See the chart below to see how different types of solar panel installations compare in 40840.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical 40840 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 40840. [1]
The region associated with 40840 has an average monthly Global Horizontal Irradiance (GHI) of 4.07 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 7% greater than the average monthly Direct Normal Irradiance (DNI) of 3.82 kWh/m2/day. [1]
Solar installations in 40840 that are always titled at the latitude of Helton (Average Tilt at Latitude or ATaL) average 4.62 kWh/m2/day, or about 14% greater than the average monthly GHI of 4.07 kWh/m2/day and approximately 21% greater than the average monthly DNI of 3.82 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 40840.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
The region associated with 40840 has a average annual solar radiation value of 4.85 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in 40840 is June with an average of 5.65 kWh/m2/day, followed by September at 5.61 kWh/m2/day and July at 5.47 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in 40840 are December with an average of 3.55 kWh/m2/day, followed by January with an average of 3.72 kWh/m2/day and February at 3.99 kWh/m2/day. [1]
The average monthly solar radiation level in 40840, of 4.85 kilowatt hours per square meter per day (kWh/m2/day) is approximately 23% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 27% 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 40840 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 40840 at the current time.
Monthly AC solar system output averages for 40840. Month-by-month solar power, as ranked by AC output, in 40840. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
40840 has a average annual solar AC output value of 5305.73 kilowatt hours (AC). [2]
The month with the highest historical solar power output in 40840 is July with an average of 497.02 kWhac, followed by June at 494.52 kWhac and May at 492.26 kWhac. [2]
The three months that historically average the lowest average solar output levels in 40840 are February with an average of 345.24 kWhac, followed by December with an average of 346.98 kWhac and January at 359.05 kWhac. [2]
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The ZIP code 40840 is associated with the city of Helton in Leslie County in Kentucky.
To learn more about solar energy and solar power in 40840, or for more solar-related resources for KY, check out the U.S. Energy Information Administration.
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