Hydropower

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…

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…

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…

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…

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…

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…

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…

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…

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.

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…