Spinning turbine blades of the Wind farm near the Cornish town of Delabole in England are blurred against fast-fading light. We barely see the three blades as they revolve to produce electricity for the national grid. First operational in mid December 1991 they were a very controversial project with locals who saw them as a blot on their familiar c though it’s permission went ahead nonetheless. The 10 turbines operated by Windelectric are carefully positioned in existing hedge lines about 270 m apart and have an annual output of about 12 million Kw hours, which equals 1 years consumption by 2700 average homes (a small town). To produce the same amount of electricity by conventional means, about 2000 tonnes of oil or 5000 tonnes of coal would have to be burnt each year, this has a Co2 offset of 4,475 tonnes.
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