Hydropower

More precise control of the discharged volume of water at the Raasakka hydropower plant on the Iijoki river introduces significant energy savings for PVO-Vesivoima.

The Fishheart fishway at PVO-Vesivoima Oy’s Raasakka power plant on the Iijoki River has proved attractive for fish. So far, 112 individual salmon and trout, as well as many other fish species such as river lampreys, have used the…

The modernisation works of the stator of the Raasakka hydropower plant’s second generating unit have begun on the Iijoki river. The investment will strengthen the power plant’s reliable production and control capabilities and is a p…

To celebrate its 80th anniversary, Pohjolan Voima had an open day at the Jumisko hydropower plant in Kemijärvi on Thursday, 29 June 2023. Modern hydropower reconciles electricity production with the needs of nature and people.

Modern hydropower is an essential part oh the nordic electricity system. Modern hydropower involves developing new innovations that are actively used in production. Moden hydropower is a responsible choice for both the environment a…

In June, Natural Resources Institute Finland (Luke) investigates the functionality of a downstream migration route for salmon fry near the Haapakoski hydropower plant on the Iijoki river. The monitoring area also covers the area ups…

The dam bridge of the Melo hydropower plant in Nokia is once again open for bicycle and pedestrian traffic. The renovation work that closed the earth dam for a long time have ended, and the finishing work for the area after the clos…

Installation work for the Kalasydän fishway has started at the Pohjolan Voima power plant in Raasakka, located on the Iijoki river. The new fishway is planned for deployment in June, after the spring floods. The new solution is par…

Kemijoki Oy and PVO-Vesivoima Oy are renewing the operations of Voimalohi Oy, owned jointly by the two companies. In the future, Voimalohi’s scope of operation will expand to cover the development and implementation of actions in…

The hydraulic fishway Fishheart will be in use at the lowermost power plant on the Iijoki river, PVO-Vesivoima Oy’s Raasakka power plant, from 2023 to 2025. The system will be used not only as a migration solution for fish to bypa…