That WaPo info I posted earlier was more about what methods of electrical generation are used and where that generation takes place. It's equally important to consider where electricity from each of those methods/sources gets exported TO and CONSUMED. As well as, where does each state actually GET ITS electricity from. The following may be a year or two old, but you'll get the idea:
[
www.snl.com]
[
energyalmanac.ca.gov]