Xcel Energy, Colorado's largest energy provider, said it's continuing a program encouraging home solar sources to help it meet the state's renewable energy mandate. The proposal is part of a plan the Minneapolis-based utility submitted to state regulators on Friday. Officials said the proposal puts them years ahead of a state mandate that requires that at least 30 percent of the company's energy comes from renewable sources by 2020. The proposal outlines a 10-year comprehensive plan for meeting ... Continuar leyendo