See the chart below to see how different types of solar panel installations compare in 85021.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical 85021 data, solar panels that always track the sun throughout the day will produce the maximum solar energy output in 85021. [1]
The region associated with 85021 has an average monthly Global Horizontal Irradiance (GHI) of 5.79 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 22% less than the average monthly Direct Normal Irradiance (DNI) of 7.42 kWh/m2/day. [1]
Solar installations in 85021 that are always titled at the latitude of Phoenix (Average Tilt at Latitude or ATaL) average 6.69 kWh/m2/day, or about 16% greater than the average monthly GHI of 5.79 kWh/m2/day and approximately 10% less than the average monthly DNI of 7.42 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 85021.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
The region associated with 85021 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 85021 is April with an average of 7.33 kWh/m2/day, followed by May at 7.11 kWh/m2/day and March at 7.05 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in 85021 are December with an average of 5.51 kWh/m2/day, followed by January with an average of 5.64 kWh/m2/day and February at 6.33 kWh/m2/day. [1]
The average monthly solar radiation level in 85021, 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 85021 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 have data on solar panel installations in ZIP Code 85021 at the current time.
Monthly AC solar system output averages for 85021. Month-by-month solar power, as ranked by AC output, in 85021. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
85021 has a average annual solar AC output value of 7106.57 kilowatt hours (AC). [2]
The month with the highest historical solar power output in 85021 is April with an average of 658.19 kWhac, followed by March at 656.92 kWhac and May at 639.72 kWhac. [2]
The three months that historically average the lowest average solar output levels in 85021 are December with an average of 526.15 kWhac, followed by January with an average of 538.69 kWhac and February at 540.24 kWhac. [2]
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The ZIP code 85021 is associated with the city of Phoenix in Maricopa County in Arizona.
To learn more about solar energy and solar power in 85021, or for more solar-related resources for AZ, check out the U.S. Energy Information Administration.
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