Solar Energy & Solar Power Resources

Solar Power in 37640 (Butler, TN)

Solar Energy in 37640

Sorry, historical solar radition values for 37640 are currently unavailable, please check back later.

Solar Panels in 37640

Solar panels in 37640 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 37640

The total length of the day in 37640 (Butler, TN) today (June 25, 2026) will be 14 hours and 41 minutes. [More]

Solar Energy in 37640 (Butler, TN)

Solar Energy Data for 37640

See the chart below to see how different types of solar panel installations compare in 37640.

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

Solar Energy Analysis for 37640

Sorry, it is not possible to complete our solar energy analysis for 37640 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 37640

Solar Radiation Data in 37640

See the chart below for monthly solar radiation levels in 37640.

Sorry, data is not currently available.

Solar Radiation Analysis for 37640

Sorry, it is not possible to complete our solar radiation analysis for 37640 at this time.

Historical solar radiation data for 37640 is not currently available.

Please check back later.

Solar Power Comparison: 37640 vs. the U.S.

Solar Power Levels in 37640

Sorry, solar radiation data for 37640 is not currently available.

Solar Power: 37640 vs. the U.S.

Below is a month-by-month comparison of how average 37640 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 37640

Sunrise / Sunset in 37640

Sunrise/Sunset for June 25, 2026 ^[2]
- Sunrise: 6:10 am
- Sunset: 8:51 pm
- Length of Day: 14:41

Best Months for Solar in 37640

Monthly data not currently available.

Solar Panel Installs in 37640

We do not have data on solar panel installations in ZIP Code 37640 at the current time.

Solar Power Output in 37640

The Power of Solar in 37640

Monthly AC solar system output averages for 37640. Month-by-month solar power, as ranked by AC output, in 37640. ^[2]

AC output data is not currently available.

Solar Output Analysis for 37640

Sorry, it is not possible to complete our solar radiation analysis for 37640 at this time.

Historical solar radiation data for 37640 is not currently available.

Please check back later.

Weather Forecast for 37640 ^[5]

Thu Jun 25

81°F

Scattered Clouds
Min: 56°F
Max: 83°F

Gentle Breeze: 9 mps NW
Precip.: n/a
Humidity: 55%
Cloud cover: 48%

Fri Jun 26

79°F

Heavy Intensity Rain
Min: 65°F
Max: 79°F

Light breeze: 5 mps NW
Precip.: Chance of Rain
Humidity: 41%
Cloud cover: 32%

Sat Jun 27

75°F

Light Rain
Min: 67°F
Max: 79°F

Moderate breeze: 12 mps W
Precip.: Chance of Rain
Humidity: 88%
Cloud cover: 98%

Sun Jun 28

71°F

Light Rain
Min: 68°F
Max: 80°F

Light breeze: 6 mps NW
Precip.: Chance of Rain
Humidity: 92%
Cloud cover: 100%

Mon Jun 29

89°F

Sky Is Clear
Min: 65°F
Max: 90°F

Light breeze: 7 mps NNW
Precip.: n/a
Humidity: 34%
Cloud cover: 0%

Tue Jun 30

88°F

Broken Clouds
Min: 66°F
Max: 90°F

Gentle Breeze: 8 mps NNW
Precip.: n/a
Humidity: 40%
Cloud cover: 68%

More about 37640

About 37640

The ZIP code 37640 is associated with the city of Butler in Johnson County in Tennessee.

37640 Solar Energy & Power

To learn more about solar energy and solar power in 37640, or for more solar-related resources for TN, check out the U.S. Energy Information Administration.