Residential battery energy storage systems (BESS) across California discharged more than 580MW of peak power to the state’s grid on the evening of 9 September 2026 via a Tesla-Sunrun VPP.

Utility PG&E has selected six new California microgrid projects for a US$30 million investment, while Massachusetts’ Department of Energy Resources is awarding US$40 million across 36 BESS projects.

What is repetitive re-trading (RTT) by BESS in the UK, and what is NESO looking to do about it?  

System integrator Fluence and lithium-ion battery OEM Eve Energy have struck a massive 206GWh battery supply framework agreement for 2027-31, one of the largest deals of its kind ever announced.

Vishal Mittal, founder and CEO of Delectrik makes the case for flow batteries to meet India’s long-duration needs in an exclusive ESN Premium interview.

A roundup of some of our key takeaways from the Energy Storage Summit Germany this week, including around FCAs, inertia, the capacity market (CM), EU restrictions on China, and the future of one very notable system integrator.

Flexible Connection Agreements (FCAs) must not be used simply to exclude BESS from connecting to the grid, but the industry will have to make do with them and all their imperfections for the foreseeable.

This edition of news in brief from around the world in energy storage features Engie, Econergy and Inion Software in Central and Eastern Europe.

A regulatory change is opening Germany’s energy markets to 23GWh of home batteries. The co-CEO of VPP platform Flexa discusses what it could mean for the market.

Anker SOLIX, a global leader in smart energy, introduces the XE system, the next-generation true all-in-one home energy storage system.