Topcon Yamagata Building No. 3 / Achieves ZEB (Net Zero Energy Building) Certification (Japan)

April 17, 2026

Building No. 3, a factory owned by Topcon Yamagata (Yamagata City, Yamagata Prefecture), the core manufacturing site of the Topcon Group, has achieved ZEB (Net Zero Energy Building) certification through state-of-the-art architectural design aimed at reducing environmental impact.

ZEB Certification Panel (BELS Rating) at Topcon Yamagata Building No. 3 (Factory)

What is ZEB?

ZEB (pronounced “zeb”) is an abbreviation for Net Zero Energy Building. It refers to a type of building designed to achieve net zero energy consumption by reducing the amount of energy used within the building while maintaining a comfortable indoor environment.

Source: Ministry of the Environment, Japan
https://www.env.go.jp/earth/zeb/about/index.html

Rooftop greening at Topcon Yamagata Building No. 3 (Factory).
Solar panels are installed on Building No. 2.

Environmentally Conscious Facilities at Topcon Yamagata

In addition to obtaining ZEB certification for Building No. 3, Topcon Yamagata is promoting the reduction of CO₂ emissions and sustainable factory operations through the following initiatives:

Through these facilities and measures, Topcon Yamagata is achieving a balance between environmentally responsible practices and efficient production activities.

Related Materials: About ZEB (Net Zero Energy Building) (Ministry of the Environment, Japan) https://www.env.go.jp/earth/zeb/about/index.html

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