See the chart below to see how different types of solar panel installations compare in 52231.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical 52231 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 52231. [1]
The region associated with 52231 has an average monthly Global Horizontal Irradiance (GHI) of 3.98 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 3% less than the average monthly Direct Normal Irradiance (DNI) of 4.1 kWh/m2/day. [1]
Solar installations in 52231 that are always titled at the latitude of Harper (Average Tilt at Latitude or ATaL) average 4.64 kWh/m2/day, or about 17% greater than the average monthly GHI of 3.98 kWh/m2/day and approximately 13% greater than the average monthly DNI of 4.1 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 52231.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
The region associated with 52231 has a average annual solar radiation value of 4.97 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in 52231 is September with an average of 6.1 kWh/m2/day, followed by July at 6.08 kWh/m2/day and August at 5.96 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in 52231 are December with an average of 3.01 kWh/m2/day, followed by January with an average of 3.49 kWh/m2/day and November at 3.94 kWh/m2/day. [1]
The average monthly solar radiation level in 52231, of 4.97 kilowatt hours per square meter per day (kWh/m2/day) is approximately 26% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 25% 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 52231 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 52231 at the current time.
Monthly AC solar system output averages for 52231. Month-by-month solar power, as ranked by AC output, in 52231. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
52231 has a average annual solar AC output value of 5690.55 kilowatt hours (AC). [2]
The month with the highest historical solar power output in 52231 is July with an average of 558.11 kWhac, followed by September at 554.24 kWhac and August at 553.41 kWhac. [2]
The three months that historically average the lowest average solar output levels in 52231 are December with an average of 317.3 kWhac, followed by January with an average of 365.62 kWhac and November at 383.53 kWhac. [2]
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The ZIP code 52231 is associated with the city of Harper in Keokuk County in Iowa.
To learn more about solar energy and solar power in 52231, or for more solar-related resources for IA, check out the U.S. Energy Information Administration.
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