While the UK grid-scale BESS market continues to be among the busiest in Europe, there are still huge questions and plenty work to be done in several key policy areas.

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

US-based iron-sodium battery manufacturer Inlyte Energy has successfully completed a factory acceptance test of its first field-ready battery at its facility near Derby, UK, witnessed by representatives from US utility Southern Company.

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.

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.

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

IPP Neoen will provide Réseau de Transport d’Electricité (RTE) with grid-forming function from a BESS project in Brittany, France.

Tesla and Sungrow continue to top the Battery StorageTech Bankability Ratings Report, which also shows how revenue, profitability and shipments are trending in the industry, writes Solar Media Market Research analyst Joe Hennessy.  

With the global AI data centre boom already here and growing rapidly, HiTHIUM brings products and strategies to help solve its significant energy challenges.

Another busy week of large-scale BESS project news across Europe, led by CountourGlobal putting a 202MW/505MWh BESS into commercial operation in Bulgaria.