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Groundbreaking ceremony for Sumitomo Electric's VRFB project in Kashiwazaki, Niigata, Japan. Image: Sumitomo Electric

US-headquartered GSSG, Vision Ridge, launch Japan BESS developer with US$400 million committed

July 16, 2025
Two US-headquartered solar and sustainability-focused investors have launched GSSG Chikuden, a utility-scale battery storage developer, in Japan.
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.
The projects will utilise system integrator NHOA's BESS solution, as rendered above. Image: Eku Energy

Macquarie-backed Eku Energy closes first Japan battery storage project with Tokyo Gas offtake contract

April 24, 2024
Battery storage developer Eku Energy has partnered with utility Tokyo Gas on a grid-scale energy storage project in Japan, with construction expected to start soon.

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