Residential electricity prices in 57646 in March 2026 averaged approximately 14.29 cents per kilowatthour (¢/kWh), which was about 24% less than the national average rate of 18.83 ¢/kWh (March 2026). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in 57646 differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from February 2025 to February 2026 - residential electricity prices in 57646 increased approximately 12%, from 11.84 ¢/kWh to 13.24 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in 57646 in March 2026 averaged 11.23 dollars per thousand cubic feet ($/Mcf), which was approximately INF% more than the national average rate of $/Mcf (March 2026). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Mound City natural gas prices against U.S. average prices. Compare 57646 (Mound City, SD) natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Mound City (South Dakota) increased approximately 29%, from 8.77 $/Mcf (February 2025) to 11.29 $/Mcf (February 2026). [2]
→ Natural gas prices listed as zero are not currently available.
Sorry, 57646 solar data is not currently available. Please check back later.
See the chart below for a comparison of Mound City solar radiation levels against other areas in the U.S. Compare Mound City 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.
Read More
The ZIP code 57646 is associated with the city of Mound City, SD in Campbell County. [4]
To learn more about utility rates & usage in 57646, or for other information related to utilities in South Dakota, visit the U.S. Energy Information Administration.
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