Hydropower plants on the river Kymi

The hydropower plants on the river Kymi are located in Ahvenkoski, Mankala, Klåsarö and Ediskoski.

The output of old plants is upgraded with new technology.

  • What: electricity
  • What from: hydro power
  • Where: in Ahvenkoski, Mankala, Kåsarö and Ediskoski
  • When: built in 1931–1990
  • How much: 60 MW


See also

Power plants

Our power plants are located in various parts of Helsinki. Find out more about our power plants!

Vuosaari power plants

Hanasaari power plant

Salmisaari power plant

Heating plants

Katri Vala heating and cooling plant

Esplanade heating and cooling plant

Kellosaari reserve power plant