Reuters: A proposed federal mandate to force power companies to provide up to 25 percent renewable energy by 2025 is likely to have little impact on electric prices though 2020 and negligible impact after 2030, the Energy Information Administration said in a study Monday. The largest impact would likely be seen in 2025 when the renewable electricity standard would go into effect, boosting average prices by up to 2.9 percent, EIA projected. Price impacts would vary from region to region, …