Better yet, how do windmills perform after freezing rain has given them a nice, heavy coating of ice?
In our area we had a few burn up because of malfunctioning parts and also due to lightning strikes. One wonders how much the premiums are for lightning insurance or if there is insurance for them. If not, then the cost of all those replacements should be included in the cost of the power generated, along with the smelting of the steel and the other costs.