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The blog of the Wilson Center's Environmental Change and Security Program
  • Choke Point

    Eric Larson and Sarthak Gupta, Climate Central

    Shift from Coal to Gas Means Power Plants Are Using Less Water [Infographic]

    July 6, 2015 By Wilson Center Staff

    The original version of this article appeared on Climate Central.

    As the U.S. has undergone a rapid and massive shift to natural gas from coal, one benefit has gone almost entirely overlooked: the amount of water needed to cool the nation’s power plants has dropped substantially.

    The widespread adoption of hydraulic fracturing (fracking) technology has led to dramatically higher natural gas production in the U.S. since 2005. The resulting drop in natural gas prices, coinciding with new EPA air quality regulations for coal-fired power plants, has led to a surge in natural gas-fired electricity generation nationwide.

    Between 2005 and 2012, coal’s share of electricity generation fell to 37 percent from 50 percent. Natural gas rose to 30 percent from 19 percent. Total electricity generation stayed roughly constant.

    That shift has translated into big changes in the amount of water being withdrawn from lakes and rivers to cool power plants. And it’s an important shift as nationally, 38 percent of all water withdrawn is for power plants.

    Continue reading on Climate Central.

    Sources: Climate Central.

    Graphic: Climate Central.

    Topics: Choke Point, coal, economics, energy, environment, featured, natural gas, natural resources, U.S., water

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