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Other Disclosures5074TESS Holdings Co.,Ltd.Construction and Materials

Tokyo Century and TES Holdings Launch Large-Scale Grid-Connected Battery Storage Project in Fukuchiyama, Kyoto Prefecture

A large-scale grid-scale battery storage project in Fukuchiyama, with a limited liability company wholly owned by Tokyo Century serving as the project entity and テス・エンジニアリング responsible for construction, has been launched. A safety prayer ceremony was held on 11 June 2026. Operations are scheduled to begin in June 2028.

Worth reading
62In 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
49.5
MW (output at the transmission end)
Wording
Conditional
How definitive the wording is.

Announced details

Large-scale grid-scale battery storage facility (grid-scale battery storage business)
Applicable field (uses covered by this announcement)

Electricity market operations, expanded adoption of renewable energy, and electricity grid stabilization

Launch dateJune 2028 (scheduled start of operations)
Relationship between the counterparty and the company
TESS Holdings Co.,Ltd.5074
Relationship with the Company

Tokyo Century and TESS Holdings Co.,Ltd. have a capital and business alliance. A limited liability company wholly owned by Tokyo Century will serve as the project entity, while テス・エンジニアリング will handle the EPC work on a turnkey basis.

Counterpartyテス・エンジニアリング株式会社 (a consolidated subsidiary of TESS Holdings Co.,Ltd.)

Head office: Shin-Osaka Prime Tower, 6-1-1 Nishinakajima, Yodogawa-ku, Osaka 532-0011; Representative Director and President: Takasaki Toshihiro (髙崎敏宏); established: May 1979; capital: ¥100 million. The company provides EPC and O&M services for energy-saving and renewable energy facilities, and owns and operates renewable energy power plants and sells the electricity they generate.

Location (as indicated in this announcement)

Fukuchiyama, Kyoto Prefecture

49,500 kW output at the transmission end; storage capacity of 209,235 kWh (5,365 kWh × 39 units)
Impact on Business Performance

The company plans to generate revenue through operations in the electricity market, but the specific impact on earnings is Not disclosed

The company does not address Contract Value / Offering price.

Announced details
ItemDetails
Names of Products / Services CoveredLarge-scale grid-scale battery storage facility (grid-scale battery storage business)
Counterpartyテス・エンジニアリング株式会社 (a consolidated subsidiary of TESS Holdings Co.,Ltd.)
Counterparty overviewHead office: Shin-Osaka Prime Tower, 6-1-1 Nishinakajima, Yodogawa-ku, Osaka 532-0011; Representative Director and President: Takasaki Toshihiro (髙崎敏宏); established: May 1979; capital: ¥100 million. The company provides EPC and O&M services for energy-saving and renewable energy facilities, and owns and operates renewable energy power plants and sells the electricity they generate.
Relationship with the CompanyTokyo Century and TESS Holdings Co.,Ltd. have a capital and business alliance. A limited liability company wholly owned by Tokyo Century will serve as the project entity, while テス・エンジニアリング will handle the EPC work on a turnkey basis.
Launch dateJune 2028 (scheduled start of operations)
Applicable areaElectricity market operations, expanded adoption of renewable energy, and electricity grid stabilization
LocationFukuchiyama, Kyoto Prefecture
Location scale49,500 kW output at the transmission end; storage capacity of 209,235 kWh (5,365 kWh × 39 units)
Impact on Business PerformanceThe company plans to generate revenue through operations in the electricity market, but the specific impact on earnings is Not disclosed
Items this document does not state (9)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateQuantitative EffectsUsage historySource

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 generate revenue through operations in the electricity market and contribute to grid stability, which is essential for expanding the adoption of renewable energy. The project will also accelerate the development of a value chain in the environmental infrastructure business, the objective of the capital and business alliance.

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Tokyo Century and TES Holdings Launch Large-Scale Grid-Connected Battery Storage Project in Fukuchiyama, Kyoto Prefecture | TESS Holdings Co.,Ltd. (5074) timely disclosure | Komori