How Much Water to Turn on a Light Bulb?
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Author name: Alex Wilson Blog Category: Energy Solutions Water Wise Guys Cooling towers at a nuclear power plant in Byron, Illinois. Photo Credit: Scott Olson, Getty Images Nearly all of our methods for generating electricity involve water consumption—some a lot, some not as much. Producing electricity with hydropower is the most water-intensive method, owing to evaporation from reservoirs. Nationwide, electricity from hydropower plants consumes about 9 gallons of water per kilowatt-hour ( kWh ) of electricity produced. In some parts of the world, this evaporation is a big problem because of the relative scarcity of water and its use for drinking water. In the arid Southwestern U.S. this evaporation is a huge issue, especially from reservoirs like Lake Mead. Water use for thermoelectric power plants read more