The 21MW contract comprises supply, installation and commissioning of seven V112-3.0 MW wind turbines.
Delivery is planned to start at the end of the third quarter of 2013, with commissioning expected to be completed by the fourth quarter.
Thomas Richterich, president of Vestas Central Europe, said: "This third order from Vindkraft... supports our strategy of placing a solid footprint on this important emerging market. We look forward to working in a close partnership with Vindkraft and continuing to develop the excellent wind resources in Ukraine."