Washington electricity rates in December 2018 averaged 9.35 cents per kilowatthour -- an estimated 25 percent less than the 12.47 cents per kilowatthour average rate in the U.S. overall in December 2018.
Washington natural gas rates in December 2018 averaged 8.73 dollars per thousand cubic feet -- an estimated 9 percent less than the 9.63 dollars per thousand cubic feet average rate in the nation overall in December 2018.
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.
The NREL recently assessed the state of solar in the U.S. and found that rooftop has the potential to power nearly two-fifths of the nation.
Washington has an estimated population of 6,724,540, which ranks 13th in the nation. 
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For more information about energy in Washington, or to learn more about WA energy, visit the EIA.