UPDATE 1-Storms produce record UK wind power output

LONDON, Jan 6 (Reuters) - British wind power production reached a record high just before the New Year as storms hit the British Isles and powered onshore and offshore wind turbines, data showed on Friday.

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The storms earlier this week also more than doubled the average load factor -- the ratio of average output over maximum capacity over a period of time -- of wind turbines to up to 66 percent on Jan. 4, compared with an average of around 30 percent, Scottish Renewables figures showed on Friday.