Siemens Gamesa to supply 5.X platform for 455MW onshore wind farm in Finland

Country’s largest project will install 69 SG 6.6-170 turbines, promising record-low levelised cost of energy

SG 6-6-170 prototype in Osterild, Denmark
SG 6-6-170 prototype in Osterild, Denmark

Swedish developer OX2 has agreed to purchase 69 SG 6.6-170 wind turbines from Siemens Gamesa for the 455MW Lestijärvi Lestijärvi (455MW) OnshoreFinland, Europe Click to see full details project located in Central Ostrobothnia, Finland

The developer announced last week it would sell the project to a trio of Finnish companies but continue being responsible for its technical and commercial management under a 15-year agreement.

Construction is due to start imminently, with turbine installation scheduled for 2024 and commissioning expected in 2025. 

A total of 64 turbines will sit on 155-meter towers, and the other five will use 145-meter towers. 

The order, which includes a 35-year service agreement, is Siemens Gamesa’s second in Finland for the 5.X platform, following a deal for 14 SG 5.8-155 turbines for the 81MW Alajoki-Peuralinna Alajoki-Peuralinna (81MW) OnshoreKyyjärvi and Perho , Finland, Europe Click to see full details site in central Finland signed late last year.

It is claimed the Lestijärvi project will be capable of achieving record-low levelised cost of energy (LCoE). Lestijärvi will be the largest wind farm in Finland by installed capacity and generate about 1.3TWh/year, representing roughly 2% of the country’s total electricity production.

According to the Finnish Wind Power Association, Finland aims to supply around 30% of its electricity demand from wind energy, up from around 7% in 2019.

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