See the chart below to see how different types of solar panel installations compare in 37918.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical 37918 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 37918. [1]
The region associated with 37918 has an average monthly Global Horizontal Irradiance (GHI) of 4.33 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 3% greater than the average monthly Direct Normal Irradiance (DNI) of 4.2 kWh/m2/day. [1]
Solar installations in 37918 that are always titled at the latitude of Knoxville (Average Tilt at Latitude or ATaL) average 4.93 kWh/m2/day, or about 14% greater than the average monthly GHI of 4.33 kWh/m2/day and approximately 17% greater than the average monthly DNI of 4.2 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 37918.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
The region associated with 37918 has a average annual solar radiation value of 5.14 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in 37918 is August with an average of 5.93 kWh/m2/day, followed by June at 5.83 kWh/m2/day and September at 5.73 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in 37918 are December with an average of 3.74 kWh/m2/day, followed by January with an average of 4 kWh/m2/day and February at 4.52 kWh/m2/day. [1]
The average monthly solar radiation level in 37918, of 5.14 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).
Below is a month-by-month comparison of how average 37918 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 37918 at the current time.
Monthly AC solar system output averages for 37918. Month-by-month solar power, as ranked by AC output, in 37918. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
37918 has a average annual solar AC output value of 5652.58 kilowatt hours (AC). [2]
The month with the highest historical solar power output in 37918 is August with an average of 535.1 kWhac, followed by May at 520.14 kWhac and June at 507.21 kWhac. [2]
The three months that historically average the lowest average solar output levels in 37918 are December with an average of 369.16 kWhac, followed by February with an average of 395.38 kWhac and January at 396.46 kWhac. [2]
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The ZIP code 37918 is associated with the city of Knoxville in Knox County in Tennessee.
To learn more about solar energy and solar power in 37918, or for more solar-related resources for TN, check out the U.S. Energy Information Administration.
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