Hanasaari power station

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Hanasaari power station is an operating power station of at least 228-megawatts (MW) in Helsinki, Uusimaa, Finland.


Table 1: Project-level location details

Plant name Location Coordinates (WGS 84)
Hanasaari power station Helsinki, Helsinki, Uusimaa, Finland 60.183678, 24.971562 (exact)

The map below shows the exact location of the power station.

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Unit-level coordinates (WGS 84):

  • Phase B Unit 1, Phase B Unit 2: 60.183678, 24.971562

Project Details

Table 2: Unit-level details

Unit name Status Fuel(s) Capacity (MW) Technology Start year Retired year
Phase B Unit 1 operating coal - bituminous 114 subcritical 1974 2023 (planned)
Phase B Unit 2 operating coal - bituminous 114 subcritical 1977 2023 (planned)

Table 3: Unit-level ownership and operator details

Unit name Owner
Phase B Unit 1 Helsingin Energia [100.0%]
Phase B Unit 2 Helsingin Energia [100.0%]


The Hanasaari A power plant was built in 1960–1967. It was decommissioned in 2000 and dismantled in 2008.[1][2] There is an experimental documentary Hanasaari A by Hannes Vartiainen and Pekka Veikkolainen.[3]

Hanasaari B power plant was built next to Hanasaari A, and was commissioned in 1974 to 1977. Hanasaari B is a coal-fired cogeneration plant producing electricity and heat. The output capacity of the plant is 228 MW of electricity and 445 MW of heat.[4]

In 2014–2018, Helsingin Energia planned to convert Hanasaari B for combustion of biomass.[5] The biomass furnace was being setup alongside one of the existing coal units, which would be kept in reserve in case of emergency.[4] The coal plant was expected to be decommissioned by 2025.[5]

In 2021, the projected retirement was moved forward: According to the new schedule, the plant will be put into reserve operation for the heating season 2022–2023, when the Vuosaari bioheat plant goes into production. By April 2023, the Hanasaari power plant was expected to be closed permanently.[6]

Articles and Resources


  1. "Old Power Station Turns into a Residential Building by ALA Architects". GharExpert.com. 2009-07-01. Retrieved 2010-07-14.
  2. "Tropaion Residential Project, Helsinki, Finland". designbuild-network.com. Net Resources International. Retrieved 2010-07-14.
  3. "Hanasaari A". Finnish Film Foundation. Retrieved 2010-07-14.
  4. 4.0 4.1 "Helsinki Energy considers bio-fuel for Hanasaari power plant," Helsingin Sanomat, February 29, 2009
  5. 5.0 5.1 "Helsinki's Hanasaari B power plant to close down by 2025, Vuosaari to receive new unit". Helsingin Sanomat. 2010-01-13. Retrieved 2010-07-14.
  6. "Helsinki sulkee Hanasaaren voimalaitoksen lähes kaksi vuotta etuajassa – hiilivarasto poistuu katukuvasta," Helen, June 22, 2021

Additional data

To access additional data, including an interactive map of coal-fired power stations, a downloadable dataset, and summary data, please visit the Global Coal Plant Tracker on the Global Energy Monitor website.