Residential electricity prices in Castle Hills, TX in April 2026 averaged approximately 16.99 cents per kilowatthour (¢/kWh), which was about 10% less 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 Castle Hills 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 Castle Hills increased approximately 7%, from 15.28 ¢/kWh to 16.39 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in Castle Hills in April 2026 averaged 26.91 dollars per thousand cubic feet ($/Mcf), which was approximately 48% 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 Castle Hills natural gas prices against U.S. average prices. Compare Castle Hills natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Castle Hills (Texas) increased approximately 41%, from 17.50 $/Mcf (March 2025) to 24.61 $/Mcf (March 2026). [2]
→ Natural gas prices listed as zero are not currently available.
Sorry, Castle Hills solar data is not currently available. Please check back later.
See the chart below for a comparison of Castle Hills solar radiation levels against other areas in the U.S. Compare Castle Hills 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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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 Castle Hills, TX in Bexar County has an approximate population of 4,116. [4]
To learn more about utility rates & usage in Castle Hills, TX, or for other information related to utilities in Castle Hills, 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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