The Electric Reliability Council of Texas (ERCOT) region showed a 2.1 percent increase in electric use in 2013 compared to 2012, the grid operator recently announced. Demand during the hottest part of the summer was up 1.0 percent.
More than 75 percent of that demand was met by fossil fuel-fired power plants, although natural gas-fired power decreased from 2012. Natural gas-fired plants provided 40.5 percent of the electricity used in the region in 2013, compared t0 44.6 percent in 2012. Coal-fired power generation provided 37.2 percent of power in the region in 2013, an increase from 33.8 percent in 2012.
Nuclear power provided 11.6 percent in 2013, a slight decrease from 11.8 percent in 2012, and wind power produced 9.9 percent, an increase from 9.2 percent in 2012.