All of the additional electricity-generating capacity added by the U.S. last month came from renewable energy sources, according to areport from the Federal Energy Regulatory Commission (FERC). Solar, biomass, wind, geothermal, and hydropower projects provided 394 megawatts — 100 percent — of all new electricity generation that went on line in November. No new capacity was added from fossil fuels or nuclear power, FERC reported. Renewable energy sources also provided 99 percent of all new electricity-generating capacity in October. Although natural gas has been the biggest player in added capacity so far this year (52 percent), solar also made gains. It alone has made up roughly 21 percent of new power capacity so far in 2013, two-thirds more than its year-to-date total in 2012. Renewable sources now account for 15.9 percent of total U.S. generating capacity, which is more than nuclear (9.2 percent) and oil (4.05 percent) combined.
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