3522 3 522

Completed projects

104059563 104 059 563

Energy savings (kWh)

121707133 121 707 133

Saved CO₂ (kg)

19802961 19 802 961

Savings for clients (€)

Smart energy solutions

Diotech accelerates the society’s transformation to carbon neutral energy production and consumption.

Service categories

Service categories

Diotech Nord

Lighting services

Diotech Electric

Electrical construction and design

Solar power solutions

Energy services

Operation and maintenance services

News

13.07.2026

Estonia has the potential to become a European center of excellence for battery technologies

11.06.2026

Aktuaalne Kaamera news – Zirgu Bess

11.06.2026

Project Zirgu BESS 3D views

10.06.2026

Tsirguliina battery energy storage plant will be the first BESS with key components produced solely in Europe

10.06.2026

Diotech and Zirgu BESS team met with Estonian Prime Minister Kristen Michal

16.02.2026

Major Milestone for Estonia’s Energy Sector as Largest Domestic Battery Energy Storage System project breaks ground

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