3385 3 385

Completed projects

100018803 100 018 803

Energy savings (kWh)

116981097 116 981 097

Saved CO₂ (kg)

19033988 19 033 988

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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