News

Pohjolan Voima, one of Finland’s largest energy companies, is investigating the possibility of building a pumped-storage power station in the area of Lake Kemijärvi. Pumped-storage power stations are used in the mountain regions…

PVO-Vesivoima Oy and Caverion continue their partnership. Caverion will continue to be responsible for the operation and maintenance of PVO-Vesivoima’s hydropower plants on the Iijoki and Kemijoki rivers and Melo hydropower plant on…

Fly ash generated by the Kaukaan Voima power plant in Lappeenranta has been granted the status of a by-product used for deep stabilisation and as a forest fertiliser by the Centre for Economic Development, Transport and the Environm…

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…

PVO-Vesivoima, a subsidiary of Pohjolan Voima Oyj, has decided to invest in a 3 MW ultracapacitor energy storage project. Based at the Kierikki hydropower plant along the river Iijoki, the project will be a first for PVO-Vesivoima a…

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…

Rauman Biovoima Oy is advancing the reuse of ash created in energy production. In a ten-year circular economy project, the Sampaanalanlahti bay port basin is being filled with a mass that contains ash created at the Rauman Biovoima…

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…