Announced details
Factory power supply, renewable energy use, and decarbonization
Estimated annual generation of approximately 2.76 million kWh, self-consumption of approximately 1.66 million kWh, and surplus electricity of approximately 1.10 million kWh. The system is expected to cover approximately 58% of the plant's annual electricity demand and reduce CO₂ emissions by approximately 1,148 t annually.
A business relationship in which TESS Engineering supplies electricity to KATO WORKS CO.,LTD.'s Gunma Plant. TESS Engineering is our consolidated subsidiary.
Head office: Shinagawa-ku, Tokyo; President and Representative Director: Kato Kimiyasu (加藤公康). The Gunma Plant is located in Ota, Gunma Prefecture. Other company attributes: Not disclosed
Ota, Gunma Prefecture (KATO WORKS CO.,LTD. Gunma Plant)
In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.
Ministry of the Environment, “List of Emission Factors by Electric Utility (for submissions in Reiwa 8 [2026]).” The alternative emission factor by electric utility of 0.000416 t-CO₂/kWh was used to calculate CO₂ reductions.
| Item | Details |
|---|---|
| Names of Products / Services Covered | Supply of renewable electricity through a self-consumption solar power generation system using an on-site PPA model, sale of surplus electricity under the FIP scheme, and provision of environmental value (non-fossil certificates) |
| Counterparty | KATO WORKS CO.,LTD. |
| Counterparty overview | Head office: Shinagawa-ku, Tokyo; President and Representative Director: Kato Kimiyasu (加藤公康). The Gunma Plant is located in Ota, Gunma Prefecture. Other company attributes: Not disclosed |
| Relationship with the Company | A business relationship in which TESS Engineering supplies electricity to KATO WORKS CO.,LTD.'s Gunma Plant. TESS Engineering is our consolidated subsidiary. |
| Launch date | June 2026 (already commenced) |
| Applicable area | Factory power supply, renewable energy use, and decarbonization |
| Location | Ota, Gunma Prefecture (KATO WORKS CO.,LTD. Gunma Plant) |
| Location scale | Generation capacity: 2,269.33 kW; 3,814 Jinko Solar 595 W panels; 20-year supply period |
| Quantitative Effects | Estimated annual generation of approximately 2.76 million kWh, self-consumption of approximately 1.66 million kWh, and surplus electricity of approximately 1.10 million kWh. The system is expected to cover approximately 58% of the plant's annual electricity demand and reduce CO₂ emissions by approximately 1,148 t annually. |
| Source | Ministry of the Environment, “List of Emission Factors by Electric Utility (for submissions in Reiwa 8 [2026]).” The alternative emission factor by electric utility of 0.000416 t-CO₂/kWh was used to calculate CO₂ reductions. |
Items this document does not state (8)
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.To make maximum use of the available rooftop installation space and reduce CO₂ emissions further. It will also eliminate the need for the customer to make an initial investment and contribute to securing a stable power supply over the long term.