Residential electricity prices in South Portland, ME in April 2026 averaged approximately 28.42 cents per kilowatthour (¢/kWh), which was about 51% 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 Portland 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 Portland increased approximately 0%, from 28.27 ¢/kWh to 28.32 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in South Portland in April 2026 averaged 21.63 dollars per thousand cubic feet ($/Mcf), which was approximately 19% more 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 Portland natural gas prices against U.S. average prices. Compare South Portland natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in South Portland (Maine) decreased approximately 100%, from 18.05 $/Mcf (March 2025) to 0.00 $/Mcf (March 2026). [2]
→ Natural gas prices listed as zero are not currently available.
Sorry, South Portland solar data is not currently available. Please check back later.
See the chart below for a comparison of South Portland solar radiation levels against other areas in the U.S. Compare South Portland 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 South Portland, ME in Cumberland County has an approximate population of 25,002. [4]
To learn more about utility rates & usage in South Portland, ME, or for other information related to utilities in South Portland, visit the U.S. Energy Information Administration.
Nearly half of the households in the United States use natural gas as their main heating fuel.
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