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Other Disclosures5074TESS Holdings Co.,Ltd.Construction and Materials

[On-site PPA] Renewable electricity supply to Toyo Seikan Co., Ltd.’s Osaka Plant commenced

テス・エンジニアリング began supplying renewable electricity to Toyo Seikan Co., Ltd.'s Osaka Plant in March 2026 using a solar power generation system installed on the roof of Toyo Mebius Co., Ltd.'s Osaka Branch.

Worth reading
73In focus
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
536.69
kW (generation capacity)
Wording
Conditional
How definitive the wording is.

Announced details

Renewable electricity supply under an on-site PPA model, a self-consumption solar power generation system, and storage batteries
Applicable field (uses covered by this announcement)

Self-consumption of electricity at factories, decarbonization, and business continuity planning (BCP) measures

Launch dateMarch 2026 (actual)
What the company reported numerically
Quantitative Effects

Estimated annual generation of approximately 660,000 kWh and estimated annual CO₂ emissions reductions of approximately 276 t-CO₂

Relationship between the counterparty and the company
TESS Holdings Co.,Ltd.5074
Relationship with the Company

A transaction under which テス・エンジニアリング supplies electricity to Toyo Seikan Co., Ltd.'s Osaka Plant and installs, owns, and maintains the power generation system on the roof of Toyo Mebius Co., Ltd.'s Osaka Branch. テス・エンジニアリング is a consolidated subsidiary of the Company.

CounterpartyToyo Seikan Co., Ltd. (Osaka Plant), Toyo Mebius Co., Ltd. (Osaka Branch)

Toyo Seikan Co., Ltd.: Manufacture and sale of packaging containers and related businesses. Head office: Shinagawa-ku, Tokyo. President: Takebe Yasumitsu (武部安光). The location, representative, business activities and other details of Toyo Mebius Co., Ltd. are Not disclosed.

Location (as indicated in this announcement)

Izumisano, Osaka Prefecture (Toyo Mebius Co., Ltd.'s Osaka Branch)

Generation capacity: 536.69 kW; 902 solar modules rated at 595 W each; 2 storage batteries rated at 15 kWh each

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

Ministry of the Environment, “List of Emission Factors by Electricity Utility (for submissions in 2026).” CO₂ emissions reductions were calculated using the substitute value for the electricity utility-specific emission factor of 0.000416 t-CO₂/kWh.

Announced details
ItemDetails
Names of Products / Services CoveredRenewable electricity supply under an on-site PPA model, a self-consumption solar power generation system, and storage batteries
CounterpartyToyo Seikan Co., Ltd. (Osaka Plant), Toyo Mebius Co., Ltd. (Osaka Branch)
Counterparty overviewToyo Seikan Co., Ltd.: Manufacture and sale of packaging containers and related businesses. Head office: Shinagawa-ku, Tokyo. President: Takebe Yasumitsu (武部安光). The location, representative, business activities and other details of Toyo Mebius Co., Ltd. are Not disclosed.
Relationship with the CompanyA transaction under which テス・エンジニアリング supplies electricity to Toyo Seikan Co., Ltd.'s Osaka Plant and installs, owns, and maintains the power generation system on the roof of Toyo Mebius Co., Ltd.'s Osaka Branch. テス・エンジニアリング is a consolidated subsidiary of the Company.
Launch dateMarch 2026 (actual)
Applicable areaSelf-consumption of electricity at factories, decarbonization, and business continuity planning (BCP) measures
LocationIzumisano, Osaka Prefecture (Toyo Mebius Co., Ltd.'s Osaka Branch)
Location scaleGeneration capacity: 536.69 kW; 902 solar modules rated at 595 W each; 2 storage batteries rated at 15 kWh each
Quantitative EffectsEstimated annual generation of approximately 660,000 kWh and estimated annual CO₂ emissions reductions of approximately 276 t-CO₂
SourceMinistry of the Environment, “List of Emission Factors by Electricity Utility (for submissions in 2026).” CO₂ emissions reductions were calculated using the substitute value for the electricity utility-specific emission factor of 0.000416 t-CO₂/kWh.
Items this document does not state (8)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateUsage historyImpact on Business Performance

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 support customers' decarbonization needs and business continuity planning (BCP) measures. Customers are not required to make an initial investment related to the installation of the solar power generation system.

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[On-site PPA] Renewable electricity supply to Toyo Seikan Co., Ltd.’s Osaka Plant commenced | TESS Holdings Co.,Ltd. (5074) timely disclosure | Komori