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Water use efficiency of various power generation technologies

By hayden on Apr 23, 2008
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Power generation techonologies	Low range efficiency (gallons/million BTU)	High range efficiency (gallons/million BTU)

Hydroelectric	20
Geothermal	130
Solar thermoelectric	230	270
Fossil fuel thermoelectric	1,100	2,200
Nuclear	2,400	5,800