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 managing director of Bluestar Energy Capital’s European BESS platform Noveria Energy gave a Q&A to Energy-Storage.news ahead of the Energy Storage Summit 2026 in London next month.

Battery storage is the technology best suited to handling the power fluctuations that AI training loads can create at data centres, ESN Premium has heard.

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.

Aurora Energy Research has released its latest battery storage performance data, showing mixed revenue for storage across Australia’s NEM.

Curtailment of solar PV and wind continued to increase in Chile last year and passed 6TWh according to the Chilean renewable energy and energy storage association ACERA.

Lennart Hinrichs at TWAICE, discusses how the industry’s approach to battery analytics is changing, as part of our annual Year in Review series.

Jointly owned by Masdar and Igneo Infrastructure Partners, independent power producer (IPP) Terra-Gen’s Lockhart CL I and II battery energy storage system (BESS) projects have reached commercial operations in San Bernardino County, California, US.

2025 saw genuinely large-scale BESS projects start construction in Germany, strengthening confidence among stakeholders. But significant challenges remain around grid connection, connection agreements and access to revenue streams, an operator said.

Mukesh Chatter, CEO of US sodium-ion battery startup Alsym, on the prospects for non-lithium alternative technologies in 2026 and beyond.