Press releases

One of the two turbines at PVO-Vesivoima’s Haapakoski hydropower plant will undergo a major overhaul during autumn 2024. The work has commenced today and is expected to be completed by the end of the year.

PVO-Vesivoima is seeking a change from the Vaasa Administrative Court regarding the decisions made by the Regional State Administrative Agency for Northern Finland on the stocking and fish stock management obligations for the Iijoki…

Located at Nokianvirta on the Kokemäenjoki river in Nokia, both turbines of the Melo hydropower plant are to be renovated. PVO-Vesivoima made an investment decision on the renovation. Scheduled to start in June 2025, the project wi…

The automation systems of Rauman Biovoima’s combined heat and power plant will be modernised in phases. In the first phase, the controls and regulators of the fuel conveyors will be replaced. The new equipment will be commissioned…

PVO-Vesivoima and the University of Oulu have jointly developed a completely new type of turbine governor that can regulate the electricity production of hydropower plants significantly more accurately than before. In addition to ac…

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…