Suomen Voima generates electricity at the Mäkelänkangas wind park in Hamina as well as through its holdings in Jyväskylän Voima Oy, Kanteleen Voima Oy, and its subsidiary Puhuri Oy.

In addition, the company is involved in Fennovoima Oy via Voimaosakeyhtiö SF.

Suomen Voima is a shareholder in SV Hydro Power Ltd, which owns small-scale hydropower production in Norway.