Is wind power as green as it seems?
Denmark is the world’s most wind-intensive state with more than 6,000 turbines generating 19% of its electricity. But this figure is misleading, says Tony Lodge of the Centre for Policy Studies. Not one conventional power plant has been closed in the period that Danish wind farms have been developed.
In fact, the Danish grid used 50% more coal-generated electricity in 2006 than in 2005 to cover wind’s failings. The quick ramping up and down of those plants has increased their pollution and carbon dioxide output – carbon emissions rose 36% in 2006.
Meanwhile Danish electricity costs are the highest in Europe. The Danish experience suggests wind energy is “expensive, inefficient and not even particularly green”, says Lodge.
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