Based on historical 27502 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 27502.[1]
The region associated with 27502 has an average monthly Global Horizontal Irradiance (GHI) of 4.45 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 2% less than the average monthly Direct Normal Irradiance (DNI) of 4.55 kWh/m2/day. [1]
Solar installations in 27502 that are always titled at the latitude of Apex (Average Tilt at Latitude or ATaL) average 5.13 kWh/m2/day, or about 15% greater than the average monthly GHI of 4.45 kWh/m2/day and approximately 13% greater than the average monthly DNI of 4.55 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 27502
Solar Radiation Data in 27502
See the chart below for monthly solar radiation levels in 27502.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for 27502
The region associated with 27502 has a average annual solar radiation value of 5.3 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in 27502 is April with an average of 5.86 kWh/m2/day, followed by May at 5.79 kWh/m2/day and June at 5.75 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in 27502 are December with an average of 4.36 kWh/m2/day, followed by January with an average of 4.7 kWh/m2/day and November at 4.94 kWh/m2/day. [1]
Solar Power Comparison: 27502 vs. the U.S.
Solar Power Levels in 27502
The average monthly solar radiation level in 27502, of 5.3 kilowatt hours per square meter per day (kWh/m2/day) is approximately 35% 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).
Solar Power: 27502 vs. the U.S.
Below is a month-by-month comparison of how average 27502 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 27502 at the current time.
Solar Power Output in 27502
The Power of Solar in 27502
Monthly AC solar system output averages for 27502. Month-by-month solar power, as ranked by AC output, in 27502. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for 27502
27502 has a average annual solar AC output value of 5903.32 kilowatt hours (AC). [2]
The month with the highest historical solar power output in 27502 is May with an average of 541.1 kWhac, followed by April at 535.41 kWhac and March at 514.72 kWhac. [2]
The three months that historically average the lowest average solar output levels in 27502 are December with an average of 434.01 kWhac, followed by February with an average of 454.15 kWhac and November at 459.44 kWhac. [2]
The ZIP code 27502 is associated with the city of Apex in Wake County in North Carolina.
27502 Solar Energy & Power
To learn more about solar energy and solar power in 27502, or for more solar-related resources for NC, check out 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.