States are upping their reliance on wind power
Four states now generate at least 30% of their electricity annually from wind, now that Oklahoma and Kansas have joined Iowa and South Dakota on the 2017 list. That's one factoid from the American Wind Energy Association's annual report on the state of the wind power market.
Why it matters: It's a data point that underscores the growth of renewables in U.S. power markets. The chart above shows the penetration of utility-scale wind nationwide.