1

Generation and Reservoirs Statistics

28th July 2015

PUBLIC UTILITIES COMMISSION OF SRI LANKA

2

28th July 2015

Note: Generation from other SPPs (Mini Hydro, Solar and Biomass) is not included

Cumulative Dispatch 01st July – 28th July

Category Dispatch (MWh)

CEB Hydro 257,700 26.72%

CEB Thermal Oil 139,222 14.43%

CEB Coal 337,570 35.00%

IPP Thermal 175,142 18.16%

SPP Wind 54,956 5.70%

Total 964,590

Note: Generation from Mini Hydro, Solar and Biomass power plants in May, June and July is not

included in annual cumulative renewable generation figure.

10590

2933

12210

10076

1481

Generation Mix in MWh

CEB Hydro

CEB Thermal Oil

CEB Coal

IPP Thermal

SPP Wind

Total Generation - 37,290MWh

From 01st January – 28th July

Category Dispatch (GWh)

CEB Hydro 2,620 36.54%

CEB Thermal Oil 493 6.87%

CEB Coal 3,005 41.91%

IPP Thermal 578 8.06%

Renewable 474 6.62%

Total 7,170

3

0

1000

2000

3000

4000

5000

6000

7000

Rated Capacity

Available

Dispatched

Dispatch on 28th July 2015

MWh

4

0

50

100

150

200

250

300

InstalledCapacity

AvailableCapacity

Night Peak Load

Night Peak Contribution on 28th July 2015

MW

5

Day Peak Demand – 1851.2MW

Minimum Recorded Demand – 1010.8MW

Note: Hydro Reservoir Storage Capacity as at 28th July 2015 –644.4GWh (51.2%)

921.4

140.5

512

480.7

76.8

Contribution to the Night Peak in MW

CEB Hydro

CEB Thermal Oil

CEB Coal

IPP Thermal

SPP Wind

Night Peak - 2131.4MW

47.7%

46.8% 79.8%

46.8%

53.6% 45.9%

0

30

60

90

120

150

180

210

240

Castlereigh Maussakelle Kotmale Victoria Randenigala Samanalawewa

Reservoir Storage Levels ( As at 06.00 hr on 29th July 2015) GWh

6

0

200

400

600

800

1000

1200

2012

2013

2014

2015

Comparison of Reservoir Storage Levels GWh

7

Note: Contribution from Mini Hydro, Solar and Biomass is not included

0

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

24001

-Jan

8-J

an

15

-Jan

22

-Jan

29

-Jan

5-F

eb

12

-Fe

b

19

-Fe

b

26

-Fe

b

5-M

ar

12

-Mar

19

-Mar

26

-Mar

2-A

pr

9-A

pr

16

-Ap

r

23

-Ap

r

30

-Ap

r

7-M

ay

14

-May

21

-May

28

-May

4-J

un

11

-Ju

n

18

-Ju

n

25

-Ju

n

2-J

ul

9-J

ul

16

-Ju

l

23

-Ju

l

Demand Variation 2015

Nigh Peak

Day Peak

MinimumDemand

MW

8

Note: Contribution from Wind, Mini Hydro, Solar and Biomass is not included

0

300

600

900

1200

1500

1800

2100

CEB Hydro

IPP Thermal

CEB Thermal Oil

CEB Coal

Load Curve for 27th July 2015

Time of Day

MW

9

0

1000

2000

3000

4000

5000

6000

7000

2014 2015

SPP Wind

IPP

CEB Coal

CEB Oil

CEB Hydro

Comparison of Cumulative Dispatch from 01st January - 28th July

GWh

Year

10

Note: Generation from SPP Mini Hydro, Solar and Biomass is not included

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

11000

12000

2014

2015

Comparison of Cumulative Dispatch GWh

11

List of Power Stations

Power Station Capacity (MW) Primary Fuel

CEB Hydro

Victoria 210

Ukuwela 40

Kotmale 201

Randenigala 122

Rantambe 49

Bowatenna 40

Nilambe 3.2

Upper Kotmale 150

Old Laxapana 50

New Laxapana 115

Polpitiya 75

Wimalasurendra 50

Canyon 60

Samanalawewa 120

Kukuleganga 75

Inginiyagala 10

Udawalawe 6

CEB Thermal

Sapugaskanda 1 72 Heavy Fuel

Sapugaskanda 2 72 Heavy Fuel

Kelanitissa Small Gas Turbines 85 Auto Diesel

GT 7 - Kelanitissa 115 Auto Diesel

Kelanitissa CCY 165 Naptha & Diesel

Lakvijaya (Puttalam Coal) 285 Coal

Lakvijaya (Puttalam Coal) Stage II 285 Coal

Lakvijaya (Puttalam Coal) Stage III 285 Coal

New Chunnakam 24 Heavy Fuel

Private Thermal (IPPs)

Asia Power 51 Heavy Fuel

AES Kelanitissa 163 Auto Diesel

West Coast 270 Low Sulphur Furnace oil

Northern Power 27 Auto Diesel