Hexa Energy Service to build 49.7MW grid-scale battery storage plant in Fukushima, secures long-term offtake with Tokyo Gas
Power & energyFukushimapower-gridrenewable-energy
Hexa Energy Service, a Japan-based unit of I Squared Capital, has signed a 20-year long-term offtake agreement with Tokyo Gas for a grid-scale battery storage facility it is developing in Fukushima Prefecture. Hexa will develop, own and maintain the facility while Tokyo Gas will operate it, trading in electricity markets; commercial operation is planned for FY2029.
HARE晴れ has started operating a solar power plant in Kitahiroshima, Hokkaido, developed under an off-site PPA to supply renewable electricity to 14 Skylark Holdings-owned and operated restaurants. The facility has approximately 360 kW of output and expected annual generation of approximately 490,000 kWh, reducing CO2 emissions by about 250 tonnes annually.
GS Yuasa will develop a new manufacturing plant for stationary energy storage systems in Ibaraki Prefecture under its Ministry of Economy, Trade and Industry-approved battery supply security plan. The facility is scheduled to begin supply in October 2028, with production spanning domestically made lithium-ion battery cells through control systems.
Kansai Electric has begun commercial operation of the Borkum Riffgrund 3 offshore wind power project in Germany, in which it participates alongside Gremont Partners and other investors. The offshore facility comprises 83 wind turbines located approximately 70 km from the coast, with total capacity of 913 MW.
Reene Energy and Appletree will jointly develop a grid-connected battery storage facility in Kakegawa, Shizuoka, to store surplus renewable electricity and discharge it during evening demand peaks. Reene Energy will own and operate the facility, while Appletree will provide EPC services; construction is scheduled to start in October 2026, with operations targeted during FY2027.
Kyushu Electric Power has submitted a project-stage environmental consideration document for the planned new Shimousen-Matsubara pumped-storage hydroelectric power station. The submission marks an early planning and environmental-assessment stage; investment cost, capacity and construction schedule were not disclosed in the source.