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    Porin Prosessivoiman biovoimalaitos
    31.3.2025 News Power plant news Press releases

    Porin Prosessivoima invests in electric boiler​

    Pohjolan Voima’s subsidiary, Porin Prosessivoima, has made an investment decision for a 60-megawatt electric steam boiler. The boiler will be integrated into Porin Prosessivoima’s existing power plant complex. It ensures and enhance…

    10.2.2025 News Power plant news Press releases

    Pohjolan Voima’s pumped storage power plant project in Kemijärvi advances to environmental impact assessment

    Pohjolan Voima, one of Finland’s largest energy companies, is moving to the environmental impact assessment (EIA) phase in its pumped storage power plant project. A year ago, in February 2024, the company announced it was exploring…

    Melo hydropower plant
    23.1.2025 News Power plant news Press releases

    Melo hydropower plant undergoing major overhaul – both turbines to be refurbished this year​ 

    The refurbishment of the turbines at the Melo hydropower plant, located in the Nokianvirta river in Nokia, part of the Kokemäenjoki water system, has begun ahead of schedule. The decision to start the refurbishment project was made…

    Completion of the overhaul of the turbine at Haapakoski hydropower plant on the Iijoki river
    16.1.2025 News Power plant news Press releases

    Completion of the overhaul of the turbine at Haapakoski hydropower plant on the Iijoki river – Full regulation capacity restored

    The overhaul of the runner of the second turbine at PVO-Vesivoima’s Haapakoski power plant has been completed. Following successful test runs conducted at the beginning of January, the full capacity of both turbines at the pow…

    14.1.2025 News Power plant news Press releases

    ​​Tornionlaakson Voima Oy’s Portimokoski hydropower turbine to undergo major overhaul​ 

    Tornionlaakson Voima Oy’s Portimokoski hydropower plant, located on the Tengeliönjoki River, will undergo a major overhaul in the second half of 2026.  During the overhaul, the original turbine from 1987 will be refurbis…

    Haapakosken vesivoimalaitos
    20.9.2024 News Power plant news Press releases

    Turbine overhaul at the Haapakoski hydropower plant on the Iijoki river

    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.

    12.9.2024 News Power plant news

    Construction of ultracapacitor begins in Iijoki, Kierikki 

    Construction work has commenced on an energy storage project utilising three-megawatt ultracapacitors at PVO-Vesivoima’s Kierikki power plant. This is PVO-Vesivoima’s first project of its kind, piloting energy storage technology tha…

    Maalismaa power plant in the river Iijoki
    4.9.2024 News Power plant news Press releases

    PVO-Vesivoima appeals decisions on stocking and fish stock management obligations for the Iijoki and Kemijoki rivers

    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…

    CEO Sakke Rantala of Tornionlaakson Voima Oy gave a speect to the guestis from TRIWA LIFE project. Finland’s Minister of Agriculture and Forestry Sari Essayah, the King of Sweden and County governor Lotta Finstorp from Sweden attended.
    29.8.2024 News Power plant news

    Speech by the CEO of Tornionlaakson Voima at Portimokoski during the TRIWA LIFE project visit to the Tengeliö River fishways

    On Thursday, August 29, 2024, King Carl XVI Gustaf of Sweden visited the Tengeliö River fishways being built at the Portimokoski power plant of Tornionlaakson Voima in Ylitornio. The visit is part of a broader familiarisation visit…

    Melo hydropower plant
    20.8.2024 News Power plant news Press releases

    Turbines of Melo hydropower plant renovated – PVO-Vesivoima’s investment decision will boost balancing power​

    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…

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