There is a big question mark over the true current wind power industry economic viability. Withdraw all the various government subsidies, take fully into account the net cost of initial construction and installation and expanded distribution systems (high tension power lines and substations etc.) and ongoing maintenance (you did for instance read about just the matter of blade leading edge erosion - right?), and is the actual balance red ink or black ink? I have a very strong feeling the current crop of 'renewable energy' enterprises will sooner rather than later prove to be based on very costly dinosaur technologies. Time will tell.