Tokyo Energy Storage Base Station Project

Where is Korea's energy storage facility located?

The Korean electrical equipment and automation systems company announced yesterday (14 April) that it will deploy the large-scale standalone energy storage facility in Watari, a largely agricultural town on the Pacific coast in Miyagi Prefecture, about 330km northeast of the Japanese capital, Tokyo.

Can EKU energy commercialise large-scale batteries in Japan?

For Eku Energy, the LTDA is important to the business model of its Japanese projects but the developer, perhaps best known for projects in the UK and Australia, sees three pathways to commercialisation for large-scale batteries in Japan. The company secured a 20-year tolling agreement for its first Japan project, the 30MW/120MWh Hirohara BESS.

How much does Tokyo's FY2024 subsidy cover?

The subsidy covers up to 2 billion yen per project. A total of 12 projects totaling 180MW/595.3MWh was awarded 13 billion yen through Tokyo’s FY2024 subsidy for promoting grid-scale battery storage, the metropolitan government’s document released in February 2025 shows.

Where in Japan will a solar power plant be built?

Geographically, three of the projects will be built in Ibaraki Prefecture, two in Kanagawa, Chiba, and Tochigi each, and one in Tokyo, Saitama, and Gunma each. As Japan works to expand battery storage amid growing solar and wind capacity, METI also runs a similar subsidy scheme at the national level.