Meny

An energy company that is deeply rooted in the Ostrobothnian region

How can I tell if my green electricity or wind power electricity really comes from renewable sources?

See the answer to this and other frequently asked questions here.

customer-service

Our customer service is here to help

Regardless of whether you are already our customer or thinking of becoming one, do not hesitate to contact us.

Pietarsaari

Kauppiaankatu 10, 68600 Pietarsaari

Front desk: WED-FRI 09.00-16.00

Open: MON-FRI 09.00-16.00

Telephone service: MON-FRI 09.00-16.00

Switchboard

(06) 781 5300

Invoicing

(06) 781 5312

Ylivieska

Tulolantie 21, 84100 Ylivieska

Open: TUE-THU 09.00-11.00 & 12.00-15.00

Telephone service: MON-FRI 09.00-16.00

Switchboard: 

(08) 411 0400

Invoicing:

(08) 411 0401

An energy company that is deeply rooted in the Ostrobothnian region

Oy Herrfors Ab is part of Katternö Group, an energy company that is deeply rooted in the Ostrobothnian region extending from Vörå in the south to Alavieska in the north.

Herrfors produces electricity that is adapted to our customers’ needs. Whether you are a private consumer or represent a larger industry, Herrfors offers products designed according to your needs.

We produce electricity at our seven hydroelectric power stations in the rivers of Esse, Perho and Kimo, and at the power plants we jointly own with Pohjolan Voima, Alholmens Kraft, Kanteleen Voima and EPV Energia.