Residential electricity prices in Mandeville, LA in November 2025 averaged approximately 12.74 cents per kilowatthour (¢/kWh), which was about 28% less 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 Mandeville 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 Mandeville increased approximately 4%, from 11.95 ¢/kWh to 12.39 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in Mandeville in November 2025 averaged 21.72 dollars per thousand cubic feet ($/Mcf), which was approximately 46% more 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 Mandeville natural gas prices against U.S. average prices. Compare Mandeville natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Mandeville (Louisiana) decreased approximately 100%, from 22.88 $/Mcf (October 2024) to 0.00 $/Mcf (October 2025). [2]
→ Natural gas prices listed as zero are not currently available.
The city of Mandeville (Louisiana) has an average annual solar radiation value of 5.52 kilowatt hours per square meter per day (kWh/m2/day). Compare Mandeville 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 Mandeville solar radiation levels against other areas in the U.S. Compare Mandeville 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 Mandeville, LA in St. Tammany County has an approximate population of 11,560. [4]
To learn more about utility rates & usage in Mandeville, LA, or for other information related to utilities in Mandeville, visit the U.S. Energy Information Administration.
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