Ukrainian private energy company DTEK on Wednesday said it will invest EUR 450 million (USD 466m) to expand the Tyligulska wind farm in Ukraine after securing financing to buy 64 wind turbines from Vestas Wind Systems A/S (<a href="https://www.nasdaq.com/european-market-activity/shares/vws?id=CSE3258" target="_blank">CPH:VWS</a>).