Hydropower

The transport of lamperns, also known as river lampreys, in the rivers Iijoki and Kemijoki concluded in October. Every year in both rivers, migrating lamperns are caught downstream from power plants and moved upstream of the plants…

With the municipalities of Pello and Ylitornio, Tornionlaakson Voima Oy has received permission from the Regional State Administrative Agency for Northern Finland to build two natural fishways at Portimokoski rapids. The by-pass cha…

The modernisation works of the stator of PVO-Vesivoima Oy’s Raasakka hydropower plant’s second generating unit have been completed and the generating unit is again in operation on the Iijoki river. The replacement investment will en…

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…