Based on historical 40118 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 40118.[1]
The region associated with 40118 has an average monthly Global Horizontal Irradiance (GHI) of 4.13 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 2% greater than the average monthly Direct Normal Irradiance (DNI) of 4.03 kWh/m2/day. [1]
Solar installations in 40118 that are always titled at the latitude of Fairdale (Average Tilt at Latitude or ATaL) average 4.72 kWh/m2/day, or about 14% greater than the average monthly GHI of 4.13 kWh/m2/day and approximately 17% greater than the average monthly DNI of 4.03 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 40118
Solar Radiation Data in 40118
See the chart below for monthly solar radiation levels in 40118.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for 40118
The region associated with 40118 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 40118 is August with an average of 5.92 kWh/m2/day, followed by June at 5.83 kWh/m2/day and September at 5.8 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in 40118 are December with an average of 3.33 kWh/m2/day, followed by January with an average of 3.59 kWh/m2/day and February at 3.94 kWh/m2/day. [1]
Solar Power Comparison: 40118 vs. the U.S.
Solar Power Levels in 40118
The average monthly solar radiation level in 40118, 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).
Solar Power: 40118 vs. the U.S.
Below is a month-by-month comparison of how average 40118 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 40118 at the current time.
Solar Power Output in 40118
The Power of Solar in 40118
Monthly AC solar system output averages for 40118. Month-by-month solar power, as ranked by AC output, in 40118. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for 40118
40118 has a average annual solar AC output value of 5510.8 kilowatt hours (AC). [2]
The month with the highest historical solar power output in 40118 is August with an average of 543.97 kWhac, followed by July at 524.65 kWhac and June at 522.07 kWhac. [2]
The three months that historically average the lowest average solar output levels in 40118 are December with an average of 337.72 kWhac, followed by February with an average of 359.65 kWhac and January at 362.08 kWhac. [2]
The ZIP code 40118 is associated with the city of Fairdale in Jefferson County in Kentucky.
40118 Solar Energy & Power
To learn more about solar energy and solar power in 40118, or for more solar-related resources for KY, check out the U.S. Energy Information Administration.
Did you know?
About half of the sun's energy is absorbed by the Earth's surface; about 30 percent is reflected back from the surface.