South Carolina electricity rates in December 2017 averaged 12.27 cents per kilowatthour -- an estimated 2 percent less than the 12.50 cents per kilowatthour average rate in the U.S. overall in December 2017.
South Carolina natural gas rates in December 2017 averaged 11.52 dollars per thousand cubic feet -- an estimated 23 percent more than the 9.33 dollars per thousand cubic feet average rate in the nation overall in December 2017.
Wind energy had a big year in the U.S. in 2015, accounting for more new electricity capacity in the country than any other energy source.
Last year was a record-breaking one for solar power generation in the U.S., and 2016 looks to have an even brighter future, the SEIA said.
For the first time ever, natural gas is expected to surpass coal as an electricity generating source in the United States.
South Carolina has an estimated population of 4,625,364, which ranks 24th in the nation. 
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For more information about energy in South Carolina, or to learn more about SC energy, visit the EIA.