Vestas and TuuliWatti are partnering on the 21MW Viinamäki project in Finland that will feature the first order for the V150-4.2MW turbines and a R&D collaboration on a solution featuring Vestas' Cable Stayed Tower technology.
Vestas and TuuliWatti Oy have also partnered in a 10-year testing agreement at the site. As a first step under this agreement, the data collection from Viinamäki will play an important role in the product certification of Cable Stayed Towers. The order comprises five V150-4.2MW turbine with a hub height of 175 meters, the highest ever in Vestas' history. The contract includes supply, installation and commissioning of the wind turbines, as well as an Active Output Management 5000 (AOM 5000) service agreement beyond 25 years. Delivery of the wind turbines is expected to begin in the second quarter of 2019.