In this US news roundup, updates on solar-plus-storage projects from Google and DTE Energy, Sunraycer, Invenergy and SRP, Idemitsu Renewables, and Clēnera.

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.

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.

Energy-Storage.news Premium speaks with Claire McConnell, VP business development for Redwood Materials’ energy storage business, Redwood Energy, about its recent backing from Google and Nvidia, and what it has planned next.

Utility Xcel Energy will install 30GWh of US startup Form Energy’s iron-air batteries at a data centre in Pine Island, Minnesota, belonging to tech giant Google.

Redwood Energy announced the final closing of its Series E financing round, bringing the total raise to US$425 million.

Google parent company Alphabet has announced a definitive agreement to acquire Intersect Power.

Investor-owned utility (IOU) Entergy is seeking regulatory approval from the Arkansas Public Service Commission (PSC) to construct what could become the largest BESS in the southern US State. It will support a data centre from Google.

Tech giant Google has announced a partnership with utility SRP to help accelerate the commercialisation of non-lithium long-duration energy storage (LDES) technology.