See the chart below to see how different types of solar panel installations compare in Marianna.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Marianna, AR data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Marianna. [1]
Marianna has an average monthly Global Horizontal Irradiance (GHI) of 4.5 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 1% greater than the average monthly Direct Normal Irradiance (DNI) of 4.45 kWh/m2/day. [1]
Solar installations in Marianna that are always titled at the latitude of Marianna (Average Tilt at Latitude or ATaL) average 5.07 kWh/m2/day, or about 13% greater than the average monthly GHI of 4.5 kWh/m2/day and approximately 14% greater than the average monthly DNI of 4.45 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 Marianna.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Marianna, AR has a average annual solar radiation value of 5.26 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Marianna is August with an average of 6.04 kWh/m2/day, followed by June at 6 kWh/m2/day and September at 5.96 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Marianna (Arkansas) are December with an average of 4 kWh/m2/day, followed by January with an average of 4.12 kWh/m2/day and February at 4.66 kWh/m2/day. [1]
The average monthly solar radiation level in Marianna, AR, of 5.26 kilowatt hours per square meter per day (kWh/m2/day) is approximately 34% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 20% 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 Marianna 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 Marianna, AR at this current time.
Monthly AC solar system output averages for Marianna (ar). Month-by-month solar power, as ranked by AC output, in Marianna. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Marianna (AR) has a average annual solar AC output value of 5886.5 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Marianna is August with an average of 542.3 kWhac, followed by September at 532.45 kWhac and May at 530.94 kWhac. [2]
The three months that historically average the lowest average solar output levels in Marianna (Arkansas) are December with an average of 401.83 kWhac, followed by January with an average of 415.54 kWhac and February at 424.41 kWhac. [2]
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The city of Marianna, AR in Lee County has an approximate population of 4,115. [6]
To learn more about solar energy and solar power Marianna, AR, or for more solar-related resources for Marianna, visit the U.S. Energy Information Administration.
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