See the chart below to see how different types of solar panel installations compare in Iowa City.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Iowa City, IA data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Iowa City. [1]
Iowa City has an average monthly Global Horizontal Irradiance (GHI) of 3.94 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 2% less than the average monthly Direct Normal Irradiance (DNI) of 4.02 kWh/m2/day. [1]
Solar installations in Iowa City that are always titled at the latitude of Iowa City (Average Tilt at Latitude or ATaL) average 4.59 kWh/m2/day, or about 16% greater than the average monthly GHI of 3.94 kWh/m2/day and approximately 14% greater than the average monthly DNI of 4.02 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 Iowa City.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Iowa City, IA has a average annual solar radiation value of 4.89 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Iowa City is July with an average of 6.03 kWh/m2/day, followed by September at 5.94 kWh/m2/day and August at 5.9 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Iowa City (Iowa) are December with an average of 2.97 kWh/m2/day, followed by January with an average of 3.45 kWh/m2/day and November at 3.87 kWh/m2/day. [1]
The average monthly solar radiation level in Iowa City, IA, of 4.89 kilowatt hours per square meter per day (kWh/m2/day) is approximately 24% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 26% 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 Iowa City 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 Iowa City, IA at this current time.
Monthly AC solar system output averages for Iowa City (ia). Month-by-month solar power, as ranked by AC output, in Iowa City. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Iowa City (IA) has a average annual solar AC output value of 5616.38 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Iowa City is July with an average of 554.92 kWhac, followed by August at 550.18 kWhac and September at 541.57 kWhac. [2]
The three months that historically average the lowest average solar output levels in Iowa City (Iowa) are December with an average of 309.39 kWhac, followed by January with an average of 362.77 kWhac and November at 382.99 kWhac. [2]
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Vote now: Given all of the data and analysis provided for Iowa City, is solar power a good choice for residents of this city?
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The city of Iowa City, IA in Johnson County has an approximate population of 67,862. [6]
To learn more about solar energy and solar power Iowa City, IA, or for more solar-related resources for Iowa City, visit the U.S. Energy Information Administration.
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