Flow Batteries Mainstreaming for Long-Duration
Discover how flow batteries are revolutionizing long-duration energy storage. Learn about their cost-effectiveness, scalability, and role in
Japan's Sumitomo Electric is building the first redox flow battery to be approved for government subsidy in the country. The 2 MW/8 MWh facility, which is under construction on the island of Kyushu, will be subsidized under Japan's FY2024 Renewable Energy Expansion and Grid-Scale Energy Storage System Support Program.
Sumitomo Electric Industries, Ltd. is pleased to announce that its vanadium redox flow battery (hereinafter "RF battery*1”), together with its energy management system sEMSA™,*2 has been adopted as the energy storage system for the "Kurokiyama Solar Power Plant," which was developed by Minamikyushu City, Kagoshima Prefecture.
Sumitomo Electric has operated a 2 MW/8 MWh pilot vanadium flow battery in San Diego since December 2018 and is constructing a similarly sized facility on the island of Kyushu. Japan's Sumitomo Electric is building the first redox flow battery to be approved for government subsidy in the country.
Hokkaido Electric, the power firm in the region has invited offers from applicants that want to interconnect their renewable energy facilities to the grid and 15 companies will share the capacity the flow battery systems helps to free up. Costs of the battery will be shared by Hokkaido Electric and the other stakeholders.
Sumitomo Electric has operated a 2 MW/8 MWh pilot vanadium flow battery in San Diego since December 2018 and is constructing a similar facility on the island of Kyushu.
A completion ceremony for the "Kurokiyama Solar Power Generation Installation Project" was held on April 22, 2025, after the construction work by Mitaden Co., Ltd. (Headquarters: Kagoshima City, Kagoshima Prefecture; President: Izumi Hirose), which was contracted to design and construct the project.

Discover how flow batteries are revolutionizing long-duration energy storage. Learn about their cost-effectiveness, scalability, and role in
On May 24, the 220kV Chunan Line and Chuwan Line were successfully connected and The 100MW/400MWh Redox Flow Battery
Japanese technology major and part of the eponymous conglomerate, Sumitomo Electric has announced the start of the largest
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Flow battery technology is poised to play a significant role in this transition, offering a scalable, sustainable solution for large-scale energy storage needs.
Discover Sumitomo Electric''s advanced Vanadium Redox Flow Battery (VRFB) technology - a sustainable energy storage solution designed
The Aquila Capital Tomakomai Solar PV Park – Battery Energy Storage System is a 19,800kW lithium-ion battery energy storage project located in Hokkaido, Hokkaido, Japan.
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Sumitomo Electric has inaugurated a vanadium redox flow battery (VRFB) system at a community solar microgrid in southern Japan. A ceremony was held last month (22 April)
The redox flow (RF) battery, a type of energy storage battery, has been enthusiastically developed in Japan and in other countries since its principle was publicized in
Japan''s Sumitomo Electric is building the first redox flow battery to be approved for government subsidy in the country. The 2 MW/8 MWh facility,
Asian Development Bank
Sumitomo said on March 28 the project for renewables developer Shin-Idemitsu on the island of Kyushu, marks the first redox flow battery to be approved under a grid-scale
Statkraft is evaluating a new flow battery based on table salt to pull more wind and solar power into the grid.
This paper aims to address both the sustainability and environmental issues for cellular base stations in off-grid sites. For cellular
Never run out of power again with the best portable power stations out there, tried and tested by our experts.
The ramp up of battery storage projects in Japan continues apace, aided by growing subsidy avenues and rising volumes on various electricity
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A total of 12 projects totaling 180MW/595.3MWh was awarded 13 billion yen through Tokyo''s FY2024 subsidy for promoting grid-scale battery
Hokkaido, Japan, has deployed one of the world''s largest flow battery systems to store renewable energy from wind and solar. Hokkaido''s
The “Nagasu Power Storage Station,” which received an approximately 322 million yen subsidy through METI''s FY2024 program for supporting BESS, will use redox flow
The government is also reforming its battery energy storage system (BESS) regulations, with batteries set to play an important role in
IN A NUTSHELL 🔋 The Japan Atomic Energy Agency developed a uranium-based rechargeable battery to enhance energy storage solutions. ♻️ This battery utilizes depleted
Sumitomo Electric Industries, Ltd. is pleased to announce that its vanadium redox flow battery (hereinafter "RF battery*1”), together with its
Sumitomo Electric Industries has installed a vanadium redox flow battery at Osaka Metropolitan University as part of a trial to optimize solar use and energy storage with AI. The
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The Xinhua Ushi ESS vanadium flow battery project - termed the world''s largest - is located in Ushi, China.
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