GridStor closes $220 million debt financing for Arizona battery energy storage facility

GridStor, with financial partners ING Capital, KeyBanc Capital Markets, and Zions Capital Markets, has closed a $220 million debt financing agreement for its 100 MW White Tank battery energy storage facility in Arizona. The facility is expected to be operational in the first half of 2027 and will operate under a 20-year tolling agreement with Arizona Public Service.