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ESN Premium speaks with Chris McKissack, CEO of developer Fullmark Energy, on issues affecting the US market today and the company’s transition from its legacy business model.
Argentina has awarded 667MW of battery energy storage system (BESS) in its first tender under the AlmaGBA scheme.
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Last summer, a Texas energy storage operator watched in frustration as their battery system missed a golden trading opportunity during a peak demand window.
The government of South Africa has secured nearly 1.7GW/11GWh of grid-scale BESS capacity via various procurement programmes, though questions remain around their integrity and deliverability.
Andrew Early and Ben Echeverria of EPC Burns & McDonnell continue their list of tips for navigating the choppy waters of battery storage project delivery.
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The UK had one of its best months of the year for large-scale BESS projects being completed in August.
Editor Andy Colthorpe speaks with Long Duration Energy Storage Council director of markets and technology Gabriel Murtagh.
News
September 10, 2025
Tech giant Google has announced a partnership with utility SRP to help accelerate the commercialisation of non-lithium long-duration energy storage (LDES) technology.
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September 10, 2025
California community choice aggregator (CCA) Orange County Power Authority (OCPA) and independent power producer NextEra Energy Resources (NEER) have agreed on the terms of a flexible offtake agreement relating to a 115MW/460MWh standalone BESS. 
News
September 10, 2025
Fidra Energy has secured £1 billion for the largest BESS in the UK, while EDF and Elements Green have agreed a toll for a 720MWh system.
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September 10, 2025
Major BESS route-to-market (RTM) deals have been announced in Poland, by Greenvolt and Entrix, and in Italy, by Zelestra and BKW.
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September 10, 2025
Tesla has announced that by the end of 2026, it expects to have around 4.5GW of grid-forming battery storage operating across Australia.
News
September 9, 2025
Tesla announced its new integrated 20MWh battery energy storage system (BESS) solution, the Tesla Megablock, on 8 September in Las Vegas, US.
News
September 9, 2025
“The industry has to continue to be aggressive,” says Luigi Resta, president of US renewable energy and energy storage developer rPlus Energies, on the US remaining a competitive market for energy storage.
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September 9, 2025
Flatiron Energy has commenced initial proceedings to construct a 168MW/672MWh BESS at the site of a former coal-fired power plant located in Bristol County, Massachusetts. 
Features, Guest blog
September 9, 2025
Emerging tech must prove it can outcompete the incumbent, writes Sightline Climate analyst Lukas Karapin-Springorum, outlining the state of play in LDES technology today.
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September 9, 2025
Chinese lithium-ion OEM Hithium and system integrator BOS Power have signed a supply agreement for 3GWh of BESS deployments in the Nordic region.

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