Residential electricity prices in 57717 in January 2026 averaged approximately 13.60 cents per kilowatthour (¢/kWh), which was about 22% less than the national average rate of 17.45 ¢/kWh (January 2026). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in 57717 differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from December 2024 to December 2025 - residential electricity prices in 57717 increased approximately 2%, from 12.27 ¢/kWh to 12.51 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in 57717 in January 2026 averaged 9.42 dollars per thousand cubic feet ($/Mcf), which was approximately 32% less than the national average rate of 13.94 $/Mcf (January 2026). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Belle Fourche natural gas prices against U.S. average prices. Compare 57717 (Belle Fourche, SD) natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Belle Fourche (South Dakota) increased approximately 12%, from 7.82 $/Mcf (December 2024) to 8.78 $/Mcf (December 2025). [2]
→ Natural gas prices listed as zero are not currently available.
The ZIP code of 57717 (Belle Fourche, SD) has an average annual solar radiation value of 5.34 kilowatt hours per square meter per day (kWh/m2/day). Compare Belle Fourche values to both low and high values in the U.S. overall: [3]
→ Solar radiation values listed as zero are not currently available.
See the chart below for a comparison of Belle Fourche solar radiation levels against other areas in the U.S. Compare Belle Fourche 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 ZIP code 57717 is associated with the city of Belle Fourche, SD in Butte County. [4]
To learn more about utility rates & usage in 57717, or for other information related to utilities in South Dakota, visit the U.S. Energy Information Administration.
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