Residential electricity prices in Keystone, SD in May 2026 averaged approximately 15.73 cents per kilowatthour (¢/kWh), which was about 15% less than the national average rate of 18.44 ¢/kWh (May 2026). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in Keystone differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from April 2025 to April 2026 - residential electricity prices in Keystone increased approximately 9%, from 13.37 ¢/kWh to 14.52 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in Keystone in May 2026 averaged 10.95 dollars per thousand cubic feet ($/Mcf), which was approximately 45% less than the national average rate of 19.83 $/Mcf (May 2026). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Keystone natural gas prices against U.S. average prices. Compare Keystone natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Keystone (South Dakota) decreased approximately 3%, from 11.24 $/Mcf (April 2025) to 10.86 $/Mcf (April 2026). [2]
→ Natural gas prices listed as zero are not currently available.
Sorry, Keystone solar data is not currently available. Please check back later.
See the chart below for a comparison of Keystone solar radiation levels against other areas in the U.S. Compare Keystone levels against both 1) low average solar radition levels (WA) and also 2) high average solar radiation levels (NV). [3]
→ k/m/d: kilowatt hours per square meter per day.
→ Solar radiation values listed as zero are not currently available.
Households in the United States have benefited from falling energy prices in recent years, which has driven down the cost of living.
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Penn State researchers recently examined microgrids and discovered that they may not always be a wise economic move for communities.
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Through the analysis of publicly available data filed by electricity suppliers, the CT OCC discovered that electricity customers overpaid by $58 million in 2015.
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The town of Keystone, SD in Pennington County has an approximate population of 337. [4]
To learn more about utility rates & usage in Keystone, SD, or for other information related to utilities in Keystone, visit the U.S. Energy Information Administration.
The world's largest source for producing electricity is coal, which generates about half of the electricity in the U.S.
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