A roundup of updates on BESS projects from SolarMax, Energy Vault, Engie, and Spearmint in the Electric Reliability Council of Texas (ERCOT) market.

It’s been a bumper year for sponsored webinars here at Energy-Storage.news, and here is a selection to round out 2025.

In this Energy-Storage.news roundup,  Hydrostor receives permitting approval for its California project, Hawaiian Electric is set to begin construction on a Maui battery energy storage system (BESS) and Peregrine and Wärtsilä advance construction of a Texas BESS.

Our selection of Guest Blogs published over the past year continues, featuring entries from July to December.

Energy-Storage.news Premium speaks with CEO of optimisation platform provider Ascend Analytics, Dr. Gary Dorris, PhD, about navigating ERCOT’s revenue opportunities and the implementation of RTC+B.

Two US companies, GridStor, and CPS Energy are making advancements on Texas energy storage deployments, with GridStor executing a tolling agreement and CPS Energy issuing a new request for proposals.

Distributed energy resources (DERs) are emerging as potential solutions for consumers seeking independence and relief from rising energy costs.

In an upcoming conversation with Energy-Storage.news Premium and Optimisation platform provider Ascend Analytics, CEO Dr. Gary Dorris PhD, discusses the ‘roller coaster’ revenues of the Electric Reliability Council of Texas (ERCOT) market.

RWE Clean Energy has commissioned the Stoneridge Solar PV project in Texas, adding 200MW of solar PV and 100MW/200MWh BESS to its operational portfolio.

Energy-Storage.news Premium speaks with Michael Kirschner, Managing Director, US, for Habitat Energy, about optimising BESS projects in ERCOT.