Investment firms Castlelake and Gore Street Capital have acquired respective battery storage projects in the ERCOT, Texas market totalling nearly 600MW of storage capacity.

A 400MW early-stage battery storage project in ERCOT, Texas, has been acquired by a joint venture (JV) controlled by Italian firms Redelfi and Altea Green Power, for up to US$8.5 million.

Battery storage developer Spearmint Energy has started building a 150MW/300MWh unit in the ERCOT, Texas market, its first project.

Spain-based renewable energy firm Acciona Energia has acquired a two-hour energy storage system in ERCOT, Texas, from Qcells.

AI-driven energy storage firm Stem Inc will deliver 40MW of battery storage projects in ERCOT, Texas, for independent power producer REX, the first of US$400 million the new firm plans to procure.

The US Department of Energy (DOE) has provided US$7.9 million for a 50MWh battery energy storage project using second life EV batteries in the ERCOT, Texas market, by Element Energy and NextEra Energy Resources.

National Grid Renewables has commenced operations at its Noble solar-plus-storage project in Denton County, Texas.

Energy Vault has provided a dizzying variety of updates in its Q3 results, covering European battery storage, a green hydrogen system, a new CFO and its gravity-based energy storage deployments in the US and China.

Asset manager BlackRock has acquired US battery energy storage developer Jupiter Power from EnCap Investments.

GlidePath has started operating Byrd Ranch, a 50MW battery energy storage system in Texas, US, which will be optimised by Habitat Energy.