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LDR-50 — Helsinki District Heating

Developer
Steady Energy / Keravan Energia
Capacity
50 MWe
Last updated
4/27/2026

Project overview

Reactor type
PWR
Announced
6/1/2023
Projected operational
12/31/2030

Notes

Steady Energy has a signed agreement with Keravan Energia for LDR-50 deployment targeting the greater Helsinki region. Finland's STUK nuclear regulator found the LDR-50 concept can meet safety requirements in its preliminary assessment. The Helsinki metropolitan area has one of Europe's most developed district heating networks, making it an ideal first commercial deployment site. Steady Energy targets first commercial plant operation by 2030.

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