Compressed air power

The idea is that wind turbines use their energy to compress air in a storage system nearby, which, when released, drives a turbine to produce electricity.

The advantage of this is that the energy gained by the wind turbine can be stored for later usage, thus allowing greater flexibility when electricity usage rises and falls.

So, in short, all the hoopla about how wind power can't provide proper electricity demand has essentially been proven false by science and modern engineering.

The Economist has all the details.

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