NAXT and BLD Power Stations launched Rearth Energy Development, a joint venture that will develop, own, and operate solar power plants and grid-scale battery storage projects, the former’s subsidiary Intellect announced on November 11, 2026.
According to the statement, the new company was established in September 2026. NAXT will handle asset management of the joint venture’s projects. Intellect will support development, engineering, procurement, and construction (EPC), as well as operations and maintenance (O&M).
Rearth Energy Development’s launch follows BLD Power Stations’ first grid-scale battery storage project, an approximately 2MW/8MWh facility in Kumamoto Prefecture, which will also be built by Intellect and managed by NAXT. The asset is expected to be commissioned in June 2027 on land adjacent to a wedding venue owned by its group company BLD WEDDINGS.
METI data shows BLD Power Stations held 34 feed-in-tariff (FIT) certified, mostly solar power plants totaling 33.16MW as of the end of September 2026. The company had developed over 45 projects across technologies also including wind and geothermal, its website shows.
Intellect provides renewable energy and real estate development, EPC, and O&M services. Among other projects, it previously built two solar power plants totaling 2.28MWDC for an offsite PPA supplying a Sotetsu Group shopping mall. Its parent NAXT is focused on asset management.
