Residential electricity prices in Harmon, IL in November 2025 averaged approximately 18.31 cents per kilowatthour (¢/kWh), which was about 3% more than the national average rate of 17.78 ¢/kWh (November 2025). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in Harmon differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from October 2024 to October 2025 - residential electricity prices in Harmon increased approximately 14%, from 16.48 ¢/kWh to 18.74 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in Harmon in November 2025 averaged 10.56 dollars per thousand cubic feet ($/Mcf), which was approximately 29% less than the national average rate of 14.87 $/Mcf (November 2025). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Harmon natural gas prices against U.S. average prices. Compare Harmon natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Harmon (Illinois) decreased approximately 2%, from 15.81 $/Mcf (October 2024) to 15.45 $/Mcf (October 2025). [2]
→ Natural gas prices listed as zero are not currently available.
Sorry, Harmon solar data is not currently available. Please check back later.
See the chart below for a comparison of Harmon solar radiation levels against other areas in the U.S. Compare Harmon 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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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 Harmon, IL in Lee County has an approximate population of 120. [4]
To learn more about utility rates & usage in Harmon, IL, or for other information related to utilities in Harmon, visit the U.S. Energy Information Administration.
Edmund Becquerel, a 19-year-old French experimental physicist, discovered the basis of solar energy in 1839.
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