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Hydrostor's Willow Rock Energy Storage Center Signs Offtake Agreement with Southern ...
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Fusion42 · 7 August 2026 · Fusion42 review
Hydrostor's Willow Rock Energy Storage Center in California has signed a 60 MW offtake agreement with the Clean Energy Alliance (CEA), supporting clean and reliable power supply to over 255,000 customers. The project has begun construction after receiving key regulatory approvals, marking Hydrostor's first utility-scale project in the US and advancing long-duration energy storage deployment.
This Wire brief sits within Fusion42's coverage of Climate Tech.
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Long-duration energy storage projects are advancing in California, opening procurement opportunities for suppliers of components and services in compressed air and water-based storage technology. You can target utilities and community choice aggregators seeking stability and renewable integration in their power mix.
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1 source · 6 Aug 2026
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