Residential electricity prices in 21781 in July 2026 averaged approximately 21.41 cents per kilowatthour (¢/kWh), which was about 17% more than the national average rate of 18.31 ¢/kWh (July 2026). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in 21781 differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from June 2025 to June 2026 - residential electricity prices in 21781 increased approximately 13%, from 19.29 ¢/kWh to 21.84 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in 21781 in July 2026 averaged 24.22 dollars per thousand cubic feet ($/Mcf), which was approximately 8% less than the national average rate of 26.45 $/Mcf (July 2026). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Saint James natural gas prices against U.S. average prices. Compare 21781 (Saint James, MD) natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Saint James (Maryland) decreased approximately 5%, from 23.74 $/Mcf (June 2025) to 22.57 $/Mcf (June 2026). [2]
→ Natural gas prices listed as zero are not currently available.
Sorry, 21781 solar data is not currently available. Please check back later.
See the chart below for a comparison of Saint James solar radiation levels against other areas in the U.S. Compare Saint James 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 21781 is associated with the city of Saint James, MD in Washington County. [4]
To learn more about utility rates & usage in 21781, or for other information related to utilities in Maryland, visit the U.S. Energy Information Administration.
A physical process known as the photovoltaic effect is how solar cells convert sunlight into electricity.
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