Computer-generated image of Hydrostor’s 4GWh Willow Rock project in California. Image: Hydrostor.
Compressed air is stored in hard rock caverns dug deep underground. Image: Hydrostor.
The project will be built in California’s Kern County. Image: Hydrostor
Advanced compressed air energy storage (A-CAES) company Hydrostor has signed a power purchase agreement (PPA) for one of its flagship large-scale projects in California.
Central Coast Community Energy, one of California’s several dozen Community Choice Aggregator (CCA) non-profit energy suppliers, has signed a 200MW/1,600MWh energy storage PPA with a 25-year term with Toronto-headquartered Hydrostor for its Willow Rock Energy Storage Center.
That’s just under half of the output and capacity of the planned 8-hour, long-duration energy storage (LDES) facility, which is designed to be 500MW/4,000MWh….