Hydroelectricity

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Hydroelectricity

Hydropower is an ancient technology that uses the potential energy imparted onto water by gravity, whether that be water moving downhill in a stream, or tidal movements caused by the gravity of the moon attracting ocean waters.
Apart from being a sustainable energy source, one of hydroelectricitiy’s biggest advantages is that power output can be scaled up or down to meet demand quite easily. For example, a large hydroelectric dam could triple its power output within minutes if electricity demand peaked. Traditional heat based generation may take hours to scale up and down the same amount.