The other 50% stake in the project belongs to renewable energy project developer Progression Energy.

The project is at early development stage and the site has been identified as ideal for floating wind and near good grid connections. Financial details were not disclosed.

Japan aims to expand its offshore wind energy capacity to 10 gigawatts by 2030 and to 30-45 GW by 2040 and plans auctions of areas for offshore floating wind.

(Reporting by Nina Chestney; editing by Jason Neely)