Energy Resources: Pumped storage Quiz

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   Dinorwic      fatal      generate      half      output      seconds      storing      surge      Wales   
Pumped storage reservoirs are a way of energy, ready to electricity when we need a lot of it in a hurry.

When there is a sudden in demand most power stations take a long time to increase their . Whilst we're waiting for them we would have power cuts, possibly with consequences if, for example we lost traffic lights or air traffic control.

Pumped storage reservoirs such as the one at in North can go from nothing to full power in a few , and can run for an hour or so unitl the other power stations can catch up and take over.