Residential electricity prices in 85618 in April 2026 averaged approximately 15.48 cents per kilowatthour (¢/kWh), which was about 18% 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 85618 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 85618 increased approximately 3%, from 15.14 ¢/kWh to 15.59 ¢/kWh. [1]
→ Electricity rates listed as zero are not currently available.
Residential natural gas prices in 85618 in April 2026 averaged 20.88 dollars per thousand cubic feet ($/Mcf), which was approximately 15% 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 Mammoth natural gas prices against U.S. average prices. Compare 85618 (Mammoth, AZ) natural gas costs to overall U.S. average costs. [2]
On a year-over-year basis, residential natural gas prices in Mammoth (Arizona) increased approximately 26%, from 15.58 $/Mcf (March 2025) to 19.69 $/Mcf (March 2026). [2]
→ Natural gas prices listed as zero are not currently available.
Sorry, 85618 solar data is not currently available. Please check back later.
See the chart below for a comparison of Mammoth solar radiation levels against other areas in the U.S. Compare Mammoth 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 85618 is associated with the city of Mammoth, AZ in Pinal County. [4]
To learn more about utility rates & usage in 85618, or for other information related to utilities in Arizona, visit the U.S. Energy Information Administration.
Edmund Becquerel, a 19-year-old French experimental physicist, discovered the basis of solar energy in 1839.
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