Komori
Other Disclosures5074TESS Holdings Co.,Ltd.Construction and Materials

Delivered a solar power generation system for Hitachi Construction Machinery Co.,Ltd.'s Kasumigaura Plant

Tess Engineering, a consolidated subsidiary, delivered a solar power generation system to Hitachi Construction Machinery Co.,Ltd.'s Kasumigaura Plant, completing delivery in February 2026. All electricity generated is expected to be consumed on-site at the plant.

Worth reading
76Important
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Direction
Improvement
Direction inferred from the company’s description.
Scale
1501.26
kW
Wording
Conditional
How definitive the wording is.

Announced details

Solar power generation system
Applicable field (uses covered by this announcement)

On-site power generation for factory consumption, renewable energy, and CO₂ emissions reduction

Launch dateFebruary 2026 (delivery date; completed)
What the company reported numerically
Quantitative Effects

Estimated annual generation: approximately 1.81 million kWh; expected to meet approximately 6.2% of the plant's annual electricity demand; estimated CO₂ emissions reduction: approximately 753 t-CO₂ per year

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

Tess Engineering delivered a solar power generation system for Hitachi Construction Machinery Co.,Ltd.'s Kasumigaura Plant. Tess Engineering is a consolidated subsidiary of the Company.

CounterpartyHitachi Construction Machinery Co.,Ltd.

Head office: Taito-ku, Tokyo; Representative Executive Officer, President and COO: Senzaki Masafumi (先崎正文); Kasumigaura Plant location: Kasumigaura, Ibaraki Prefecture. No business description is provided.

Registration number and expiry date

Low-profile mounting system: Registered Trademark No. 6052650. Expiration date: Not disclosed

Location (as indicated in this announcement)

Kasumigaura, Ibaraki Prefecture (Hitachi Construction Machinery Co.,Ltd.'s Kasumigaura Plant)

Generation capacity: 1,501.26 kW; 2,292 solar panels rated at 655 W 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 Retailer (for Reiwa 8 submissions).” The alternative emission factor of 0.000416 t-CO₂/kWh for electricity retailers was used to calculate the CO₂ reduction.

Announced details
ItemDetails
Names of Products / Services CoveredSolar power generation system
CounterpartyHitachi Construction Machinery Co.,Ltd.
Counterparty overviewHead office: Taito-ku, Tokyo; Representative Executive Officer, President and COO: Senzaki Masafumi (先崎正文); Kasumigaura Plant location: Kasumigaura, Ibaraki Prefecture. No business description is provided.
Relationship with the CompanyTess Engineering delivered a solar power generation system for Hitachi Construction Machinery Co.,Ltd.'s Kasumigaura Plant. Tess Engineering is a consolidated subsidiary of the Company.
Launch dateFebruary 2026 (delivery date; completed)
Applicable areaOn-site power generation for factory consumption, renewable energy, and CO₂ emissions reduction
Registration number and expiry dateLow-profile mounting system: Registered Trademark No. 6052650. Expiration date: Not disclosed
LocationKasumigaura, Ibaraki Prefecture (Hitachi Construction Machinery Co.,Ltd.'s Kasumigaura Plant)
Location scaleGeneration capacity: 1,501.26 kW; 2,292 solar panels rated at 655 W each
Quantitative EffectsEstimated annual generation: approximately 1.81 million kWh; expected to meet approximately 6.2% of the plant's annual electricity demand; estimated CO₂ emissions reduction: approximately 753 t-CO₂ per year
SourceMinistry of the Environment, “List of Emission Factors by Electricity Retailer (for Reiwa 8 submissions).” The alternative emission factor of 0.000416 t-CO₂/kWh for electricity retailers was used to calculate the CO₂ reduction.
Items this document does not state (7)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyUsage 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 address challenges including the roof's load-bearing constraints, construction constraints associated with the waterproof-sheet method, and the need to ensure electrical equipment safety at a hydraulic equipment plant.

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Delivered a solar power generation system for Hitachi Construction Machinery Co.,Ltd.'s Kasumigaura Plant | TESS Holdings Co.,Ltd. (5074) timely disclosure | Komori