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Saft will install, commission and operate the BESS for Phase One of the project in Fukushima, northeast Japan. Image: Saft

Japan: Gurin Energy picks technology provider for first phase of 2GWh battery storage project

June 13, 2025
Renewable energy developer Gurin Energy has appointed Saft as the technology provider to a gigawatt-hour-scale battery energy storage system (BESS) in Japan.
Sumitomo Electric's 4.5-hour duration flow battery system in Minamikyushu City, Japan. Image: Sumitomo Electric

Sumitomo Electric deploys first vanadium flow battery for a community microgrid in Japan

May 30, 2025
Sumitomo Electric has inaugurated a vanadium redox flow battery (VRFB) system at a community solar microgrid in southern Japan.
Close-up of the Toho Gas NAS battery project in Mie prefecture, Japan. Image: Toho Gas.

NGK sodium-sulfur batteries deployed at 70MWh Japan project, picked for pilot by US utility Duke Energy

May 27, 2025
Japanese manufacturer NGK Insulators’ proprietary battery tech features in a large-scale project that has just come online in its home country, as a pilot begins in the US.
NTT Anode Energy's 2MW/10MWh Saitama Miyoshi BESS project, which went into commercial operation in April. Image: NTT Anode Energy

Japanese telecoms giant NTT launches energy storage business, brings online three BESS projects

May 27, 2025
A ‘smart energy’ subsidiary of Japan’s biggest telecommunications company, NTT, has launched an energy storage plant services division.
BESS units manufactured by Japanese company PowerX at OLY Powerstorage Midoricho, another project for which electricity market participation is managed by KEPCO subsidiary E-Flow, for customer Olympia. Image: Olympia / PowerX

Japan: Electric utilities KEPCO, Kyuden, make progress in emerging battery storage market

May 12, 2025
Regional electric utility companies in Japan are playing key roles in the delivery of battery energy storage system (BESS) resources.
Rendering of Eku Energy's 150MW/600MWh Eshi BESS project in Okayama, Japan. Image: Eku Energy

Japan: 1.3GW of battery storage contract awards in LTDA capacity auction

April 30, 2025
A total of 26 battery energy storage projects in Japan have been selected for contracts through the Long-Term Decarbonisation Power Source Auction (LTDA) for 2024.
Close-up of BESS containers at an LS Electric project. Image: LS Electric.

LS Electric to deploy 90MWh BESS in Japan after winning Tokyo Metropolitan Government tender

April 15, 2025
LS Electric will deploy a 20MW/90MWh battery storage system in Japan after it was awarded the contract through a competitive solicitation.
Rendering of how the completed project in Kyushu, Japan, may look. Image: IDEX

Sumitomo Electric deploys first vanadium flow battery supported by government scheme in Japan

March 31, 2025
Sumitomo Electric has followed up the US launch of its newest vanadium redox flow battery (VRFB) technology, announcing a deal in Japan.
Image: Billion Watts Technologies.

Billion Watts Technologies completes 262MWh frequency response market BESS in Taiwan

March 13, 2025
Billion Watts Technologies, the solar and energy storage subsidiary of Taiwan’s Billion Electric, has completed a 64MW/262.43MWh battery energy storage system (BESS) in central Taiwan.
Sungrow and Sun Village representatives at the contract signing in Tokyo, Japan. Image: Sungrow.

Sungrow to deploy 500MWh BESS ‘across Japan’ with developer Sun Village

February 27, 2025
Sungrow has agreed to supply ‘approximately’ 500MWh of battery storage technology to Sun Village, a Japanese solar PV project developer.

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