Because wind is intermittent, the National Grid is forced to rely on a fleet of gas and coal power stations to back up the supply when the wind fails.As the quote above indicates, you need to have standby generators for when the wind doesn't blow, or doesn't blow hard enough, and when the wind blows too hard. Where I live, for example, there is very little wind for as much as 8 months out of the year. Detecting when that is about to happen, and powering up those generators adds additional expense. Indeed, the windmills seemed to be idling when the picture used in the story was taken. Then there are the maintenance costs, which of course become much larger when the windmills are located off shore.
The enviro-whackos who brought you goofball wormening realized that in order to get the public off fossil fuel, they had to show you something. Windmills are it. But it doesn't work. It has already been tried in Denmark, and now in UK. What is needed is a steady supply of electricity to run factories, power houses, and even run your computer. Wind gives you a very unsteady supply. In the end, windmills are little more than very expensive toys. We should not emulate another fail idea from the old country.
Read more: http://www.dailymail.co.uk/news/article-1315711/Wind-farm-power-twice-costly-gas-coal.html#ixzz10oP36Yrv