Vaasan Sähkö is an energy group whose businesses are electricity sales, electricity transmission and district heating. The group includes the parent company Vaasan Sähkö Oy and the subsidiaries Vaasan Sähkö Myynti Oy and Vaasan Sähköverkko Oy.
Vaasan Sähkö Myynti sells electricity throughout mainland Finland. Vaasan Sähkö sells district heating in Vaasa and Mustasaari. Vaasan Sähköverkko is responsible for electricity transmission in the Vaasa region and for developing electricity distribution.