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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

20 hours ago

Technologies

Small 24/7 clean power commitments could cut costs for long-duration storage TU Berlin researchers say early demand for round-the-clock carbon-free electricity could help bring advanced energy technologies to market faster through technology learning effects. Grant funding for the research was provided by Google, which has since announced plans to build the world’s largest iron-air battery.

Mar 09, 2026

Grid-scale

PPC, Metlen join hands to develop 3 GWh of battery storage in Romania, Bulgaria, Italy As Metlen confirmed to pv magazine, only 50 MWh of the announced pipeline will be located in Italy.

Marija Maisch, Sergio Matalucci

Mar 06, 2026

Grid-scale

Alfa Laval, IAE to deploy Korea’s first large-scale liquid air energy storage plant The partners say the LAES system will liquefy up to 10 tons of air per day for long-duration grid balancing.

Mar 05, 2026

Grid-scale

Energy China consortium wins 1 GWh Benban battery project in Egypt The project, described as Africa's largest standalone battery storage system, will have grid-forming capability.

Mar 04, 2026

Grid-scale

World’s largest compressed air energy storage station now fully operational in China With 600 MW of installed capacity and 2,400 MWh of storage, the Huai'an Salt Cavern project is now the world’s largest compressed air energy storage facility, surpassing the 300 MW/1,500 MWh project commissioned earlier this year that previously held the title.

Mar 04, 2026

Grid-scale

Solarig to operate and maintain Tesla Megapack 2 XL BESS systems in Chile The Spanish company becomes a Certified Service Provider for Tesla's battery storage systems in Chile, and will assume their operation and maintenance.

Mar 04, 2026

pv magazine Global March Edition 2026

New March issue – Now available

The March issue of pv magazine Global is out now! Available in print and digital – get your copy today!

pv magazine Focus 2026 announcement box

pv magazine Focus 2026

1-Day Conference

High-level discussions on solar and energy storage across Europe. Experts explore how to plan and execute bankable BESS projects, what quality and warranty factors matter, and how energy management systems optimize residential and C&I applications, including heat pumps, EV charging, and new market opportunities.

1:00 – 5:00 pm, CEST | June 24, 2026

The smarter E Europe, ICM Conference Center | Munich, Germany

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Battery Business & Development Forum 2026

Connect with Europe’s energy storage leaders at the Battery Business & Development Forum 2026 Frankfurt and gain insights into evolving business models, financing strategies, and market trends.

March 31 – April 1, 2026 | In Person Event

Hotel Meliá Frankfurt City | Frankfurt am Main, Germany

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.

9:00 am – 6:00 pm, AST | April 22, 2026

Riyadh, Saudi Arabia

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All Grid-scale news

Projects & Applications

Sunterra RE commissions 94 MWh battery system in Bulgaria A 47 MW battery system at Kaloyanovo has been commissioned by Sunterra RE, the first of three in a plan.

Oct 02, 2025

Tenders

Australia’s Transgrid to open 1 GW grid-forming battery tender The grid company has launched the largest ever tender for grid-forming batteries in the Australian states of New South Wales (NSW) and the Australian Capital Territory.

Oct 02, 2025

Grid-scale

Aypa Power selects Canadian Solar’s e-STORAGE for 2.12 GWh of battery storage in Canada e-Storage will supply SolBank products to Aypa Power's projects in Ontario, Canada, and offer long-term service agreements.

Oct 01, 2025

Grid-scale

EDF breaks ground on 1 GWh of South African batteries The 103 MW/412 MWh Nieuwehoop battery energy storage system (BESS) and two 77 MW/308 MWh sites, in Mookodi and Aggeneis, are due online before December next year.

Oct 01, 2025

Grid-scale

‘Largest battery in mainland Europe’ powers up in Belgium Engie and Sungrow have commissioned the first 400 MWh phase of mainland Europe’s largest battery energy storage system in Vilvoorde, Belgium, with full capacity due by end-2025.

Oct 01, 2025

Policy

Day-ahead European electricity market switches to 15-minute intervals More accurate mapping of renewable energy generation is expected, which could bring advantages for solar sites involved in direct marketing. Customers with dynamic electricity tariffs or load management, as well as battery storage operators, are also likely to benefit.

Oct 01, 2025

Tenders

Australian tender targets 500 MW of new firming capacity The New South Wales (NSW) government wants 500 MW of grid-firming and demand-response capacity to further boost power supply reliability as the state’s coal-fired generators close.

Oct 01, 2025

Grid-scale

Alibaba, Tencent and ByteDance bet on batteries as AI fuels power demand surge Tech giants Alibaba, Tencent, and ByteDance are ramping up investments in renewable energy and storage to meet the soaring electricity demands driven by AI.

Sep 30, 2025

Grid-scale

Chile’s battery output leaps to 315 GWh in first eight months of 2025 Chile’s big batteries have made significant contributions to the national grid during 2025 according to figures from an energy consultancy.

Sep 30, 2025

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