26 Jun '16, 5pm

The Energy Sector is One of the Largest Consumers of Water: The implications of the global water fo...

The Energy Sector is One of the Largest Consumers of Water: The implications of the global water fo...

As can be seen from Figure 3, there are staggering differences in the water footprint of different electricity generation technologies. Minimum life cycle consumptive water footprints vary from 0.01 litres per kWh for wind energy, to 1.08 litres per kWh for storage-type hydroelectric power, though there are significant regional and technological variations in values reported for the same energy source. (Note that water footprint data represent the ‘blue’ water footprint, i.e. the consumption of water resources – from rivers, lakes and groundwater – whereby consumption refers to the volume of water that evaporates or is incorporated into a product. The blue water footprint is thus often smaller than the total water withdrawal, because generally part of the total water withdrawal returns to the ground or surface water.)

Full article: http://peakoil.com/enviroment/the-energy-sector-is-one-of...

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