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. March 9, 2026 Matthew Lynas Early adoption of 24/7 carbon-free energy procurement could quickly cut the cost of new energy generation and storage technologies, according to research...
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UK to spend $20 billion on home energy upgrades, mandatory PV for new homes

Cash grants and state-backed loans to support solar and battery storage installations in millions of UK homes as part of government Warm Homes Plan. UK government says investment has the potential to triple the number of homes with rooftop solar by 2030. January 21, 2026 Matthew Lynas The UK government has launched a GBP 15 billion ($20 billion) home energy efficiency investment program, which includes grants and loans to support millions of new rooftop solar installations by 2030. The Warm Home...
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New European solid-state battery business targets commercial production

Axen, Syensqo and IFPEN establish new company to produce high performance sulfide solid electrolytes for solid-state batteries in Europe. New company Argylium will develop its electrolyte portfolio at facilities in France. January 7, 2026 Matthew Lynas Image: Alexander Kagan, Unsplash From ESS News Axens Group, Syensqo and public research body IFP Energies nouvelles (IFPEN) have joined forces to launch a new company dedicated to developing electrolytes for solid-state batteries in Europe. Argyli...
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China connects world’s largest vanadium flow battery project

The GWh-scale long-duration energy storage 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. January 7, 2026 Matthew Lynas Image: WeChat, Xinjiang local government From ESS News The world’s first gigawatt-hour scale vanadium flow battery energy storage project has entered operation in China, with total installed capacity of 200 MW/ 1,000 MWh. Lo...
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Europe’s first sodium-ion cell made with fully domestic components

Europe’s first sodium-ion cell made with fully domestic components

Welsh battery breakthrough uses UK-manufactured anode and cathode materials as well as active materials available through local supply chains. Batri plans to scale up material manufacturing and cell building capability. December 18, 2025 Matthew Lynas...
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Pakistan needs to declare a ‘battery emergency’

Solar association chair argues urgent battery energy storage deployment is key to supporting continued PV boom in Pakistan. Residential solar CEO predicts surge in behind-the-meter storage demand if and when Pakistan’s generous net metering policy is wound down. November 27, 2025 Matthew Lynas Image: Hadron Solar From ESS News Booming solar capacity additions in Pakistan have been making global headlines, but industry leaders are now calling for quick deployment of energy storage to complement...
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Aira unveils battery storage system and inverter range

Swedish heat pump maker Aira unveils new battery energy storage system and inverter range for the residential market. Aira Power Hub inverters and Aira Power Store batteries are marketed as part of a whole home energy management system, initially launching in the United Kingdom and Italy with a German rollout to follow. November 11, 2025 Matthew Lynas Swedish heat pump maker Aira has launched a residential battery and inverter range, as the company seeks to position itself as a whole home-energy...
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Eelpower Energy secures funds for up to 1 GWh of UK battery storage

Eelpower Energy secures funds for up to 1 GWh of UK battery storage

Eelpower Ltd. joins consortium of public and private sector investors to launch new battery energy storage system (BESS) developer – Eelpower Energy. The developer is targeting final investment decisions on up to 1 GWh of capacity by the end of 2025. August 29, 2025 Matthew Lynas Image: Equitix From ESS News A UK battery storage developer has secured GBP 500 million ($675 million) of public and private sector investment, creating a business spun out from grid-scale storage developer Eelpower L...
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British and Irish BESS investors make big moves in Japan

British and Irish BESS investors make big moves in Japan

Gore Street Capital’s Japanese fund buys its first battery energy storage system (BESS) project, while Ireland’s GridBeyond begins energy trading in Japan with front-of-the-meter asset. June 27, 2025 Matthew Lynas Image: Jaison Lin, Unsplash From ESS News UK BESS investor Gore Street Capital has acquired its first asset in Japan through what it claims is the country’s first dedicated energy storage fund. The acquisition was made under the Toyko Energy Storage Investment Limited Partnership...
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