Announced details
Second grid-scale battery storage project. The first project began commercial operations in April 2026.
Aggregator responsible for operating and controlling battery storage facilities. The company also provides contracted operation of batteries owned by other companies.
Shibayama Town, Sanbu District, Chiba Prefecture
The company says the project will contribute to expanding its aggregation business and creating revenue opportunities, but has not disclosed an amount.
The company does not address Contract Value / Offering price.
The Seventh Basic Energy Plan
| Item | Details |
|---|---|
| Names of Products / Services Covered | Chiba Sanbu District Battery Storage Facility, Aggregation business, Grid-scale battery storage aggregation services |
| Relationship with the Company | Aggregator responsible for operating and controlling battery storage facilities. The company also provides contracted operation of batteries owned by other companies. |
| Launch date | 20 October 2026 (commercial operations commenced; actual) |
| Applicable area | Stabilization of the electricity supply-demand balance, Stable operation of the power grid, Expanded deployment and use of renewable energy |
| Location | Shibayama Town, Sanbu District, Chiba Prefecture |
| Location scale | Rated output: 1,989.6kW, Rated capacity: 8,147kWh, Site area: 1,014㎡ |
| Usage history | Second grid-scale battery storage project. The first project began commercial operations in April 2026. |
| Impact on Business Performance | The company says the project will contribute to expanding its aggregation business and creating revenue opportunities, but has not disclosed an amount. |
| Source | The Seventh Basic Energy Plan |
Items this document does not state (9)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.The importance of battery storage and aggregation businesses is increasing as the deployment of renewable energy expands. These businesses also contribute to optimizing the balance between electricity supply and demand, stabilizing the power grid, and creating revenue opportunities.