Alstom signed a contract with the owner of Harjavalta hydroelectric plant (72 MW), for the rehabilitation and modernization of two existing generators as well as providing a new alternator for a total of more than 10 million euros.
The work, which will be carried out between 2016 and 2017, is in the context of a modernization project on a larger scale, the aim is to increase the capacity of the plant to be up to 110 MW.
As part of this contract, Alstom will carry out renovation and modernization of two alternators originally built in 1939 and 1940, provide a complete new stator, new excitation systems and cooling and ensure the renovation of the rotor and shaft the existing alternator, install new bearings and renovation of existing levels. Modern design, alternators renovated displayed greater power and will of 2×46 MVA to 2×53 MVA. In addition, Alstom will provide a new alternator 25 MVA, which will be manufactured at its plant in Spain Bilbao.
“This project will allow us to significantly increase the power of the central Harjavalta and will offer Länsi-Suomen Voima Oy opportunity to provide a reliable and repeatable in southern Finland energy,” said Markus Alholm, President of Alstom in Finland. “This order reinforces our strategy to support customers by offering a full range of maintenance and rehabilitation able to secure the operational reliability of the system and to optimize the management throughout its life.”
Olli Nummelin, General Manager Länsi-Suomen Voima Oy, added: “The renovation and installation of new equipment will allow us to increase the production capacity of the plant and to improve the efficiency and environmental safety of the plant. Alstom We chose to realize the modernization of generators because of know-how and extensive experience of its teams. ”
Located in the province of Western Finland, the Kokemäenjoki river, hydroelectric Harjavalta was built in 1939 and is one of the most successful south. It uses a drop of 26.4 meters.
Alstom has completed several other hydroelectric projects in Finland, especially on plants Voikkaa, Kelti, Kuusankoski, Ämmäkoski, Koivukoski and Pyhännänkoski.