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long-duration energy storage


CPS Energy Exploring Novel Geomechanical Pumped Storage Technology

Texas-based CPS Energy, the largest municipally owned electric and natural gas company in the U.S., has entered into a 15-year commercial agreement to explore installing up to 15 MW of…


California 3,200-MWh CAES Project Proposed for Grid Stability After Diablo Canyon Nuclear Plant Retires

Hydrostor, developer of a 400-MW, 8-hour long-duration advanced compressed air energy storage (A-CAES) facility, has filed an application for certification (AFC) with the California Energy Commission (CEC) for its first…


ESS Inc., a Long-Duration Energy Storage Solutions Company, to Become a Publicly Listed Company Through Merger with ACON S2 Acquisition Corp.

ESS Tech, Inc. has entered into a definitive business combination agreement with ACON S2 Acquisition Corp. (NASDAQ: STWO); upon closing, the combined company expects to be listed on the New…