Hawaii is developing quite a bit of wind energy, which makes sense for that area given the cost of importing diesel. What are retail rates there, something like 40 cents/kwh?
It is high but my daughter takes care of that so I’m not up on the costs etc.
retail electric rates by state
http://www.neo.ne.gov/statshtml/115.htm
Dec 2007, fairly recent for comparison
Notice how most of the coal producing states are the lowest.