It's totally impossible of course, but it's worth asking theoretically how many wind turbines and how much space would be required to power the whole of the USA. This might give you a sense of why the wind industry is still in its infancy.

To meet 100% of the demand with wind turbines running at a typical 25% load factor will require 1,644 gigawatts of turbines, a huge figure - in the whole world there are only around 48. Indeed, right now, the American Wind Energy Association forecasts an installed capacity of 9.2 gigawatts in the near future.

So how big a land footprint would 1,644 gigawatts take up of the USA?

Just under 3 million acres out of a total land area of 2.3 billion acres. A large area, but nothing like the scale of Texas (171 million acres).

Now how many wind turbines would that take?

Let's assume we use the GE 3.6 MW model, and this would require 456,667 turbines.

Electrical load balancing, the lack of mass production facilities and public opinion preclude this kind of wind penetration into America. But 10% does not look like an impossible goal - especially with natural gas prices where they are today. . . wind could actually start bringing down energy prices.