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Figures prove green energy is lacking in real power

ALAN J Sangster writes that it is a "myth" that wind power is unreliable (Letters, February 14).

The 25% capacity factor (CF) he quotes for a single wind farm is an estimate used by the wind industry when assessing the viability of a wind installation, to reflect the unreliability of wind, and the actual measured CFs of all wind installations confirms this using the data which is readily available on the Renewable Energy Foundation website.

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Weather

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