Based on historical Shirley, 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 Shirley.[1]
Shirley has an average monthly Global Horizontal Irradiance (GHI) of 4.35 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 1% less than the average monthly Direct Normal Irradiance (DNI) of 4.41 kWh/m2/day. [1]
Solar installations in Shirley that are always titled at the latitude of Shirley (Average Tilt at Latitude or ATaL) average 4.94 kWh/m2/day, or about 14% greater than the average monthly GHI of 4.35 kWh/m2/day and approximately 12% greater than the average monthly DNI of 4.41 kWh/m2/day. [1]
Solar Energy Glossary
Global Horizontal Irradiance (GHI)
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 (DNI)
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 (ATaL)
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.
Solar Radiation Levels in Shirley
Solar Radiation Data in Shirley, AR
See the chart below for monthly solar radiation levels in Shirley.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for Shirley, AR
Shirley, AR has a average annual solar radiation value of 5.13 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Shirley is August with an average of 6 kWh/m2/day, followed by July at 5.86 kWh/m2/day and September at 5.78 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Shirley (Arkansas) are December with an average of 3.89 kWh/m2/day, followed by January with an average of 4.16 kWh/m2/day and November at 4.4 kWh/m2/day. [1]
Solar Power Comparison: Shirley vs. the U.S.
Solar Power Levels in Shirley
The average monthly solar radiation level in Shirley, AR, of 5.13 kilowatt hours per square meter per day (kWh/m2/day) is approximately 31% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 22% 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).
Solar Power: Shirley vs. the U.S.
Below is a month-by-month comparison of how average Shirley 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 town of Shirley, AR at this current time.
Solar Power Output in Shirley
The Power of Solar in Shirley, AR
Monthly AC solar system output averages for Shirley (ar). Month-by-month solar power, as ranked by AC output, in Shirley. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for Shirley, AR
Shirley (AR) has a average annual solar AC output value of 5586.55 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Shirley is August with an average of 526.08 kWhac, followed by July at 512.07 kWhac and September at 501.66 kWhac. [2]
The three months that historically average the lowest average solar output levels in Shirley (Arkansas) are December with an average of 381.82 kWhac, followed by January with an average of 404.21 kWhac and November at 406.51 kWhac. [2]
Cost of Utilities in Shirley
Shirley Electricity Costs
Sorry, Shirley residential electricity prices are currently unavailable.
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Solar Power Poll: Shirley
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Shirley Natural Gas Costs
Sorry, Arkansas residential natural gas prices are currently unavailable.
The town of Shirley, AR in Van Buren County has an approximate population of 291. [6]
Shirley, AR Solar Energy
To learn more about solar energy and solar power Shirley, AR, or for more solar-related resources for Shirley, visit the U.S. Energy Information Administration.
Did you know?
Some tax incentives and rebate programs are designed to spur the use of solar energy. These vary by location.