Otter Tail Power, an electric utility company, completed the acquisition of Ashtabula III Wind Energy Center, a 39-turbine wind farm, from NextEra Energy, a company that specialises in renewable energy, with a strong emphasis on wind and solar power, for $49.7m. “Our customers have benefited from wind resources since 2002. Purchasing Ashtabula III is part of our least-cost plan to meet our customers’ energy needs, both now and in the future,” Otter Tail Power, Tim Rogelstad President.