Image: Hydroelectric Dam

Hydroelectric Dam

Hydroelectric Dam in Paraguay, South America.

Hydroelectricity is generated from the energy of falling or flowing water. Water is usually dammed and as it falls from a height the force of the falling water moves turbines which generate electricity. Hydroelectricity is the most widely used form of renewable energy in the world. In 2008 it supplied 20 per cent of the world's electricity.

Photographer:
Indrich
Rights:
© Indrich/Greenpeace

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