See the chart below to see how different types of solar panel installations compare in 42127.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical 42127 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 42127. [1]
The region associated with 42127 has an average monthly Global Horizontal Irradiance (GHI) of 4.17 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 4% greater than the average monthly Direct Normal Irradiance (DNI) of 4.02 kWh/m2/day. [1]
Solar installations in 42127 that are always titled at the latitude of Cave City (Average Tilt at Latitude or ATaL) average 4.73 kWh/m2/day, or about 13% greater than the average monthly GHI of 4.17 kWh/m2/day and approximately 18% greater than the average monthly DNI of 4.02 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 42127.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
The region associated with 42127 has a average annual solar radiation value of 4.95 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in 42127 is August with an average of 5.93 kWh/m2/day, followed by June at 5.84 kWh/m2/day and July at 5.72 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in 42127 are December with an average of 3.22 kWh/m2/day, followed by January with an average of 3.62 kWh/m2/day and February at 4.18 kWh/m2/day. [1]
The average monthly solar radiation level in 42127, of 4.95 kilowatt hours per square meter per day (kWh/m2/day) is approximately 26% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 25% 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 42127 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 42127 at the current time.
Monthly AC solar system output averages for 42127. Month-by-month solar power, as ranked by AC output, in 42127. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
42127 has a average annual solar AC output value of 5530.69 kilowatt hours (AC). [2]
The month with the highest historical solar power output in 42127 is August with an average of 537.55 kWhac, followed by May at 521.79 kWhac and July at 519.53 kWhac. [2]
The three months that historically average the lowest average solar output levels in 42127 are December with an average of 323.39 kWhac, followed by January with an average of 365.38 kWhac and February at 374.73 kWhac. [2]
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The ZIP code 42127 is associated with the city of Cave City in Barren County in Kentucky.
To learn more about solar energy and solar power in 42127, or for more solar-related resources for KY, check out 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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