Solar Energy & Solar Power Resources

Solar Power in 37928 (Knoxville, TN)

Solar Energy in 37928

Sorry, historical solar radition values for 37928 are currently unavailable, please check back later.

Solar Panels in 37928

Solar panels in 37928 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 37928

The total length of the day in 37928 (Knoxville, TN) today (July 23, 2026) will be 14 hours and 14 minutes. [More]

Solar Energy in 37928 (Knoxville, TN)

Solar Energy Data for 37928

See the chart below to see how different types of solar panel installations compare in 37928.

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

Solar Energy Analysis for 37928

Sorry, it is not possible to complete our solar energy analysis for 37928 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 37928

Solar Radiation Data in 37928

See the chart below for monthly solar radiation levels in 37928.

Sorry, data is not currently available.

Solar Radiation Analysis for 37928

Sorry, it is not possible to complete our solar radiation analysis for 37928 at this time.

Historical solar radiation data for 37928 is not currently available.

Please check back later.

Solar Power Comparison: 37928 vs. the U.S.

Solar Power Levels in 37928

Sorry, solar radiation data for 37928 is not currently available.

Solar Power: 37928 vs. the U.S.

Below is a month-by-month comparison of how average 37928 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 37928

Sunrise / Sunset in 37928

Sunrise/Sunset for July 23, 2026 ^[2]
- Sunrise: 6:35 am
- Sunset: 8:49 pm
- Length of Day: 14:14

Best Months for Solar in 37928

Monthly data not currently available.

Solar Panel Installs in 37928

We do not have data on solar panel installations in ZIP Code 37928 at the current time.

Solar Power Output in 37928

The Power of Solar in 37928

Monthly AC solar system output averages for 37928. Month-by-month solar power, as ranked by AC output, in 37928. ^[2]

AC output data is not currently available.

Solar Output Analysis for 37928

Sorry, it is not possible to complete our solar radiation analysis for 37928 at this time.

Historical solar radiation data for 37928 is not currently available.

Please check back later.

Weather Forecast for 37928 ^[5]

Thu Jul 23

79°F

Moderate Rain
Min: 73°F
Max: 79°F

Light breeze: 5 mps NNW
Precip.: Chance of Rain
Humidity: 86%
Cloud cover: 100%

Fri Jul 24

78°F

Light Rain
Min: 74°F
Max: 82°F

Light breeze: 7 mps S
Precip.: Chance of Rain
Humidity: 84%
Cloud cover: 100%

Sat Jul 25

72°F

Light Rain
Min: 68°F
Max: 83°F

Light breeze: 6 mps WSW
Precip.: Chance of Rain
Humidity: 80%
Cloud cover: 95%

Sun Jul 26

86°F

Scattered Clouds
Min: 68°F
Max: 88°F

Calm: 4 mps NW
Precip.: n/a
Humidity: 58%
Cloud cover: 34%

Mon Jul 27

89°F

Light Rain
Min: 71°F
Max: 94°F

Light breeze: 4 mps SSE
Precip.: Chance of Rain
Humidity: 53%
Cloud cover: 100%

Tue Jul 28

95°F

Overcast Clouds
Min: 75°F
Max: 99°F

Gentle Breeze: 10 mps W
Precip.: n/a
Humidity: 42%
Cloud cover: 99%

More about 37928

About 37928

The ZIP code 37928 is associated with the city of Knoxville in Knox County in Tennessee.

37928 Solar Energy & Power

To learn more about solar energy and solar power in 37928, or for more solar-related resources for TN, check out the U.S. Energy Information Administration.