Ichigo began commercial operations of its first grid-scale battery storage project, the 1.9MW/8.9MWh Ichigo Onjuku Iwawada ECO Power Storage Station, on June 1, 2026, the company announced on the same day.
According to the statement, the facility was built on a 326m2 site in Onjuku Town, Chiba Prefecture. It uses Huawei battery systems.
When presenting its results for the fiscal year ended February 2026, Ichigo reported that it plans to develop five grid-scale battery assets totaling 177.6MWh. It said it expects the total investment in the projects to reach 10.8 billion yen, suggesting a cost of 60.8 million yen per MWh installed.
Prior to its entry into storage, Ichigo’s activities in the energy industry focused on renewable generation. As of the end of February 2026, the company’s portfolio included 63 solar power plants totaling 180.8MW, including 15 held through its listed infrastructure fund Ichigo Green Infrastructure Investment Corporation, and one 7.3MW wind asset across nine of Japan’s 10 TSO areas, excluding Hokuriku.
Ichigo expanded into clean energy in 2010 after being established as a real estate firm in 2000. It set up Ichigo ECO Energy in 2012 and has raised more than 15 billion yen through green bonds and loans to build its current portfolio. The company also plans to enter into biomass generation with four projects totaling 3.2MW that will use locally sourced fuel.
