Hirasol Energy Launches New Energy Storage Facility in Kaga City
On April 1, 2026, Hirasol Energy Company, based in Bunkyo, Tokyo, announced the successful operation of a new energy storage facility in Bunko Town, Kaga City, Ishikawa Prefecture. This site, boasting a capacity of approximately 2MW and 4MWh, marks a significant step in enhancing grid stability and optimizing the use of renewable energy.
Background and Importance
As the integration of renewable energy sources skyrockets, the necessity for reliable grid stability has become increasingly critical. The newly inaugurated facility will provide necessary adjustment capacity through the demand-supply adjustment market, helping promote further adoption of renewable energy while ensuring a steady power grid.
Facility Overview
- - Aggregator: Hirasol Energy Co., Ltd.
- - Design/Construction: Hirasol Densetsu Co., Ltd.
- - Facility Name: Kaga City Bunko Town Energy Storage Facility
- - Location: Bunko Town, Kaga City, Ishikawa Prefecture
- - Grid Connection Date: April 1, 2026
- - Facility Owner: SGB001 LLC
Battery Specifications
- - Output: Approximately 2MW
- - Capacity: Approximately 4MWh
- - Transformation Equipment: 1 WIN Corporation BS Series
Hirasol Energy’s Key Actions
Design and Construction
The design and construction of this new facility have been expertly handled by our wholly-owned subsidiary, Hirasol Densetsu Co., Ltd. The team focused on safety and maintainability throughout the design phase and grid interconnection, adapting flexibly to site conditions while ensuring stable operation through in-house engineering management.
Implementation of J-EMS Energy Management System
At the core of the operational efficiency of this facility is our proprietary energy management system, J-EMS. This innovative system optimally controls the charging and discharging of batteries, leveraging cloud-based predictive tools that accurately forecast demand and market pricing. J-EMS allows participation in multiple markets, including wholesaling and demand-supply adjustments, enabling seamless integration and real-time command of on-site equipment. This system not only maximizes returns from both storage and generation facilities but also supports stable utilization of renewable resources while contributing to CO₂ reduction efforts.
Future Prospects
Relying on the robust framework of our unique energy management system, we plan to commence operations as an aggregator in the demand-supply adjustment market by the end of the year. Our continued development and deployment of this management system will bolster efforts across various energy storage projects nationwide, significantly advancing the adoption of renewable energy and the stabilization of electricity grids.
Conclusion
Hirasol Energy aims to pave the way for a sustainable energy future with innovative solutions that prioritize renewable energy integration, grid stability, and market optimization. As we embark on this journey, we remain committed to enhancing the reliability and efficacy of our energy systems, driving meaningful progress in the renewable energy sector.