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Solar Energy in Arizona

Solar Panels in Arizona

There are currently at least 89,361 solar panel installations throughout the state of Arizona right now.

Solar Energy Data in AZ by City

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Solar Power in AZ

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AZ Solar Energy

Solar Power in Arizona

Solar Energy Levels in Arizona

The average monthly solar radiation level in Arizona's capital city, Phoenix, of 6.57 kilowatt hours per square meter per day (kWh/m2/day) is approximately 76% greater than the average level of 3.73 kWh/m2/day in an area with historically low levels (WA) and is approximately 0% less than the average level of 6.6 kWh/m2/day in an area with historically high levels (NV). [1]


→ Values listed as 0 (zero) are not available (N/A).
→ Arizona values listed here are based on the capital, Phoenix.

Solar Radiation in Arizona

Below is a month-by-month comparison of how average Arizona solar radiation levels compare to average levels in an area with historcially high levels (NV) and one with historically low levels (WA). [1]

→ k/m/d = kWh/m2/day = kilowatt hours per square meter per day.
→ Values listed as 0 (zero) are not available (N/A).
→ Arizona values listed here are based on the capital, Phoenix.

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Solar Installs in Arizona

Solar Panel Installations in Arizona

A look at solar installs in Arizona. The chart below visualizes install totals for the top five counties in AZ vs. the cumulative install total of rest of AZ counties combined.

Breakdown of Solar Installs in Arizona

There are currently at least 89,361 solar panel installations throughout the state of Arizona right now. [1]

  • Top Five Solar Install Counties in Arizona
    • Maricopa County: 57,533 solar installs
    • Pima County: 13,277 solar installs
    • Yavapai County: 5,141 solar installs
    • Pinal County: 4,493 solar installs
    • Yuma County: 2,659 solar installs
    • Everywhere Else: 6,258 solar installs

Note: Install totals presented here are those voluntarily contributed from a variety of sources including solar incentive programs, utilities, installers, and the general public. [1] Data for some states is thinner than others.

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Cost of Utilities in Arizona

Arizona Electricity Costs

Residential electricity prices in Arizona averaged 12.72 cents per kilowatthour (¢/kWh) in August 2017, which was approximately 4% less than the overall U.S. average residential electricity rate of 13.19¢/kWh in August. [2]

Solar Power Poll: Arizona

Vote now: What do you think? Are solar panels & solar power a good choice for residents of the state of Arizona?

AZ: Yes, solar is a great option  
AZ: No, solar isn't a good option

Arizona Natural Gas Costs

Residential natural gas prices in Arizona averaged $23.32 per thousand cubic feet (Mcf) in August 2017, which was about 29% more than the overall U.S. average residential natural gas rate of $18.09 per Mcf in August. [3]

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More about Arizona

About Arizona

Arizona ranks 18th among all states in the U.S. with a population of approximately 6,392,017. [4]

AZ Solar Power

Solar Energy in AZ

To learn more about solar energy and solar power in Arizona, or for additional solar-related resources in AZ, visit the U.S. Energy Information Administration.

Did you know?

About half of the sun's energy is absorbed by the Earth's surface; about 30 percent is reflected back from the surface.

Cities in Arizona

References