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.

Horizon Power has submitted an application under Australia’s Environment Protection and Biodiversity Conservation (EPBC) Act for a 239MWh battery energy storage system (BESS) in Broome, Western Australia.

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.

Javier Savolainen of Wärtsilä explains how Australia’s battery storage and pumped hydro fleet have been impacted by the current heatwave.