Wind power and other renewables accounted for all 1,231 megawatts of new capacity installed in the U.S. last month, according to the Federal Energy Regulatory Commission. Wind power accounted for 958 MW of new capacity, while solar and biomass contributed 267 MW and 6 MW, respectively, FERC said. In January 2012, coal accounted for most new capacity, with 808 MW, followed by natural gas and wind power.