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Steady Energy

Helsinki, Finland
Active
Small nuclear power reactor (shipping container sized)

Company overview

Founded
2023
Total funding
10.5 million EUR
Technology
Small nuclear power reactor (shipping container sized)

About

Steady Energy is a Finnish small nuclear power developer building a pilot plant in Salmisaari, Helsinki. Received €10.5 million loan from Business Finland in June 2026. The reactors are the size of a shipping container and can be built underground in cities. The pilot facility is being built in the turbine hall of Salmisaari B coal-fired power plant.

Key investors

Business Finland

Projects developed by Steady Energy

LDR-50 CityHeat — Finland
🇫🇮Finland
Planning
50 MWe
LDR-50 — Helsinki District Heating
🇫🇮Finland
Planning
50 MWe
LDR-50 — Kuopio District Heating
🇫🇮Finland
Planning
50 MWe
Steady Energy Helsinki Pilot
🇫🇮Finland
Planning
50 MWe
Steady Energy LDR-50
🇫🇮Finland
Planning
0 MWe

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