Residential electricity prices in 80108 in April 2025 averaged approximately 15.61 cents per kilowatthour (¢/kWh), which was about 11% less than the national average rate of 17.45 ¢/kWh (April 2025). [1]
→ Electricity rates listed as zero are not currently available.
See how electricity costs in 80108 differ from the average electricity costs for the U.S. overall. [1]
On a year-over-year basis - from March 2024 to March 2025 - residential electricity prices in 80108 increased approximately 4%, from 14.54 ¢/kWh to 15.14 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in 80108 in April 2025 averaged 11.65 dollars per thousand cubic feet ($/Mcf), which was approximately 27% less than the national average rate of 16.05 $/Mcf (April 2025). [2]
→ Natural gas prices listed as zero are not currently available.
See the chart below to see a comparison of Castle Rock natural gas prices against U.S. average prices. Compare 80108 (Castle Rock, CO) natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Castle Rock (Colorado) increased approximately 2%, from 10.05 $/Mcf (March 2024) to 10.29 $/Mcf (March 2025). [2]
→ Natural gas prices listed as zero are not currently available.
The ZIP code of 80108 (Castle Rock, CO) has an average annual solar radiation value of 6.06 kilowatt hours per square meter per day (kWh/m2/day). Compare Castle Rock 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 Castle Rock solar radiation levels against other areas in the U.S. Compare Castle Rock 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 80108 is associated with the city of Castle Rock, CO in Douglas County. [4]
To learn more about utility rates & usage in 80108, or for other information related to utilities in Colorado, 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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