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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.
20 hours ago
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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.
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.
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Walo battery to support Senegal’s state grid
Construction has started on the Walo storage and PV project in Senegal. Africa REN has commissioned the large-scale solar and battery storage project to address Senegal’s grid constraints. Africa REN is working in partnership with Senelec, Senegal’s national electricity company to provide much-needed stability to the local grid to reduce power outages.
Poland: Tender for construction of 263 MW battery storage system, aqusition of 133 MW battery project
Polish utility PGE Group has launched a tender for the design and construction of a battery storage facility with a minimum capacity of at least 900 MWh. Meanwhile, Ukraine's DTEK has completed the acqusition of a 532 MWh battery storage project in southern Poland.
EWEC seeks proposals for 400 MW battery storage project in Abu Dhabi
The battery energy storage project will provide operating reserves and crucial ancillary services such as frequency response and voltage regulation, further reinforcing the security of supply and supporting Emirates Water and Electricity Co. (EWEC) to increase its solar capacity to 7.5 GW by 2030.
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Origin elevates Eraring battery capacity over 2 GWh at site of Australia’s largest coal generator
Australian utility Origin Energy has approved an AU$450 million investment to construct the second-stage 240 MW / 1,030 MWh four-hour duration grid-forming battery at Eraring Power Station in New South Wales. Stage two will be built with Wärtsilä’s Quantum High Energy storage system and equipped to deliver system strength support services.
2.7 GW of battery storage projects in GB to be delayed by over a year
Over the first six months of the year, the Great Britain (GB) battery storage market has experienced a significant slowdown in buildout rates, sharply contrasting the record-breaking year of 2023. The second half of 2024 will serve as an indicator of the market's future performance.
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Winter weather in Australia highlights bigger role for batteries
The latest quarterly report from the country’s energy market operator shows the role of batteries in supporting demand peaks in the National Electricity Market is on the rise, with average generation in those periods more than doubling since the same time last year.
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