Solar Energy & Solar Power Resources

Solar Power in 40829 (Grays Knob, KY)

Solar Energy in 40829

Sorry, historical solar radition values for 40829 are currently unavailable, please check back later.

Solar Panels in 40829

Solar panels in 40829 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 40829

The total length of the day in 40829 (Grays Knob, KY) today (October 11, 2025) will be 11 hours and 27 minutes. [More]

Solar Energy in 40829 (Grays Knob, KY)

Solar Energy Data for 40829

See the chart below to see how different types of solar panel installations compare in 40829.

Historical solar power output data for Grays Knob is not currently available.

Solar Energy Analysis for 40829

Sorry, it is not possible to complete our solar energy analysis for 40829 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 40829

Solar Radiation Data in 40829

See the chart below for monthly solar radiation levels in 40829.

Sorry, data is not currently available.

Solar Radiation Analysis for 40829

Sorry, it is not possible to complete our solar radiation analysis for 40829 at this time.

Historical solar radiation data for 40829 is not currently available.

Please check back later.

Solar Power Comparison: 40829 vs. the U.S.

Solar Power Levels in 40829

Sorry, solar radiation data for 40829 is not currently available.

Solar Power: 40829 vs. the U.S.

Below is a month-by-month comparison of how average 40829 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 40829

Sunrise / Sunset in 40829

Sunrise/Sunset for October 11, 2025 ^[2]
- Sunrise: 7:36 am
- Sunset: 7:03 pm
- Length of Day: 11:27

Best Months for Solar in 40829

Monthly data not currently available.

Solar Panel Installs in 40829

We do not have data on solar panel installations in ZIP Code 40829 at the current time.

Solar Power Output in 40829

The Power of Solar in 40829

Monthly AC solar system output averages for 40829. Month-by-month solar power, as ranked by AC output, in 40829. ^[2]

AC output data is not currently available.

Solar Output Analysis for 40829

Sorry, it is not possible to complete our solar radiation analysis for 40829 at this time.

Historical solar radiation data for 40829 is not currently available.

Please check back later.

Weather Forecast for 40829 ^[5]

Sat Oct 11

66°F

Sky Is Clear
Min: 46°F
Max: 71°F

Light breeze: 8 mps N
Precip.: n/a
Humidity: 44%
Cloud cover: 0%

Sun Oct 12

70°F

Sky Is Clear
Min: 47°F
Max: 72°F

Light breeze: 7 mps NE
Precip.: n/a
Humidity: 49%
Cloud cover: 2%

Mon Oct 13

71°F

Sky Is Clear
Min: 50°F
Max: 72°F

Gentle Breeze: 8 mps N
Precip.: n/a
Humidity: 49%
Cloud cover: 5%

Tue Oct 14

70°F

Sky Is Clear
Min: 50°F
Max: 70°F

Gentle Breeze: 8 mps NNE
Precip.: n/a
Humidity: 42%
Cloud cover: 0%

Wed Oct 15

70°F

Few Clouds
Min: 48°F
Max: 70°F

Gentle Breeze: 10 mps N
Precip.: n/a
Humidity: 48%
Cloud cover: 11%

Thu Oct 16

63°F

Sky Is Clear
Min: 42°F
Max: 63°F

Gentle Breeze: 8 mps N
Precip.: n/a
Humidity: 31%
Cloud cover: 0%

More about 40829

About 40829

The ZIP code 40829 is associated with the city of Grays Knob in Harlan County in Kentucky.

40829 Solar Energy & Power

To learn more about solar energy and solar power in 40829, or for more solar-related resources for KY, check out the U.S. Energy Information Administration.