South Dakota electricity rates in May 2021 averaged 13.12 cents per kilowatthour -- an estimated 4 percent less than the 13.71 cents per kilowatthour average rate in the U.S. overall in May 2021.
South Dakota natural gas rates in May 2021 averaged 11.01 dollars per thousand cubic feet -- an estimated 21 percent less than the 14.01 dollars per thousand cubic feet average rate in the nation overall in May 2021.
South Dakota has an estimated population of 814,180, which ranks 44th in the nation. 
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For more information about energy in South Dakota, or to learn more about SD energy, visit the EIA.