 on 28 Mar 2016
• Maximum wind relative contribution of 3.5% between 04h00 and 05h00 on 27 Mar 2016
• Maximum CSP relative contribution of 0.8% between 15h00 and 16h00 on 13 Mar 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.2-7.3% in Mar 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for March 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
965 MW
Capacity operational
(end of month)
200 MW
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113
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Wind
Solar PV
CSP
Supply Sources
• Maximum solar PV relative contribution of 3.4% between 12h00 and 13h00 on 3 Apr 2016
• Maximum wind relative contribution of 3.2% between 12h00 and 13h00 on 22 Apr 2016
• Maximum CSP relative contribution of 0.7% between 14h00 and 15h00 on 24 Apr 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.2-6.2% in Apr 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for April 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1070 MW
1040 MW
Capacity operational
(end of month)
200 MW
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114
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Wind
CSP
Solar PV
Supply Sources
• Maximum solar PV relative contribution of 3.4% between 12h00 and 13h00 on 2 May 2016
• Maximum wind relative contribution of 3.2% between 22h00 and 23h00 on 23 May 2016
• Maximum CSP relative contribution of 0.7% between 14h00 and 15h00 on 29 May 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.1-6.1% in May 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for May 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1120 MW
1040 MW
Capacity operational
(end of month)
200 MW
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115
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Wind
Solar PV
CSP
Supply Sources
• Maximum solar PV relative contribution of 3.0% between 13h00 and 14h00 on 25 Jun 2016
• Maximum wind relative contribution of 4.4% between 03h00 and 04h00 on 27 Jun 2016
• Maximum CSP relative contribution of 0.7% between 14h00 and 15h00 on 19 Jun 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.1-5.9% in Jun 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for June 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1120 MW
1040 MW
Capacity operational
(end of month)
200 MW
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116
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Wind
CSP
Solar PV
Supply Sources
• Maximum solar PV relative contribution of 3.2% between 12h00 and 13h00 on 23 Jul 2016
• Maximum wind relative contribution of 3.9% between 02h00 and 03h00 on 1 Jul 2016
• Maximum CSP relative contribution of 0.7% between 15h00 and 16h00 on 23 Jul 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.3-6.0% in Jul 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for July 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1280 MW
1115 MW
Capacity operational
(end of month)
200 MW
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117
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Solar PV
Wind
CSP
Supply Sources
• Maximum solar PV relative contribution of 4.0% between 12h00 and 13h00 on 27 Aug 2016
• Maximum wind relative contribution of 4.6% between 03h00 and 04h00 on 14 Aug 2016
• Maximum CSP relative contribution of 0.8% between 15h00 and 16h00 on 27 Aug 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.3-8.5% in Aug 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for August 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1373 MW
1250 MW
Capacity operational
(end of month)
200 MW
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118
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Wind
Solar PV
CSP
Supply Sources
• Maximum solar PV relative contribution of 4.3% between 12h00 and 13h00 on 29 Sep 2016
• Maximum wind relative contribution of 4.2% between 03h00 and 04h00 on 5 Sep 2016
• Maximum CSP relative contribution of 0.8% between 15h00 and 16h00 on 3 Sep 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.3-7.9% in Sep 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for September 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1440 MW
1324 MW
Capacity operational
(end of month)
200 MW
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119
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Solar PV
Wind
CSP
Supply Sources
• Maximum solar PV relative contribution of 4.7% between 13h00 and 14h00 on 2 Oct 2016
• Maximum wind relative contribution of 4.4% between 00h00 and 01h00 on 11 Oct 2016
• Maximum CSP relative contribution of 0.8% between 14h00 and 15h00 on 2 Oct 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.1-8.4% in Oct 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for October 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1460 MW
1324 MW
Capacity operational
(end of month)
200 MW
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120
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Wind
Solar PV
CSP
Supply Sources
• Maximum solar PV relative contribution of 4.4% between 12h00 and 13h00 on 13 Nov 2016
• Maximum wind relative contribution of 4.3% between 18h00 and 19h00 on 13 Nov 2016
• Maximum CSP relative contribution of 0.7% between 14h00 and 15h00 on 6 Nov 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.6-8.8% in Nov 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for November 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1460 MW
1324 MW
Capacity operational
(end of month)
200 MW
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121
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
6.0%
7.0%
8.0%
9.0%
10.0%
Relative hourly contribution
Wind
CSP
Solar PV
Supply Sources
• Maximum solar PV relative contribution of 5.0% between 11h00 and 12h00 on 31 Dec 2016
• Maximum wind relative contribution of 5.4% between 18h00 and 19h00 on 25 Dec 2016
• Maximum CSP relative contribution of 0.6% between 14h00 and 15h00 on 9 Dec 2016
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Hourly solar PV, wind & CSP contribution of 0.1-9.6% in Dec 2016 Actual hourly relative solar PV/wind/CSP contribution as a % of total supply in RSA for December 2016
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1460 MW
1474 MW
Capacity operational
(end of month)
200 MW
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122
The peak-hour contribution ratios of solar PV & wind were higher than a base-load plant in the morning & evening peaks respectively
Notes: Morning and evening peak hours classified as per Eskom‘s 2016 Time of Use Tariff‘s Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
20 10 0
10
15
0
5
20
25
30
35
2 4 6 8 12 14 16 18 22 24
System Load in GW
1.0
0.0
0.5
1.5
Power in GW
35
30
20 18 16 14 8 10 12 6 0 22 24
0
25
20
15
10
5
4 2
System Load in GW
1.5
1.0
0.5
0.0
Power in GW
0
35
30
25
20
15
10
5
24 22 20 18 14 12 10 8 6 4 2 0 16
System Load in GW
1.5
1.0
0.5
0.0
Power in GW
Illustrative days showing the overlap of wind, solar PV and a base-load plant with the morning and evening peak hours
Morning & evening peak-hour Contribution Ratios
Wind Solar PV Base-load Plant
Wind and solar PV morning and evening peak-hour contribution ratios (for all hours from Jan-Dec 2016) show that:
• Wind contributes 13% more energy during the evening peaks than it does during the other hours of the day
• Solar PV contributes 49% more energy in the morning peaks than it does during the other hours of the day
0.79 1.13 1.49 0.07 0.95 0.89
Peak-hour contribution ratio = relative energy contribution during peak / relative total energy contribution
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123
The peak-hour contribution ratio of CSP was higher than a base-load plant in the evening peak
Notes: Morning and evening peak hours classified as per Eskom‘s 2016 Time of Use Tariff‘s Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
35
30
20 18 16 14 8 10 12 6 0 22 24
0
25
20
15
10
5
4 2
System Load in GW
1.5
1.0
0.5
0.0
Power in GW
0
35
30
25
20
15
10
5
24 22 20 18 14 12 10 8 6 4 2 0 16
System Load in GW
1.5
1.0
0.5
0.0
Power in GW
Illustrative days showing the overlap of CSP and a base-load plant with the morning and evening peak hours
Morning & evening peak-hour Contribution Ratios
CSP Base-load Plant
CSP morning and evening peak-hour contribution ratios (for all hours from Jan-Dec 2016) show that:
• CSP contributes 8% more energy during the evening peaks than it does during the other hours of the day
0.64 1.08 0.95 0.89
Peak-hour contribution ratio = relative energy contribution during peak / relative total energy contribution
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124
Jan - Dec 2016 system and residual load duration curves
0 1000 2000 3000 4000 5000 6000 7000 8000 9000
30
20
10
0
15
5
25
35
40
Power in GW
Time in hours of the year (sorted)
Residual Load
System Load
Notes: Residual Load = System Load - wind - Solar PV - CSP Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
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125
0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400
30
10
20
0
15
5
25
35
40
Power in GW
Time in hours of the year (sorted)
Residual Load
System Load
Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1 512 690 hours per year
From Jan-Dec 2016, wind & solar PV reduced the number of hours with more than 30 000 MW total load from 1 512 to 690 (~820 hours less)
Wind, solar PV & CSP
reduced the peak
demand by ~220 MW
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126
35
30
25
20
15
9 8 7 6 5 4 3 2 1 0
10
5
0
40
Power in GW
‘000 hours per year (sorted)
The system load from Jan to Dec 2016 had a peak demand of 4.3 GW, mid-merit of 5.2 GW, and base-load demand of 25.2 GW
System Load
Peak-load (< 1 000 hrs/yr )
Mid-merit load (> 1 000 & < 6 000 hrs/yr)
Base-load (> 6 000 hrs/yr)
System
34.7
25.2
5.2 4.3
Load Duration Curve for Jan to Dec 2016 as per actual data
GW
Sources: CSIR Energy Centre analysis
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127
35
30
25
20
15
0
5
10
40
0 1 4 5 6 7 8 9 2 3
Power in GW
‘000 hours per year (sorted)
Residual Load System Load
Peak-load (< 1 000 hrs/yr )
Mid-merit load (> 1 000 & < 6 000 hrs/yr)
Base-load (> 6 000 hrs/yr)
24.5
Residual
34.5
5.1 5.0
System
34.7
25.2
5.2 4.3
Load Duration Curve for Jan to Dec 2016 as per actual data
GW
Wind/PV/CSP changed shape of residual load: new peak-demand goes up to 5.0 GW, mid-merit & base-load demand go down to 5.1/24.5 GW
6.9 TWh of electricity supplied by wind,
solar PV & CSP from Jan to Dec 2016
Sources: CSIR Energy Centre analysis
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128
Diurnal Courses Actual monthly average diurnal courses of the total power supply in RSA for the months from Jan-Dec 2016
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
34
GW
Residual Load
Wind
Solar PV
CSP
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Supply Sources
Note: Design as per Fraunhofer ISE. Pumping load excluded. Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1460 MW
1474 MW
Capacity operational (end of Dec)
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129
Diurnal Courses Actual monthly average diurnal courses of wind and solar PV in RSA for the months from Jan-Dec 2016
2.0
1.5
1.0
0.5
0.0
GW
Solar PV
Wind
CSP
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Note: Design as per Fraunhofer ISE Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
Supply Sources
1460 MW
1474 MW
Capacity operational (end of Dec)
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130
0.5
1.5
0.0
1.0
GW
Diurnal Courses Actual monthly average diurnal courses of wind and solar PV in RSA for the months from Jan-Dec 2016
1.5
1.0
0.5
0.0
GW
Wind
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Note: Design as per Fraunhofer ISE Sources: Eskom; DoE IPP Office; CSIR Energy Centre analysis
1.5
1.0
0.5
0.0
GW
Solar PV
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Supply Sources
1460 MW
1474 MW
Capacity operational (end of Dec)
CSP
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
200 MW
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131
1-hour gradients minimally affected by 3.1 GW of wind, solar PV & CSP
Notes: System and Residual load excludes pumping load for all data points throughout the year. 𝐿𝑜𝑎𝑑 𝑔𝑟𝑎𝑑𝑖𝑒𝑛𝑡𝑡 = 𝑙𝑜𝑎𝑑𝑡 – 𝑙𝑜𝑎𝑑 𝑡−1 Sources: Eskom; CSIR Energy Centre analysis
• Max gradient of 4 215 MW on 30 September 2016 between 05h00 and 06h00
• Min gradient of -3 487 MW on 28 July 2016 between 21h00 and 22h00
• Max gradient of 4 208 MW on 30 September 2016 between 05h00 and 06h00
• Min gradient of -3 453 MW on 24 July 2016 between 20h00 and 21h00
System Load 1-hour-gradients Jan - Dec 2016
Residual Load 1-hour-gradients Jan - Dec 2016
Residual load = System load - Solar PV - Wind - CSP
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132
1-hour gradients did not increase due to 3.1 GW of wind, solar PV & CSP
Notes: System and Residual load excludes pumping load for all data points throughout the year Sources: Eskom; CSIR Energy Centre analysis
System load 1-hour gradients vs. residual load 1-hour gradients for all hours from Jan – Dec 2016
Cumulative frequency distribution of 1-hour gradients for all hours from Jan – Dec 2016
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133
Jan - Dec 2016 1-hour gradients of solar PV supply
Sources: Eskom; CSIR Energy Centre analysis
Supply Sources
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134
Jan - Dec 2016 1-hour gradients of wind supply
Sources: Eskom; CSIR Energy Centre analysis
Supply Sources
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135
Jan - Dec 2016 1-hour gradients of CSP supply
Sources: Eskom; CSIR Energy Centre analysis
Supply Sources
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136
Jan - Dec 2016 wind, solar PV and CSP frequency distribution of 1-hour gradients
• Cumulative frequency distribution of 1-hour gradients for all hours from Jan – Dec 2016
Sources: Eskom; CSIR Energy Centre analysis
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137
Solar PV 1-hour gradients in January 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Solar PV hourly gradients in MW/hr
Time in hours of the day
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
965 MW
Capacity operational
(end of month)
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138
Solar PV 1-hour gradients in February 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Solar PV hourly gradients in MW/hr
Time in hours of the day
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
965 MW
Capacity operational
(end of month)
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139
Solar PV 1-hour gradients in March 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Solar PV hourly gradients in MW/hr
Time in hours of the day
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
965 MW
Capacity operational
(end of month)
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140
Solar PV 1-hour gradients in April 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Solar PV hourly gradients in MW/hr
Time in hours of the day
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1040 MW
Capacity operational
(end of month)
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141
Solar PV 1-hour gradients in May 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Solar PV hourly gradients in MW/hr
Time in hours of the day
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1040 MW
Capacity operational
(end of month)
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142
Solar PV 1-hour gradients in June 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Solar PV hourly gradients in MW/hr
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1040 MW
Capacity operational
(end of month)
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143
Solar PV 1-hour gradients in July 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Solar PV hourly gradients in MW/hr
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1115 MW
Capacity operational
(end of month)
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144
Solar PV 1-hour gradients in August 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Solar PV hourly gradients in MW/hr
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1250 MW
Capacity operational
(end of month)
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145
Solar PV 1-hour gradients in September 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Solar PV hourly gradients in MW/hr
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1324 MW
Capacity operational
(end of month)
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146
Solar PV 1-hour gradients in October 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Solar PV hourly gradients in MW/hr
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1324 MW
Capacity operational
(end of month)
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147
Solar PV 1-hour gradients in November 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Solar PV hourly gradients in MW/hr
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1324 MW
Capacity operational
(end of month)
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148
Solar PV 1-hour gradients in December 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Solar PV hourly gradients in MW/hr
Average hourly solar PV gradients in MW/hr
Solar PV hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1474 MW
Capacity operational
(end of month)
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149
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Wind hourly gradients in MW/hr
Time in hours of the day
Wind 1-hour gradients in January 2016
Average hourly wind gradients in MW/hr
Wind hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1070 MW
Capacity operational
(end of month)
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150
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Wind hourly gradients in MW/hr
Wind 1-hour gradients in February 2016
Average hourly wind gradients in MW/hr
Wind hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1070 MW
Capacity operational
(end of month)
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151
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Wind hourly gradients in MW/hr
Wind 1-hour gradients in March 2016
Average hourly wind gradients in MW/hr
Wind hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1070 MW
Capacity operational
(end of month)
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152
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Wind hourly gradients in MW/hr
Wind 1-hour gradients in April 2016
Wind hourly gradients in MW/hr
Average hourly wind gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1070 MW
Capacity operational
(end of month)
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153
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Wind hourly gradients in MW/hr
Time in hours of the day
Wind 1-hour gradients in May 2016
Average hourly wind gradients in MW/hr
Wind hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1120 MW
Capacity operational
(end of month)
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154
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Wind hourly gradients in MW/hr
Wind 1-hour gradients in June 2016
Average hourly wind gradients in MW/hr
Wind hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1120 MW
Capacity operational
(end of month)
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155
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Wind hourly gradients in MW/hr
Wind 1-hour gradients in July 2016
Average hourly wind gradients in MW/hr
Wind hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1280 MW
Capacity operational
(end of month)
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156
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Wind hourly gradients in MW/hr
Wind 1-hour gradients in August 2016
Average hourly wind gradients in MW/hr
Wind hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1373 MW
Capacity operational
(end of month)
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157
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Wind hourly gradients in MW/hr
Wind 1-hour gradients in September 2016
Average hourly wind gradients in MW/hr
Wind hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1440 MW
Capacity operational
(end of month)
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158
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Wind hourly gradients in MW/hr
Wind 1-hour gradients in October 2016
Average hourly wind gradients in MW/hr
Wind hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1460 MW
Capacity operational
(end of month)
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159
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Wind hourly gradients in MW/hr
Wind 1-hour gradients in November 2016
Average hourly wind gradients in MW/hr
Wind hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1460 MW
Capacity operational
(end of month)
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160
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
Wind hourly gradients in MW/hr
Wind 1-hour gradients in December 2016
Average hourly wind gradients in MW/hr
Wind hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
1460 MW
Capacity operational
(end of month)
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161
CSP 1-hour gradients in January 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
0 MW
Capacity operational
(end of month)
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162
CSP 1-hour gradients in February 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
200 MW
Capacity operational
(end of month)
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163
CSP 1-hour gradients in March 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
200 MW
Capacity operational
(end of month)
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164
CSP 1-hour gradients in April 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
200 MW
Capacity operational
(end of month)
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165
CSP 1-hour gradients in May 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
200 MW
Capacity operational
(end of month)
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166
CSP 1-hour gradients in June 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
200 MW
Capacity operational
(end of month)
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167
CSP 1-hour gradients in July 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
200 MW
Capacity operational
(end of month)
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168
CSP 1-hour gradients in August 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
200 MW
Capacity operational
(end of month)
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169
CSP 1-hour gradients in September 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
200 MW
Capacity operational
(end of month)
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170
CSP 1-hour gradients in October 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
200 MW
Capacity operational
(end of month)
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171
CSP 1-hour gradients in November 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
200 MW
Capacity operational
(end of month)
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172
CSP 1-hour gradients in December 2016
-500
-400
-300
-200
-100
0
100
200
300
400
500
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time in hours of the day
CSP hourly gradients in MW/hr
Sources: Eskom; CSIR Energy Centre analysis
Average hourly CSP gradients in MW/hr
CSP hourly gradients in MW/hr
200 MW
Capacity operational
(end of month)
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173
Agenda
Overview actual electricity production data for first half of 2016
Monthly electricity production
Weekly electricity production
Daily electricity production
Hourly electricity production and gradients
Actual load shedding in 2016
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174
There has been no load shedding in 2016
0 days, 0 hours of load shedding
0 GWh of unserved energy
Sources: Eskom Twitter account; CSIR Energy Centre analysis
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175
Data sources
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176
Data sources
Actual production data of wind, solar PV and of the conventional fleet
• Data source: Eskom
• Type of data: Hourly system supply data for the calendar year 2016 on aggregated level for all installed wind and solar PV
Total hourly system energy for the calendar year 2016, minus hydro pumping load
Total wind and solar PV capacity operational
• Data source: Department of Energy (DoE) IPP Office
• Type of data: Monthly total wind and solar PV IPPs operational
Actual load shedding data
• Data source: Tracking of Eskom Hld SOC Ltd Twitter page (https://twitter.com/eskom_sa) load shedding announcements
Backup
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177
Thank you! Re a leboga
Siyathokoza Enkosi
Siyabonga
Re a leboha
Ro livhuha
Ha Khensa
Dankie