US sodium-ion battery firm Natron Energy has ceased trading, putting an end to its two domestic gigafactories. The news points to the challenges for battery chemistries hoping to compete with LFP, analysts told Energy-Storage.news.

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

Tesla announced its new integrated 20MWh battery energy storage system (BESS) solution, the Tesla Megablock, on 8 September in Las Vegas, US.

“The industry has to continue to be aggressive,” says Luigi Resta, president of US renewable energy and energy storage developer rPlus Energies, on the US remaining a competitive market for energy storage.

Flatiron Energy has commenced initial proceedings to construct a 168MW/672MWh BESS at the site of a former coal-fired power plant located in Bristol County, Massachusetts. 

The US energy storage industry is becoming better equipped to handle the policy uncertainty which has characterised the year so far, Energy-Storage.news has heard.

Energy-Storage.news Premium speaks with Ryan Hledik, Principal at the Brattle Group, and Lauren Nevitt, Senior Director of Public Policy at Sunrun, on the shaky future of California’s Demand Side Grid Support distributed storage programme.

South Korean company SK On has entered the US BESS market with LFP batteries, securing a supply contract with Flatiron Energy Development.

In a double-hit of Texas news, Ormat is commencing operations at its Lower Rio facility, Engie is partnering with Prometheus Hyperscale to power data centres.

During the morning of 30 August 2025, the California Department of Forestry and Fire Protection (CAL FIRE) responded to a possible vegetation fire in the area of independent power producer (IPP) Arevon Energy’s California Flats solar-plus-storage project.