Residential electricity prices in 20622 in June 2025 averaged approximately 19.33 cents per kilowatthour (¢/kWh), which was about 11% more 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 20622 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 20622 increased approximately 8%, from 17.63 ¢/kWh to 19.04 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in 20622 in June 2025 averaged 22.68 dollars per thousand cubic feet ($/Mcf), which was approximately 2% less than the national average rate of 23.15 $/Mcf (June 2025). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Charlotte Hall natural gas prices against U.S. average prices. Compare 20622 (Charlotte Hall, MD) natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Charlotte Hall (Maryland) increased approximately 13%, from 18.50 $/Mcf (May 2024) to 20.87 $/Mcf (May 2025). [2]
→ Natural gas prices listed as zero are not currently available.
The ZIP code of 20622 (Charlotte Hall, MD) has an average annual solar radiation value of 5.13 kilowatt hours per square meter per day (kWh/m2/day). Compare Charlotte Hall 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 Charlotte Hall solar radiation levels against other areas in the U.S. Compare Charlotte Hall 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 ZIP code 20622 is associated with the city of Charlotte Hall, MD in St. Mary's County. [4]
To learn more about utility rates & usage in 20622, or for other information related to utilities in Maryland, visit the U.S. Energy Information Administration.
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