How much?

52.8 trillion gallons: Water withdrawn by thermoelectric power plants in 2017 for cooling, down more than 12 percent since 2014. The closure of coal plants, which require more water for cooling than natural gas units, has been a major factor in the decline. (Energy Information Administration)

Read more: https://www.circleofblue.org/2018/world/u-s-water-withdrawals-continue-marked-decline/?mc_cid=1a3d0c5e26&mc_eid=47bc43f774

Water UsePaula Hensoncooling