Delaware electricity rates in December 2017 averaged 12.99 cents per kilowatthour -- an estimated 4 percent more than the 12.50 cents per kilowatthour average rate in the U.S. overall in December 2017.
Delaware natural gas rates in December 2017 averaged 12.40 dollars per thousand cubic feet -- an estimated 33 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.
Delaware has an estimated population of 897,934, which ranks 47th in the nation. 
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For more information about energy in Delaware, or to learn more about DE energy, visit the EIA.