Getting 10% of electricity from wind is impressive, considering the state's size and outsized energy consumption.
Wind contributes to grid stability and the more of it, the less variable the resource as a whole is.
Wind power had big breakthroughs in Denmark and Spain in 2013.
Across the country, numerous fossil fuel plants had outages and gigawatts-worth of wind energy filled the gap.
Because of extraordinarily low prices, an Oklahoma utility tripled its purchase of wind energy.
Much of the research so far has under-estimated the potential for wind.
The US has 50 gigawatts of wind energy, enough electricity to power all the homes in six US states.
A 250 MW wind farm is completed in Colorado, but high costs shelve the first offshore wind project in the Great Lakes.