Residential electricity prices in Ottawa, IL in July 2025 averaged approximately 17.25 cents per kilowatthour (¢/kWh), which was about 1% less than the national average rate of 17.47 ¢/kWh (July 2025). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in Ottawa differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from June 2024 to June 2025 - residential electricity prices in Ottawa increased approximately 14%, from 16.05 ¢/kWh to 18.33 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in Ottawa in July 2025 averaged 22.81 dollars per thousand cubic feet ($/Mcf), which was approximately 10% less than the national average rate of 25.27 $/Mcf (July 2025). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Ottawa natural gas prices against U.S. average prices. Compare Ottawa natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Ottawa (Illinois) decreased approximately 100%, from 18.55 $/Mcf (June 2024) to 0.00 $/Mcf (June 2025). [2]
→ Natural gas prices listed as zero are not currently available.
The city of Ottawa (Illinois) has an average annual solar radiation value of 4.86 kilowatt hours per square meter per day (kWh/m2/day). Compare Ottawa 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 Ottawa solar radiation levels against other areas in the U.S. Compare Ottawa 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 city of Ottawa, IL in LaSalle County has an approximate population of 18,768. [4]
To learn more about utility rates & usage in Ottawa, IL, or for other information related to utilities in Ottawa, visit the U.S. Energy Information Administration.
Approximately 13 percent of total U.S. residential electricity consumption in 2011 was for lighting.
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