Residential electricity prices in Union, IA in September 2025 averaged approximately 14.79 cents per kilowatthour (¢/kWh), which was about 18% less than the national average rate of 18.07 ¢/kWh (September 2025). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in Union differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from August 2024 to August 2025 - residential electricity prices in Union increased approximately 6%, from 14.78 ¢/kWh to 15.64 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in Union in September 2025 averaged 21.25 dollars per thousand cubic feet ($/Mcf), which was approximately 13% less than the national average rate of 24.56 $/Mcf (September 2025). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Union natural gas prices against U.S. average prices. Compare Union natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Union (Iowa) increased approximately 9%, from 20.57 $/Mcf (August 2024) to 22.45 $/Mcf (August 2025). [2]
→ Natural gas prices listed as zero are not currently available.
The city of Union (Iowa) has an average annual solar radiation value of 4.95 kilowatt hours per square meter per day (kWh/m2/day). Compare Union 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 Union solar radiation levels against other areas in the U.S. Compare Union 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 Union, IA in Hardin County has an approximate population of 397. [4]
To learn more about utility rates & usage in Union, IA, or for other information related to utilities in Union, visit the U.S. Energy Information Administration.
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