Wes Hompe, chief engineer of Willmar Municipal Utilities, inside one of the wind turbine towers. "This is the biggest investment Willmar Municipal Utilities has ever made," he said. "What makes it worthwhile? This is the future." (Photos By Peter Slevin -- The Washington Post)
The Willmar, Minn., utility invested nearly $10 million in two wind turbines to help with the effort to boost the use of renewable energy and cut down on carbon emissions. (Peter Slevin - The Washington Post)