The UK just saw its biggest year of grid-scale battery storage deployments, but planning barriers “threaten to stall momentum,” according to one expert.

Tesla reported company-high energy storage deployments and revenue growth in 2025 but expects “low-cost competition” and policy factors to affect margins this year.

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.

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.  

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.

Solar Media analyst Charlotte Gisbourne assesses the outlook for the major listed non-lithium battery energy storage technology companies.

The utility-scale battery storage market in Italy is drawing huge interest and development activity, writes Solar Media Market Research analyst Josh Cornes.

Although vertically integrated ESS-cell suppliers retain more control over their supply chain, system integrators’ flexibility may help them in the medium-term, writes Solar Media Market Research analyst Charlotte Gisbourne.

UK BESS projects totalling nearly 4GWh awarded planning consent in October, there is now nearly 22GWh under construction.

Some quick snapshots from the presentations and panels at Energy Storage Summit Asia 2025, taking place this week in Manila, Philippines.