Solar Energy & Solar Power Resources

Solar Power in 40921 (Bryants Store, KY)

Solar Energy in 40921

Sorry, historical solar radition values for 40921 are currently unavailable, please check back later.

Solar Panels in 40921

Solar panels in 40921 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 40921

The total length of the day in 40921 (Bryants Store, KY) today (November 07, 2025) will be 10 hours and 30 minutes. [More]

Solar Energy in 40921 (Bryants Store, KY)

Solar Energy Data for 40921

See the chart below to see how different types of solar panel installations compare in 40921.

Historical solar power output data for Bryants Store is not currently available.

Solar Energy Analysis for 40921

Sorry, it is not possible to complete our solar energy analysis for 40921 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 40921

Solar Radiation Data in 40921

See the chart below for monthly solar radiation levels in 40921.

Sorry, data is not currently available.

Solar Radiation Analysis for 40921

Sorry, it is not possible to complete our solar radiation analysis for 40921 at this time.

Historical solar radiation data for 40921 is not currently available.

Please check back later.

Solar Power Comparison: 40921 vs. the U.S.

Solar Power Levels in 40921

Sorry, solar radiation data for 40921 is not currently available.

Solar Power: 40921 vs. the U.S.

Below is a month-by-month comparison of how average 40921 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 Kentucky is not currently available.

Solar Data & Statistics for 40921

Sunrise / Sunset in 40921

Sunrise/Sunset for November 07, 2025 ^[2]
- Sunrise: 7:04 am
- Sunset: 5:34 pm
- Length of Day: 10:30

Best Months for Solar in 40921

Monthly data not currently available.

Solar Panel Installs in 40921

We do not have data on solar panel installations in ZIP Code 40921 at the current time.

Solar Power Output in 40921

The Power of Solar in 40921

Monthly AC solar system output averages for 40921. Month-by-month solar power, as ranked by AC output, in 40921. ^[2]

AC output data is not currently available.

Solar Output Analysis for 40921

Sorry, it is not possible to complete our solar radiation analysis for 40921 at this time.

Historical solar radiation data for 40921 is not currently available.

Please check back later.

Weather Forecast for 40921 ^[5]

Fri Nov 7

67°F

Heavy Intensity Rain
Min: 45°F
Max: 69°F

Moderate breeze: 14 mps SSW
Precip.: Chance of Rain
Humidity: 59%
Cloud cover: 99%

Sat Nov 8

65°F

Light Rain
Min: 49°F
Max: 67°F

Light breeze: 6 mps SSW
Precip.: Chance of Rain
Humidity: 54%
Cloud cover: 80%

Sun Nov 9

44°F

Rain And Snow
Min: 33°F
Max: 52°F

Moderate breeze: 12 mps W
Precip.: Chance of Rain
Humidity: 83%
Cloud cover: 100%

Mon Nov 10

32°F

Light Snow
Min: 23°F
Max: 34°F

Moderate breeze: 14 mps WNW
Precip.: Chance of Snow
Humidity: 39%
Cloud cover: 38%

Tue Nov 11

42°F

Few Clouds
Min: 23°F
Max: 44°F

Gentle Breeze: 10 mps WSW
Precip.: n/a
Humidity: 31%
Cloud cover: 24%

Wed Nov 12

56°F

Sky Is Clear
Min: 36°F
Max: 56°F

Moderate breeze: 14 mps WSW
Precip.: n/a
Humidity: 51%
Cloud cover: 0%

More about 40921

About 40921

The ZIP code 40921 is associated with the city of Bryants Store in Knox County in Kentucky.

40921 Solar Energy & Power

To learn more about solar energy and solar power in 40921, or for more solar-related resources for KY, check out the U.S. Energy Information Administration.