This long duration compressed air energy storage project just got a $1.76B DOE loan
![](https://electrek.co/wp-content/uploads/sites/3/2025/01/Willow-Rock-Energy-Storage-Center.jpg?quality=82&strip=all&w=1200)
Hydrostor’s GEM A-CAES has received a conditional loan guarantee of up to $1.76 billion from the US Department of Energy (DOE) to build the Willow Rock Energy Storage Center, a cutting-edge compressed air energy storage (CAES) system, in Eastern Kern County, California.
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