Go to content
  • fi
  • en
    • Contacts
    Pohjolan Voima
    • Home
    • Decisive Power
      • Carbon neutrality
      • Digitality
      • Balancing power
      • Top expert in asset management
    • Sustainability
      • Sustainability programme
      • Sustainable development goals
      • Management of sustainability
      • Climate work
      • Biodiversity
      • Emissions
      • Water environment
      • Energy efficiency
      • Circular economy
      • Cooperation
      • Inspiring workplace
    • Energy production
      • Production in 2024
      • Power plants
      • Hydropower
      • Thermal power
      • Nuclear power
      • Asset management
    • About us
      • Strategy
      • Organisation
      • Responsibility principles
      • Our story
      • About our personnel
    • Investors
      • Financing
      • Key figures
      • Financial publications
      • Financial calendar
      • Investor contacts
    • Newsroom

    Hydropower

    • Main page
    • /
    • Newsroom
    • /
    • Aiheet
    • /
    • Hydropower
    • /
    • Page 4
    • /
    The first bored pile wall used to seal an earth dam in Finland is being constructed at the Melo hydropower plant.
    27.9.2022 News Press releases

    ​​Melo hydropower to have the first bored pile wall constructed in an earth dam in Finland

    The first bored pile wall used to seal an earth dam in Finland is being constructed at the Melo hydropower plant. The dam, located on the Kokemäenjoki river in Nokia, will be repaired using nearly 200 bored piles. The project invol…

    Downstream migration route for smolt at Haapakoski
    13.9.2022 News

    Introduction of downstream migration route for smolt at Haapakoski celebrated in Kierikki

    This summer, Finland’s first downstream migration route with catching equipment for migratory salmon has been introduced at Haapakoski rapids on the Iijoki river. The downstream migration route was implemented as part of the exten…

    Raasakka hydropower plant
    25.8.2022 News Press releases

    Investment made in Raasakka hydropower plant to upgrade power plant machinery and increase production reliability

    The stator of the Raasakka hydroelectric power plant’s second generating unit will be replaced in 2023. The investment is part of PVO-Vesivoima’s long-term modernisation programme and will strengthen the Raasakka power plant’s…

    Lohenpoikanen haavissa, Luonnonvarakeskuksen sähkökalastuksen tulosta
    22.3.2022 News Press releases

    Continued cooperation to develop the old riverbed of the Iijoki river at Raasakka

    Measures to return migratory fish to the old natural riverbed of the Iijoki river at Raasakka continue. The municipality of Ii, PVO-Vesivoima Oy and the South and North Ii fishery collectives have signed an agreement on the developm…

    Melon voimalaitos. Melo hydropower plant.
    25.2.2022 News Power plant news

    Tightness of Melo dam to be ensured with a bored pile wall

    The repair of the Melo power plant’s dam on the Kokemäenjoki river in Nokia will continue until the end of the year. The work includes the construction of a bored pile wall which will ensure the dam’s watertightness. The dam br…

    25.1.2022 News Power plant news

    Hydropower plants on Iijoki controlled by Finland’s most advanced and extensive automation solution for river regulation

    PVO-Vesivoima has implemented new process control and optimisation software to control all the company’s hydropower plants along the Iijoki river. The system was supplied by Honeywell. The river regulation software is the most adv…

    Pohjolan Voimaan kuuluva Melon vesivoimalaitos Nokialla
    13.12.2021 News Power plant news

    New turbine regulator saves computing power and protects machinery

    An improved turbine regulator has been commissioned at the Melo hydropower plant on the Kokemäenjoki river. It enables more precise control of electricity production, as well as protects the equipment. The improved regulator is a c…

    9.12.2021 News Press releases

    Hydropower plants on Iijoki implement Finland’s most advanced and extensive automation solution for river regulation

    Balancing power is vital to the balance of the electrical power system, and PVO-Vesivoima has implemented new process control and optimisation software to enhance its generation along the Iijoki river. The system was supplied by Hon…

    6.9.2021 News Power plant news Press releases

    Overhaul of Jumisko hydropower plant completed

    The Jumisko hydropower plant in Kemijärvi has been restarted after its overhaul. The control options and energy efficiency of the power plant will improve as a result of the overhaul.

    23.3.2021 News Power plant news

    Overhaul of the Jumisko hydropower plant has begun

    The overhaul of PVO-Vesivoima’s Jumisko hydropower plant in Kemijärvi has begun. The overhaul will improve the power plant’s capacity to produce regulating energy that will provide an important balance to the national power sup…

    • Previous
    • 1
    • 2
    • 3
    • 4
    • 5
    • Next

    Contents

    • All

    • Brochures

    • Financial publications

    • Investor news

    • News

    • Power plant news

    • Press releases

    • Stock exchange releases

    Themes

    • Corporate culture

    • Hydropower

    • Investors

    • Nuclear power

    • Pumped storage hydropower

    • Sustainability

    • Thermal power

    Contact information

    Pohjolan Voima Oyj
    Mikonkatu 7 A5
    P.O. Box 40
    FI-00101 Helsinki
    Tel. +358 (0)10 478 5000

    Contact information

    Links

    Newsroom

    About us

    Responsibility

    Power plants

    For media

    Feedback

    Annual Report 2024

    Copyright © 2025 Pohjolan Voima Privacy Statement Legal Notice Show my cookie settings