Three massive grid-scale battery projects move ahead in Texas, California
Texas and California lead the latest energy storage surge with SolarMax and Spearmint advancing major projects, a Texas developer securing 10 GWh for data centers, and Ormat and Terra-gen commissioning 655 MWh of new capacity.
Island BESS: 400 MWh of batteries for Puerto Rico, first standalone project in Hawaii
Construction is underway on two projects with a cumulative capacity of 400 MWh in Puerto Rico. Meanwhile, Hawaiian Electric has broken ground on a 160 MWh project – the island’s first of its kind.
Energy Vault begins construction on 150 MW storage project in Texas
The SOSA Energy Center is the first project to break ground under the company’s Asset Vault investment platform.
U.S. Q3 energy storage deployment grows 31% year-over-year
Over 5.3 GW of energy storage was deployed in Q3 2025, said a report from Wood Mackenzie and the American Clean Power Association.
What to know about ERCOT’s new RTC+B program
Under the real-time co-optimization structure, batteries will be recognized as both generators and loads.
Solar and storage represent 91% of clean power additions in Q3 2025
Of the 11.7 GW of clean power capacity added in Q3 2025, utility-scale solar and battery energy storage accounted for 91% of the total, said a report from the American Clean Power Association.
800 MWh battery project reaches financial close for BrightNight and Cordelio Power in Washington
Power company BrightNight and joint venture partner Cordelio Power have announced the financial close of its Greenwater Energy Storage Project, a 200 MW / 800 MWh battery energy storage system (BESS) located in Pierce County, Washington, in the Pacific Northwest region.
U.S. battery fleet grows 59% with nearly 14 GW added in 12 months, says EIA
Data from the US Energy Information Administration (EIA) shows that battery energy storage and solar are dominating capacity additions, while fossil fuel capacity continues to net a decline. Another 22 GW of storage is projected for the coming year.
As BESS becomes more complex, EPCs need to front-load project activities
Early engagement with regulators, suppliers and first responders is essential, said a report from Fluence Energy.
Battery energy storage revenues for ancillary services fall nearly 90% in ERCOT
Revenues for ancillary services have fallen 90% since 2023. An Enverus report says market saturation is driving operators to seek other strategies.
