Solar Energy & Solar Power Resources

Solar Power in 37940 (Knoxville, TN)

Solar Energy in 37940

Sorry, historical solar radition values for 37940 are currently unavailable, please check back later.

Solar Panels in 37940

Solar panels in 37940 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 37940

The total length of the day in 37940 (Knoxville, TN) today (June 06, 2025) will be 14 hours and 34 minutes. [More]

Solar Energy in 37940 (Knoxville, TN)

Solar Energy Data for 37940

See the chart below to see how different types of solar panel installations compare in 37940.

Historical solar power output data for Knoxville is not currently available.

Solar Energy Analysis for 37940

Sorry, it is not possible to complete our solar energy analysis for 37940 at this time.

Please check back later.

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 37940

Solar Radiation Data in 37940

See the chart below for monthly solar radiation levels in 37940.

Sorry, data is not currently available.

Solar Radiation Analysis for 37940

Sorry, it is not possible to complete our solar radiation analysis for 37940 at this time.

Historical solar radiation data for 37940 is not currently available.

Please check back later.

Solar Power Comparison: 37940 vs. the U.S.

Solar Power Levels in 37940

Sorry, solar radiation data for 37940 is not currently available.

Solar Power: 37940 vs. the U.S.

Below is a month-by-month comparison of how average 37940 solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). ^[1]

Sorry, solar radiation data for Tennessee is not currently available.

Solar Data & Statistics for 37940

Sunrise / Sunset in 37940

Sunrise/Sunset for June 06, 2025 ^[2]
- Sunrise: 6:17 am
- Sunset: 8:51 pm
- Length of Day: 14:34

Best Months for Solar in 37940

Monthly data not currently available.

Solar Panel Installs in 37940

We do not have data on solar panel installations in ZIP Code 37940 at the current time.

Solar Power Output in 37940

The Power of Solar in 37940

Monthly AC solar system output averages for 37940. Month-by-month solar power, as ranked by AC output, in 37940. ^[2]

AC output data is not currently available.

Solar Output Analysis for 37940

Sorry, it is not possible to complete our solar radiation analysis for 37940 at this time.

Historical solar radiation data for 37940 is not currently available.

Please check back later.

Weather Forecast for 37940 ^[5]

Fri Jun 6

81°F

Moderate Rain
Min: 67°F
Max: 87°F

Light breeze: 8 mps WSW
Precip.: Chance of Rain
Humidity: 67%
Cloud cover: 66%

Sat Jun 7

82°F

Heavy Intensity Rain
Min: 64°F
Max: 83°F

Gentle Breeze: 11 mps WSW
Precip.: Chance of Rain
Humidity: 59%
Cloud cover: 38%

Sun Jun 8

72°F

Light Rain
Min: 64°F
Max: 80°F

Moderate breeze: 14 mps WSW
Precip.: Chance of Rain
Humidity: 87%
Cloud cover: 100%

Mon Jun 9

82°F

Light Rain
Min: 61°F
Max: 82°F

Gentle Breeze: 10 mps WSW
Precip.: Chance of Rain
Humidity: 47%
Cloud cover: 37%

Tue Jun 10

82°F

Light Rain
Min: 65°F
Max: 82°F

Gentle Breeze: 10 mps SW
Precip.: Chance of Rain
Humidity: 47%
Cloud cover: 10%

Wed Jun 11

78°F

Overcast Clouds
Min: 60°F
Max: 80°F

Light breeze: 5 mps ESE
Precip.: n/a
Humidity: 46%
Cloud cover: 100%

More about 37940

About 37940

The ZIP code 37940 is associated with the city of Knoxville in Knox County in Tennessee.

37940 Solar Energy & Power

To learn more about solar energy and solar power in 37940, or for more solar-related resources for TN, check out the U.S. Energy Information Administration.