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Midnight Energy Pty Ltd
Solar PV and Battery Storage Systems Dr Ravinder Soin
EMANZ Conference
Auckland, May 17 2016
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1. Solar PV – Disruptive Technology (Past,
Present and Future)
2. Why Energy Storage Systems (ESS)?
3. ESS Battery Technologies
4. Case studies
5. Q & A
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Solar PV
1. Solar PV – Disruptive Technology (Past,
Present and Future)
2. Why Energy Storage Systems (ESS)?
3. ESS Battery Technologies
4. Case studies
5. Q & A
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Solar PV – Disruptive Technology
FRV Moore 56MWp Solar Farm, NSW, Australia
MW Scale PV Projects – increased penetration
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Q-Cells, 91 MW Germany
Distributed Power Systems – Residential and Commercial Roof Top Behind the meter
Solar PV – Disruptive Technology
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Solar PV – Disruptive Technology
Distributed Power Systems – Residential and Commercial Roof Top Behind the meter
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Solar PV – Disruptive Technology
Conventional business models are challenged
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Solar PV – Disruptive Technology
Past-Present-Future 1975-2015
Cost 1/164th, Capacity 32,496 fold 8
Solar PV – Disruptive Technology
Past-Present-Future Germany 2014-2050
Source: National Geographic Magazine Oct 15, 2015
27% 80%
Linking windy and Solar rich regions
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Solar PV – Disruptive Technology
Past-Present-Future Spain 2006-2015
Feb 2016 Generation Mix 54.6%
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Solar PV – Disruptive Technology
Past-Present-Future Australia Snapshot Q1-2016
Total installed 4.63 GW 1.5 million homes; National Avg 18% with PV, Max 40%
28%
30% 23%
Australian PV Institute (APVI) Solar Map, funded by the Australian Renewable Energy Agency, accessed from pv-map.apvi.org.au on 12 May 2016.
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Source: GTM Research
Solar PV – Disruptive Technology
Past-Present-Future Global 2002-2020
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Solar PV – Disruptive Technology
Past-Present-Future – New addition in 2015
Renewable Energy contribution: 53%; including hydro: 62%
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Why Energy Storage Systems (ESS)?
1. Solar PV – Disruptive Technology (Past,
Present and Future)
2. Why Energy Storage Systems (ESS)?
3. ESS Battery Technologies
4. Case studies
5. Q & A
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Consequences of Disruption - Germany
Why Energy Storage Systems (ESS)?
Load ~ 45 GW daytime – Wind >20GW, Solar ~10GW Conventional power ~10GW for 15 hours at “half must run” level
Source: www.energy-charts.de 15
Why Energy Storage Systems (ESS)?
Consequences of Disruption - California
Source: California ISO 16
Consequences of Disruption – California Camel to Duck
Why Energy Storage Systems (ESS)?
Challenge: Manage the Duck prior to 2020 Targets
Source: http://www.vox.com/2016/2/10/10960848/solar-energy-duck-curve 17
Consequences of Disruption – Australia: similar scenario likely
Why Energy Storage Systems (ESS)?
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Why Energy Storage Systems (ESS)?
Consequences of Disruption 1. Growth of Renewable energy, especially solar PV and wind,
is unstoppable (driven by pollution, climate change, power shortages and falling costs).
2. Conventional Electricity business model based on fossil fuels facing death spiral.
3. Higher penetration of renewables in the electrical network require solutions to minimise variability, stabilise the grid and ensure reliability across the network (generation to customer’s end).
Solution 1. Energy storage (electrical and thermal) is a key element
among feasible solutions. 2. Value of storage is more pronounced as costs are falling.
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Flattening the Duck – Two Major Strategies for high RE – Long Term – Expensive
Why Energy Storage Systems (ESS)?
Inter-regional Grid
Energy Storage
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Flattening the Duck – Supply and Load – Immediate
Why Energy Storage Systems (ESS)?
Targeted efficiency Manage water pumping
Control electric water heaters
Ice storage for Commercial AC
Tariff design
Peak oriented renewables
Demand response
Inter-regional power exchange
Source:RAP_Lazar_TeachingTheDuck2_2016_Feb_2-2 21
Source: Clean Energy Group
Why Energy Storage Systems (ESS)?
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Why Energy Storage Systems (ESS)?
1. Solar PV – Disruptive Technology (Past,
Present and Future)
2. Why Energy Storage Systems (ESS)?
3. ESS Battery Technologies
4. Case studies
5. Q & A
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Source: Fraunhofer ISE
ESS Battery Technologies
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ESS Battery Technologies - selected
Salt Water Flow battery – Deployment
NaS
VRLA – 100-yr Mature Lithium series - Deployment
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Why Energy Storage Systems (ESS)?
1. Solar PV – Disruptive Technology (Past,
Present and Future)
2. Why Energy Storage Systems (ESS)?
3. ESS Battery Technologies
4. Case studies
5. Q & A
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Commercial energy storage system; Annual energy demand 240MWh/y
2015
Project Name
Project Time
Project Location Germany
System Configuration
PV System 28 kWp, LFP usable storage capacity is 16 kWh.
Energy Storage Systems – Case Studies
Project Developer Designed and supplied by ennerquin, Germany
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Application Maximise self consumption (up to 90%); offsetting electricity bill.
Energy Storage Systems – Case Studies
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Commercial energy storage system
2015
Project Name
Project Time
Project Location
Baden-Baden Germany
System Configuration
PV System 70kWp, Hybrid Inverter 50kW, LFP storage capacity is 80 kWh.
Energy Storage Systems – Case Studies
Project Developer Designed and supplied by GMDE, Shanghai
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Application Maximise self consumption (up to 85%); offsetting electricity bill (€ 27-33/kWh, increasing by 5-10% pa)
Energy Storage Systems – Case Studies
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Commercial energy storage system for office and warehouse
Nov 2015
Project Name
Project Time
Project Location Perth, Australia
System Configuration
PV System 27 kWp, 30kW Bi-directional Inverter, LFP storage/usable capacity 30/24 kWh & zero export control
Energy Storage Systems – Case Studies
Project Developer
Designed and supplied by Magellan Power, Australia
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Application Maximise self consumption, cut electricity bill by 68%.
Energy Storage Systems – Case Studies
Payback period Tariff L1 (constant): 10 years Tariff R1 (variable): 6 years
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Rakeedhoo Island PV-Battery-Diesel; electricity demand 80.3 MWh/y
2016
Project Name
Project Time
Project Location Maldives
System Configuration
PV System 29 kWp, LFP storage capacity 55kWh (Diesel 60kW)
Energy Storage Systems – Case Studies
Project Developer Designed and supplied by ennerquin, Germany
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Energy Storage Systems – Case Studies
Application Diesel Fuel Saving and reduction of CO2
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Energy Storage Systems – Case Studies
Application Diesel Fuel Saving and reduction of CO2
Rakeedhoo Island PV-Battery-Diesel
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Energy Storage Systems – Case Studies
Net Present Cost (NPC) - LCOE
Rakeedhoo Island PV-Battery-Diesel
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Grid Stability System, TKLN
2013
Project Name
Project Time
Project Location
NT, Australia
System Configuration
991kWp, Battery capacity N/A (~30-minute)
Energy Storage Systems – Case Studies
Project Developer TKLN Solar, Epuron
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Application
Energy Storage Systems – Case Studies
- Diesel fuel saving (440kL/y) - High penetration of PV in diesel grid & fast
response frequency and voltage regulation due to cloud cover
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Energy Storage Systems – Case Studies
Grid Stability System, TKLN Project Name
10-min data
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Utility scale energy storage system
2009
Project Name
Project Time
Project Location
Reunion Island, France
System Configuration
1MW/7.2MWh NaS
Energy Storage Systems – Case Studies
Project Developer Bourbon Lumiere, Électricité de France (EDF)
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Application
Energy Storage Systems – Case Studies
- Frequency regulation in small island diesel grid - Increase solar and wind contribution
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Thanks!
Q/A?
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