【SMM News Flash】HEXA Announces 50 MW Oyabe Battery Project, Targets May 2028 Start

Published: Oct 09, 2026 12:02 (GMT+8)

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On October 8, HEXA Energy Services and Oyabe City in Japan’s Toyama Prefecture held a joint briefing on a grid-scale battery project in Ishinada. The facility will have 50 MW of AC export capacity and is scheduled to begin commercial operation in May 2028. Shirokuma Power will provide balance-of-plant EPC services.

The project secured an award in Japan’s first Long-Term Decarbonization Power Source Auction. A pre-construction ceremony took place on September 6. The battery will charge during renewable electricity surpluses and discharge during shortages.

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