See the chart below to see how different types of solar panel installations compare in Phoenix.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Phoenix, AZ data, solar panels that always track the sun throughout the day will produce the maximum solar energy output in Phoenix. [1]
Phoenix has an average monthly Global Horizontal Irradiance (GHI) of 5.78 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 Phoenix that are always titled at the latitude of Phoenix (Average Tilt at Latitude or ATaL) average 6.68 kWh/m2/day, or about 16% greater than the average monthly GHI of 5.78 kWh/m2/day and approximately 9% less than the average monthly DNI of 7.35 kWh/m2/day. [1]
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: 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: 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.
See the chart below for monthly solar radiation levels in Phoenix.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Phoenix, AZ has a average annual solar radiation value of 6.59 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Phoenix is April with an average of 7.3 kWh/m2/day, followed by May at 7.13 kWh/m2/day and March at 7.02 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Phoenix (Arizona) are December with an average of 5.46 kWh/m2/day, followed by January with an average of 5.84 kWh/m2/day and November at 5.99 kWh/m2/day. [1]
The average monthly solar radiation level in Phoenix, AZ, of 6.59 kilowatt hours per square meter per day (kWh/m2/day) is approximately 68% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 0% less than the average level of 6.61 kWh/m2/day in a city with historically high levels (NV). [1]
→ Values listed as 0 (zero) are not available (N/A).
Below is a month-by-month comparison of how average Phoenix 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).
We do not currently have data on solar panel installations in the city of Phoenix, AZ at this current time.
Monthly AC solar system output averages for Phoenix (az). Month-by-month solar power, as ranked by AC output, in Phoenix. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Phoenix (AZ) has a average annual solar AC output value of 7081.45 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Phoenix is April with an average of 654.59 kWhac, followed by March at 652.6 kWhac and May at 635.93 kWhac. [2]
The three months that historically average the lowest average solar output levels in Phoenix (Arizona) are December with an average of 522.64 kWhac, followed by February with an average of 538.33 kWhac and November at 543.56 kWhac. [2]
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Vote now: Given all of the data and analysis provided for Phoenix, is solar power a good choice for residents of this city?
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The city of Phoenix, AZ in Maricopa County has an approximate population of 1,445,632. [6]
To learn more about solar energy and solar power Phoenix, AZ, or for more solar-related resources for Phoenix, visit the U.S. Energy Information Administration.
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