Press release

UPM-Kymmene Oyj: UPM to modernize Tyrvää power plant - supports the growth of clean and flexible electricity generation

(UPM, Helsinki, March 5, 2026, at 10:00 EET) - UPM Energy is investing over EUR 20 million in the extensive modernization of the Tyrvää hydropower plant. The project will ensure the plant, located in the Pirkanmaa region, Finland, can operate safely far into the future. The technical upgrades will also strengthen the plant's capability to provide balancing power to the electricity grid when needed. The modernization is expected to be fully completed by the end of 2030.

"Hydropower is a key element in ensuring the flexibility and security of supply in the Finnish energy system. This investment will secure the operation of the Tyrvää hydropower plant far into the future while reducing its environmental footprint. Oil free turbines, modern automation and improved balancing capacity respond excellently to the increasing flexibility needs of the energy system," says Teemu Kerttula, Manager, Hydropower at UPM Energy.

The modernization includes the refurbishment of both turbine-generator units. The project involves installing new generator stators, overhauling the rotors and replacing the turbine runners from oil-lubricated to water-lubricated ones, significantly reducing environmental risks. In addition, the plant will be equipped with modern automation and control systems as well as new turbine controllers.

Modern automation and digital solutions will enable new opportunities for optimization, operation and maintenance of the plant. Dam safety will also be improved through a new emergency automation system.

Hydropower plays an essential role in balancing the volatility in the electricity system. It enables electricity production precisely when it is needed, for example, when wind or solar power production varies depending on weather conditions. As weather-dependent energy production continues to grow, the value of flexible, low emission and reliable hydropower becomes even more important.

For further information please contact:
Teemu Kerttula, Manager, Hydropower, UPM Energy, tel. +358 40 180 1348

UPM, Media relations
Mon-Fri 9:00-16:00 EET
tel. +358 40 588 3284
media@upm.com

UPM Energy
UPM Energy is the second largest electricity producer in Finland. We generate CO2-free electricity in our own and co-owned power plants. In 2025, our total electricity generation was 10.7 TWh. In addition, we sell electricity and its derivatives on the electricity market and explore the opportunities of energy transformation.

UPM
UPM is a material solutions company, renewing products and entire value chains with an extensive portfolio of renewable fibres, advanced materials, decarbonization solutions, and communication papers. Our performance in sustainability has been recognized by third parties, including EcoVadis and the Dow Jones Sustainability Indices. We operate globally and employ approximately 15,100 people worldwide, with annual sales of approximately €9.7 billion. Our shares are listed on Nasdaq Helsinki Ltd.
UPM - we renew the everyday
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