See the chart below to see how different types of solar panel installations compare in Alma.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Alma, 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 Alma. [1]
Alma has an average monthly Global Horizontal Irradiance (GHI) of 4.43 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 5% less than the average monthly Direct Normal Irradiance (DNI) of 4.65 kWh/m2/day. [1]
Solar installations in Alma that are always titled at the latitude of Alma (Average Tilt at Latitude or ATaL) average 5.04 kWh/m2/day, or about 14% greater than the average monthly GHI of 4.43 kWh/m2/day and approximately 8% greater than the average monthly DNI of 4.65 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 Alma.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Alma, AR has a average annual solar radiation value of 5.24 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Alma is August with an average of 6.15 kWh/m2/day, followed by September at 6.12 kWh/m2/day and June at 6.03 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Alma (Arkansas) are December with an average of 4.13 kWh/m2/day, followed by January with an average of 4.3 kWh/m2/day and February at 4.54 kWh/m2/day. [1]
The average monthly solar radiation level in Alma, AR, of 5.24 kilowatt hours per square meter per day (kWh/m2/day) is approximately 33% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 21% 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 Alma 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 Alma, AR at this current time.
Monthly AC solar system output averages for Alma (ar). Month-by-month solar power, as ranked by AC output, in Alma. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Alma (AR) has a average annual solar AC output value of 5822.83 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Alma is August with an average of 559.1 kWhac, followed by September at 539.63 kWhac and June at 534.41 kWhac. [2]
The three months that historically average the lowest average solar output levels in Alma (Arkansas) are February with an average of 405.7 kWhac, followed by December with an average of 407.45 kWhac and January at 430 kWhac. [2]
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The city of Alma, AR in Crawford County has an approximate population of 5,419. [6]
To learn more about solar energy and solar power Alma, AR, or for more solar-related resources for Alma, visit the U.S. Energy Information Administration.
Nineteen-year-old Edmund Becquerel, a French experimental physicist, discovered the basis of solar energy in 1839.
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