MidAmerican Energy, a company of Berkshire Hathaway, is on track to become the first investor-owned utility in the United States whose electricity production from renewable source is equal to the electricity needs of its customers—if a major wind project gets the go ahead and is competed, Reuters reports , citing chief executive Adam Wright. The company is awaiting approval from the Iowa Utilities Board on a large-scale wind farm project, worth US$922 million, which should be completed in 2020. Yet MidAmerican will keep its gas-fired, coal, and nuclear power plants due to the intermittent nature of wind power generation. It will also continue to expand its wind farm portfolio and is already looking for locations for its next projects. The company, which serves 770,000 customers in Iowa, has been building wind power capacity for 15 years now and has not had to increase rates for customers yet thanks to […]