California electricity rates in December 2017 averaged 18.48 cents per kilowatthour -- an estimated 48 percent more than the 12.50 cents per kilowatthour average rate in the U.S. overall in December 2017.
California natural gas rates in December 2017 averaged 11.78 dollars per thousand cubic feet -- an estimated 26 percent more than the 9.33 dollars per thousand cubic feet average rate in the nation overall in December 2017.
As of last week, Apple now also an energy company. But that’s old news — Google already played that card all the way back in 2010.
Solar and wind might get a lot more headlines right now, but hydropower is more than holding its own as an electricity source in the U.S.
California has an estimated population of 37,253,956, which ranks 1st in the nation. 
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For more information about energy in California, or to learn more about CA energy, visit the EIA.