Bigger, longer-duration projects and more sophisticated deal structuring are driving the energy storage industry forward, but a lack of common approaches from transmission system operators (TSOs) remains a challenge.

Lenders requirements for contracted revenues for BESS projects in the UK appears to have softened, an executive at investment firm Triple Point said.

More BESS news from across Europe, with ContourGlobal and Alpiq striking sizeable deals in Greece and France, Iberdrola putting projects into operation in Spain, and other project news in Germany, Poland, Denmark and Southeast Europe.

The UK market saw strong interest and activity in 2025 but now appears to be shifting from a development market to one focused on execution, writes Solar Media analyst Charlotte Gisbourne.

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.

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.

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.

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

The UK grid-scale battery storage market grew 45% in 2025, with 4GWh coming online during the year, bringing total operational capacity to 12.9GWh.

It’s our first week back to normal service so here’s a roundup of the past few weeks of BESS action in Europe, with projects moving forward in Romania, Denmark, UK, France, Spain, Albania, Germany and Austria.