Utility and retail renewable energy providers clash over subsidies and consumer user-fees in Iowa. For years, wind and solar were friendly twins in the campaign for green alternatives to fossil fuels, but the relationship is getting ugly in a number of states, especially in Iowa, where more than 4,000 turbines generate 34% of the state's electricity, the second highest rate in the country. About half those turbines were installed by Des Moines-based MidAmerican Energy, a wind energy leader that proudly notes its towering blades spin enough power to equal its customer demand. The utility has taken aim at a growing solar industry made up of dozens of small companies across the state. Read more.