PC Power SIR: Congratulations to Ray Evans and Tom Quirk for their excellent article (March 2009) on “The High Price of Politically Correct Power”. Although wind farms have been in Australia for the best part of a decade (and abundant statistics must be available on their costs and output) I have yet to see any arm’s length attempt at cost-benefit analysis. I have no doubt the reason is that too many politicians would be too embarrassed by the exposure of wind farms as an expensive waste of public money. The fallacies of wind farms have been apparent for at least…