Another roundup of European grid-scale BESS project news, led by MORE and Zenobe putting Greece and UK projects into operation, and major project financings/construction starts by Acacia in France, Greenvolt in Hungary and Eco Stor in Germany.

Covestro and startup Rondo Energy have broken ground on a 100MWh TES system at Covestro’s Brunsbüttel chemical site in Germany.

Global infrastructure investor I Squared Capital has launched ANZA Power, a next-generation independent power producer (IPP) in Australia and New Zealand.

BlackRock-backed Akaysha Energy has commenced operations at its 205MW/410MWh Brendale battery energy storage system (BESS) in Queensland, Australia, delivering the project close to five months ahead of the original schedule.

FranklinWH and ConnectDER have had their respective battery and electric meter technologies enrolled into programmes in Arizona expected to accelerate the take-up of home batteries for virtual power plants (VPPs).

Virtual BESS tolling platform startup Terralayr has raised €192 million (US$223 million), primarily for its own build-own-operate BESS pipeline. CEO Philipp Man spoke to Energy-Storage.news about the funding round and growing its capacity virtualisation and tolling platform.

Australian thermal energy storage company 1414 Degrees has received critical regulatory approval from AEMO for its 140MW Aurora BESS.

A staggering total of 18GW/65GWh of large-scale BESS came online in China last month, accounting for a quarter of the total capacity deployed across the globe in 2025.

Duke Energy, Elevate Renewables, and Fluence Energy, along with BrightNight and Cordelio Power, are advancing BESS projects across the BESS.

Fluence senior VP and chief enterprise operations officer Roman Loosen explains how 2025 saw energy storage go from “important” to “essential.”