Contact details  

Name	Operointi St1 Oy
Country	Finland

Portfolio summary (*)  

The values below are taken from The Wind Power wind farm database. They are not official figures and may differ from the official data.

The 'MW' and 'Turbines' values do not take into account possible co-developments, co-management arrangements or joint ownership. For example, a wind farm in which the company owns a 50% stake is counted here in its entirety.

Role	Winfarms	MW	Turbines
As developer
As operator
As owner

Winfarms  

• Country	Name	DOpOw (**)	Total rated power (kW)	Number of turbines
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland
  Finland

	Databases     Developers (2,693 entries) Operators (2,586 entries) Owners (3,196 entries) All players (5,769 entries) All databases

	Major wind farms Mustilankangas 5-22 (59,4 MW) Peittoonkorpi (54,0 MW) Sarvakangas (48,3 MW) Leipiö (44,9 MW) Halmekangas (38,0 MW) Varevaara 1-2-3-4-5-6-8-9 (24,0 MW) Viinamäki (21,0 MW) Mustilankangas II (20,0 MW) Märynummi (15,0 MW) Mustilankangas 1-4 (13,2 MW) Onkalo 2 (10,4 MW) Jäneskeidas 4-5-6 (9,9 MW) Jäneskeidas 1-2-3 (9,9 MW) Onkalo (9,0 MW) Jäneskeidas 7-8 (6,6 MW) Varevaara 7-10 (6,0 MW) Meri-Pori 11 (3,0 MW)

	Legend #ND: no data (*) : according to The Wind Power database (**) : Developer / Operator / Owner

	Update for this sheet 23 July 2026