In this Energy-Storage.news roundup,  Hydrostor receives permitting approval for its California project, Hawaiian Electric is set to begin construction on a Maui battery energy storage system (BESS) and Peregrine and Wärtsilä advance construction of a Texas BESS.

Our selection of Guest Blogs published over the past year continues, featuring entries from July to December.

According to the Q4 2025 US Energy Storage Monitor from Wood Mackenzie Power & Renewables and the American Clean Power Association (ACP), 2025 energy storage installations surpassed 2024 capacity.

Lithium-ion OEM Hithium has unveiled a new, even larger format 1,300Ah battery cell for 8-hour BESS applications, alongside new related BESS products.

As Long-duration Energy Storage（LDES） becomes central to overcoming renewable intermittency and enabling all-weather green power, the third HiTHIUM Eco-Day was  concluded under the theme of “The Awakening of Energy – The New World”.

Results of an auction to procure large-scale energy storage to support the electric grid in South Korea will be announced in February.

The UK’s National Energy System Operator (NESO) will offer grid connection offers up to 2035 to 283GW of projects following a reform of the process.

European energy independence is achievable if long-duration energy storage is factored into the mix, writes Oonagh O’Grady of Hydrostor.

A Western Australian government initiative to deploy the largest vanadium redox flow battery (VRFB) project outside China is a “pivotal moment,” one technology provider has said.