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Solar Energy in Tempe, AZ

Solar Energy in Tempe

The month of May has the highest historical solar radition values in Tempe with an average of 7.54 kWh/m2/day. [More]

Solar Panels in Tempe

Solar panels in Tempe that always track the sun throughout the day will produce the maximum solar energy output. [More]

Sunrise & Sunset in Tempe

The total length of the day in Tempe, AZ today (September 24, 2017) will be 12 hours and 03 minutes. [More]

Tempe, AZ Solar Energy

Solar Power in Tempe, AZ

Solar Energy Data in Tempe, AZ

See the chart below to see how different types of solar panel installations compare in Tempe.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.


Solar Energy Analysis for Tempe, AZ

Solar Radiation Data in Tempe

Based on historical Tempe, AZ data, solar panels that always track the sun throughout the day will produce the maximum solar energy output in Tempe. [1]

Tempe has an average monthly Global Horizontal Irradiance (GHI) of 5.77 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 21% less than the average monthly Direct Normal Irradiance (DNI) of 7.35 kWh/m2/day. [1]

Solar installations in Tempe that are always titled at the latitude of Tempe (Average Tilt at Latitude or ATaL) average 6.67 kWh/m2/day, or about 16% greater than the average monthly GHI of 5.77 kWh/m2/day and approximately 9% less than the average monthly DNI of 7.35 kWh/m2/day. [1]

* See glossary & definitions below.

Solar Energy Glossary

Global Horizontal Irradiance (GHI)

Global Horizontal Irradiance: The total amount of solar radiation that is received per unit area by a surface that is always positioned in a horizontal manner.

Direct Normal Irradiance (DNI)

Direct Normal Irradiance: The total amount of solar radiation received per unit area by a surface that is always perpendicular to the sun rays that come in a straight line from the direction of the sun at its current position in the sky.

Average Tilt at Latitude (ATaL)

Average Tilt at Latitude: The total amount of solar radiation received per unit area by a surface that is tilted toward the equator at an angle equal to the current latitude. ATaL will often produce the optimum energy output.

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Solar Radiation Levels in Tempe

Solar Radiation Data in Tempe, AZ

See the chart below for monthly solar radiation levels in Tempe.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)

Solar Radiation Analysis for Tempe, AZ

Solar Radiation Data in Tempe

Tempe, AZ has a average annual solar radiation value of 6.57 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Tempe is May with an average of 7.54 kWh/m2/day, followed by April at 7.54 kWh/m2/day and June at 7.28 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Tempe (Arizona) are December with an average of 4.88 kWh/m2/day, followed by January with an average of 5.09 kWh/m2/day and November at 5.59 kWh/m2/day. [1]

Solar Power Comparison: Tempe vs. the U.S.

Solar Power Levels in Tempe

The average monthly solar radiation level in Tempe, AZ, 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 a city with historically low levels (WA) and is approximately 0% less than the average level of 6.6 kWh/m2/day in a city with historically high levels (NV). [1]


→ Values listed as 0 (zero) are not available (N/A).

Solar Power: vs. the U.S.

Below is a month-by-month comparison of how average Tempe solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city 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).

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Compare Solar Quotes

Solar Data & Statistics for Tempe

Sunrise / Sunset in Tempe

  • Sunrise/Sunset for September 24, 2017 [2]
    • Sunrise: 6:17 am
    • Sunset: 6:20 pm
    • Solar Noon: 12:19 pm
    • Length of Day: 12:03
Solar Energy Statistics for Tempe

Best Months for Solar in Tempe

  • Top Solar Power Months Historically [1]
    • Solar Radiation May (7.54 kWh/m2/day)
    • ATaL: April (7.47 kWh/m2/day)
    • DNI: June (9.14 kWh/m2/day)
    • GHI: June (8.29 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Tempe

We do not currently have data on solar panel installations in the city of Tempe, AZ at this current time.

However, Tempe is in Maricopa County and Maricopa County has at least 57,533 solar insallations right now. [1]

Solar Power Output in Tempe

The Power of Solar in Tempe, AZ

Monthly AC solar system output averages for Tempe (az). Month-by-month solar power, as ranked by AC output, in Tempe. [2]

* Amounts listed in kWhac (kilowatt hours (AC))

Solar Output Analysis for Tempe, AZ

Solar Radiation Data in Tempe

Tempe (AZ) has a average annual solar AC output value of 7161.23 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Tempe is May with an average of 687.86 kWhac, followed by April at 675.09 kWhac and August at 645.35 kWhac. [2]

The three months that historically average the lowest average solar output levels in Tempe (Arizona) are December with an average of 476.59 kWhac, followed by January with an average of 492.27 kWhac and November at 514.21 kWhac. [2]

Cost of Utilities in Tempe

Tempe Electricity Costs

Electricity prices (residential) in Tempe averaged 12.65 cents per kilowatthour (¢/kWh) in June 2017, which was about 4% less than the overall U.S. average residential electricity rate of 13.22¢/kWh in June. [3]

Solar Power Poll: Tempe

Vote now: Given all of the data and analysis provided for Tempe, is solar power a good choice for residents of this city?

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

Tempe Natural Gas Costs

Natural gas prices (residential) in Arizona averaged $20.28 per thousand cubic feet (Mcf) in June 2017, which was approximately 27% more than the overall U.S. average residential natural gas rate of $15.98 per Mcf in June. [4]

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Solar Businesses in Tempe

Solar Energy Contractors in Tempe

Contractors & builders that specialize in solar panel installations in or near Tempe, AZ.

Sorry, no local solar energy contractors found.

Our search for solar contractors companies located in Tempe produced no matches.

Solar Energy Equipment in Tempe

Businesses that sell solar energy equipment and/or solar parts in or near Tempe, AZ.

Sorry, no local business selling solar equipment were found.

Our search for companies selling solar parts located in Tempe produced no matches.

Energy Conservation Consultants in Tempe

Energy conservation specialists that offer consulting services in or near Tempe, AZ.

Sorry, no local energy conservation specialists were found.

Our search for energy conservation specialists located in Tempe produced no matches.

Weather Forecast for Tempe, AZ [5]

Sat Sep 23
81°F
Sky Is Clear
Min: 56°F
Max: 81°F
Fresh Breeze: 8 mps WSW
Precip.: n/a
Humidity: 18%
Cloud cover: 0%
Sun Sep 24
75°F
Sky Is Clear
Min: 47°F
Max: 79°F
Gentle Breeze: 3 mps NE
Precip.: n/a
Humidity: 27%
Cloud cover: 0%
Mon Sep 25
76°F
Sky Is Clear
Min: 44°F
Max: 83°F
Gentle Breeze: 4 mps ESE
Precip.: n/a
Humidity: 25%
Cloud cover: 0%
Tue Sep 26
81°F
Sky Is Clear
Min: 47°F
Max: 83°F
Gentle Breeze: 3 mps NNW
Precip.: n/a
Humidity: 0%
Cloud cover: 0%
Wed Sep 27
82°F
Sky Is Clear
Min: 46°F
Max: 86°F
Gentle Breeze: 4 mps NE
Precip.: n/a
Humidity: 0%
Cloud cover: 0%
Thu Sep 28
84°F
Sky Is Clear
Min: 48°F
Max: 91°F
Light breeze: 3 mps NE
Precip.: n/a
Humidity: 0%
Cloud cover: 0%

More about Tempe

About Tempe

The city of Tempe, AZ in Maricopa County has an approximate population of 161,719. [6]

Tempe Solar Power

Tempe, AZ Solar Energy

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

Did you know?

The largest solar power plant in the world covers 1000 acres & is located in the Mojave Desert in California.

Other Cities in Arizona

References