Residential electricity prices in South Wilmington, IL in April 2026 averaged approximately 20.47 cents per kilowatthour (¢/kWh), which was about 9% more than the national average rate of 18.83 ¢/kWh (April 2026). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in South Wilmington differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from March 2025 to March 2026 - residential electricity prices in South Wilmington increased approximately 7%, from 17.55 ¢/kWh to 18.86 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in South Wilmington in April 2026 averaged 14.29 dollars per thousand cubic feet ($/Mcf), which was approximately 21% less than the national average rate of 18.17 $/Mcf (April 2026). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of South Wilmington natural gas prices against U.S. average prices. Compare South Wilmington natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in South Wilmington (Illinois) increased approximately 11%, from 10.91 $/Mcf (March 2025) to 12.10 $/Mcf (March 2026). [2]
→ Natural gas prices listed as zero are not currently available.
Sorry, South Wilmington solar data is not currently available. Please check back later.
See the chart below for a comparison of South Wilmington solar radiation levels against other areas in the U.S. Compare South Wilmington 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 village of South Wilmington, IL in Grundy County has an approximate population of 681. [4]
To learn more about utility rates & usage in South Wilmington, IL, or for other information related to utilities in South Wilmington, visit the U.S. Energy Information Administration.
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