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Long-duration energy storage

All Long-duration energy storage news

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Flow batteries
TerraFlow and Shoals target 5 GW vanadium flow deployment US companies sign agreement in a bid to boost flow battery deployment, with the data centers, industrial users and utilities seen as potential offtake partners.
Matthew Lynas
Aug 07, 2026
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Manufacturing
Antora raises $550 million for US-made thermal battery storage US manufacturer closes funding round shortly after deploying 5 GWh thermal battery in South Dakota. New finance will be used to accelerate deployment and establish a second US manufacturing facility.
Matthew Lynas
Aug 03, 2026
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Markets
Pumped hydro and lithium BESS top UK LDES cap and floor Ofgem has revealed provisional list of 16 projects that can progress through new support scheme for long-duration energy storage (LDES). Four technologies selected, with pumped storage hydro and lithium-ion batteries the biggest winners.
Matthew Lynas
Jun 26, 2026
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Products
Rept Battero unveils 320 Ah sodium-ion cell for long-duration storage Rept Battero has unveiled a 320 Ah sodium-ion battery cell for long-duration energy storage, claiming more than 20,000 cycles. Commercial production is scheduled to start in 2027.
Vincent Shaw
Jun 17, 2026
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Grid-scale
Fidra buys 1 GW UK BESS project from Innova ahead of cap-and-floor decision Under development project in the running for UK cap-and-floor scheme support, with decision expected in summer 2026. Fidra Energy BESS development pipeline now exceeds 4.1 GW in power terms.
Matthew Lynas
Jun 03, 2026
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Products
Meta signs 100 GWh supply agreement for Noon Energy’s ultra-long-duration fuel cell storage Meta Platforms and Palo Alto-based Noon Energy have reached a reservation agreement for up to 1 GW / 100 GWh of energy storage capacity, marking a significant bet on ultra-long-duration energy storage to power the next generation of AI infrastructure.
Ryan Kennedy
Apr 21, 2026
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Markets
Hithium signs 3 GWh long-duration storage deal with Brawn Capital Battery storage manufacturer to deliver across multiple projects by end of the decade, including ultra-high voltage projects. It follows multiple recently announced long-duration deals for European markets.
Matthew Lynas
Mar 31, 2026
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Grid-scale
Long-term storage grows by 49% in 2025 despite the financing crisis A report by Wood Mackenzie indicates that the deployment of long-duration energy storage (LDES) technologies exceeded 15 GWh in 2025, but declining venture capital investment and falling lithium battery costs are hindering their commercial viability.
Pilar Sanchez Molina
Mar 10, 2026
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Policy
Spanish government plans to accelerate permitting for hydroelectric plants Consultation now open on plan to streamline permitting process for reversible hydroelectric plants. The government wants to integrate energy authorization, environmental assessment and water concession into a single procedure.
Pilar Sanchez Molina
Mar 05, 2026
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