Long-duration energy storage Archives - Energy Storage

Long-duration energy storage

All Long-duration energy storage news

Flow batteries

China connects world’s largest vanadium flow battery project Gigawatt-hour scale long-duration energy storage (LDES) project is expected to reduce curtailment in Xinjiang, a region of China with high solar and wind generation, and transmission bottlenecks. The flow battery installation is co-located with a PV plant.

Jan 07, 2026

Tenders

Spain unveils €90 million funding for 7 GWh of innovative pumped hydro energy storage projects Each project or entity can receive a maximum grant of €50 million ($58.5 million), and all projects must be fully completed by June 30, 2035.

Jan 06, 2026

Supply chain

What’s next for battery technology in 2026 Longer-duration storage, safety-driven procurement and Foreign Entity of Concern (FEOC) compliance in the United States compliance are starting to push alternative chemistries closer to scale.

Jan 02, 2026

Grid-scale

China powers up world’s largest liquid air storage project The 60 MW/600 MWh storage project is colocated with a 250 MW photovoltaic plant allowing for a high level of green energy self-sufficiency.

Dec 30, 2025

Policy

UK parliament approves long duration storage cap and floor scheme Royal Assent for Planning and Infrastructure Act commits government to long duration energy storage (LDES) cap-and-floor scheme, alongside other measures aimed at easing connections queue and accelerating grid upgrades.

Dec 22, 2025

Policy

Great Britain axes 153 GW of zombie projects to clear the queue for shovel-ready BESS Grid connection overhaul removes 153 GW of battery energy storage projects from connection queue as National Energy System Operator (NESO) implements new process prioritizing ready-to-build projects. NESO’s reform followed a tenfold increase in the connections queue over a five-year period.

Dec 09, 2025

Opinion & Analysis

Unlimited low-cost energy storage In its latest monthly for pv magazine, the International Solar Energy Society (ISES) explains how pumped-hydro energy storage combined with PV power generation could provide 24/7 power to data centres.

International Solar Energy Society

Oct 23, 2025

Auctions

UK regulator shortlists 77 LDES projects for cap-and-floor scheme evaluation Of the 171 projects that applied, 77 met the eligibility criteria and have advanced to the project assessment stage. Together, these eligible projects have a total power output of 28.7 GW, with lithium-ion batteries accounting for more than 60% of the total capacity.

Sep 23, 2025

Grid-scale

NatPower secures UK site for 8 GWh BESS to power ships at berth Major BESS project will be first UK project to combine utility-scale battery energy storage system (BESS) with maritime infrastructure, according to NatPower. The developer aims to connect to the grid by 2028.

Aug 28, 2025

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Battery Business & Development Forum 2026

Connect with Europe’s energy storage leaders at the Battery Business & Development Forum 2026 in Frankfurt and gain insights into evolving business models, financing strategies, and market trends. Register by November 27 to secure the Early Bird rate.

March 31 – April 1, 2026 | In Person Event

SunRise Arabia Conference 2026

SunRise Arabia Clean Energy Conference 2026

Saudi Arabia is accelerating its clean energy transition. Join the third SunRise Arabia Clean Energy Conference in 2026 to explore how solar PV and energy storage are powering the Kingdom’s growing digital economy, including data centers. Policymakers, investors, and innovators will share insights on technology, deployment strategies, and long-term value creation in Saudi Arabia’s evolving energy landscape.

April 22, 2026 | Riyadh, Saudi Arabia

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