Residential electricity prices in Johnston, IA in June 2025 averaged approximately 15.39 cents per kilowatthour (¢/kWh), which was about 12% less than the national average rate of 17.47 ¢/kWh (June 2025). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in Johnston differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from May 2024 to May 2025 - residential electricity prices in Johnston decreased approximately 0%, from 14.30 ¢/kWh to 14.23 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in Johnston in May 2025 averaged 16.37 dollars per thousand cubic feet ($/Mcf), which was approximately 15% less than the national average rate of 19.18 $/Mcf (May 2025). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Johnston natural gas prices against U.S. average prices. Compare Johnston natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Johnston (Iowa) increased approximately 14%, from 12.04 $/Mcf (April 2024) to 13.71 $/Mcf (April 2025). [2]
→ Natural gas prices listed as zero are not currently available.
The city of Johnston (Iowa) has an average annual solar radiation value of 5.03 kilowatt hours per square meter per day (kWh/m2/day). Compare Johnston 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 Johnston solar radiation levels against other areas in the U.S. Compare Johnston 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 Johnston, IA in Polk County has an approximate population of 17,278. [4]
To learn more about utility rates & usage in Johnston, IA, or for other information related to utilities in Johnston, visit the U.S. Energy Information Administration.
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