Expansion Plan To Take World’s Biggest Battery Storage Project To 3GWh Capacity
The title of this post, is the same as that of this article on Energy Storage News.
These are the first two paragraphs.
Plans to nearly double the output and capacity of the world’s biggest battery energy storage system (BESS) project to date have been announced by its owner, Vistra Energy.
The Texas-headquartered integrated utility and power generation company said it wants to add another 350MW/1,400MWh BESS to the Moss Landing Energy Storage Facility in California’s Monterey Bay.
The project is based at the Moss Landing Power Plant, which was once the largest power plant in the state of California, with a generation capacity of 2560 MW.
There appear to be three phases.
- Phase 1 is 300MW/1,200MWh and went online at the end of 2020
- Phase 2 is 100MW/400MWh and went online in August 2021.
- Phase 3 will be 350MW/1,400MWh.
This gives a maximum power output of 750 MW and prospective total capacity of 3 GWh. At full power, the battery could supply 750 MW for four hours.
For comparison, the two Scottish batteries I talked about in Amp Wins Consent For 800MW Scots Battery Complex, have a combined output of 800 MW and a total capacity of 1600 MWh, which would give a full power run of two hours.
Could the difference be that Scotland has 9.3 GW of installed windpower, whereas the much larger California has only 6 GW?
Both Scotland and California also have some pumped storage power stations.
- Drax Group who own the 7.1 GWh Cruachan power station, plan to increase its generating capacity from 440MW to 1040MW.
- California has two larger stations at Castaic and Helms.
- After writing about the Western HVDC Link in Amp Wins Consent For 800MW Scots Battery Complex, I wonder if when the wind is blowing in Scotland and it isn’t in Wales, that electricity can be exported from Scotland to Wales for storage.
This all shows the complex integrated nature of electricity networks.
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