According to a representative from sodium-ion (Na-ion) battery energy storage system (BESS) startup Peak Energy, the company will pilot a 3.1MWh system at Energy firm RWE’s Eastern Wisconsin, US lab.

New York, US is leading the country in battery energy storage system (BESS) moratoriums, with 97 moratoriums in place, according to renewables service provider Carina Energy.

Google has finalised its acquisition of US renewable energy developer Intersect Power, as part of its plan to power its data centre expansions in the US.

Iron flow battery company ESS Tech Inc highlighted its recent partnership with Google and the acquisition of VoltStorage GmbH, as profitability remained out of reach in 2025.

Energy-Storage.news speaks to Willliam Lauwers, head of technology, BESS, at consulting, engineering and quality control firm Enertis Applus+, ahead of the upcoming Energy Storage Summit USA.

In this US news roundup, we have financing updates for GridStor, Arevon, and Primergy, related to energy storage projects in Texas, California, and Nevada, respectively.

The LDES Council’s policy team discusses the role of policy and markets in scaling long-duration energy storage globally with ESN Premium.

California’s rapid adoption of energy storage has been a major success, but market participation is complex and competitive, write Matt Drazenovich of TWAICE and Chris Swanson of Fullmark Energy.

Energy firm RWE added 2GW to its US operating capacity in 2025, bringing its total operational capacity to nearly 13GW across the country.

Recently, utility Xcel Energy announced it would install 30GWh of US startup Form Energy’s iron-air batteries at a data centre in Pine Island, Minnesota, owned by tech giant Google.