Solar Energy & Solar Power Resources

Solar Power in 41821 (Hallie, KY)

Solar Energy in 41821

Sorry, historical solar radition values for 41821 are currently unavailable, please check back later.

Solar Panels in 41821

Solar panels in 41821 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 41821

The total length of the day in 41821 (Hallie, KY) today (October 25, 2025) will be 10 hours and 55 minutes. [More]

Solar Energy in 41821 (Hallie, KY)

Solar Energy Data for 41821

See the chart below to see how different types of solar panel installations compare in 41821.

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

Solar Energy Analysis for 41821

Sorry, it is not possible to complete our solar energy analysis for 41821 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 41821

Solar Radiation Data in 41821

See the chart below for monthly solar radiation levels in 41821.

Sorry, data is not currently available.

Solar Radiation Analysis for 41821

Sorry, it is not possible to complete our solar radiation analysis for 41821 at this time.

Historical solar radiation data for 41821 is not currently available.

Please check back later.

Solar Power Comparison: 41821 vs. the U.S.

Solar Power Levels in 41821

Sorry, solar radiation data for 41821 is not currently available.

Solar Power: 41821 vs. the U.S.

Below is a month-by-month comparison of how average 41821 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 41821

Sunrise / Sunset in 41821

Sunrise/Sunset for October 25, 2025 ^[2]
- Sunrise: 7:48 am
- Sunset: 6:43 pm
- Length of Day: 10:55

Best Months for Solar in 41821

Monthly data not currently available.

Solar Panel Installs in 41821

We do not have data on solar panel installations in ZIP Code 41821 at the current time.

Solar Power Output in 41821

The Power of Solar in 41821

Monthly AC solar system output averages for 41821. Month-by-month solar power, as ranked by AC output, in 41821. ^[2]

AC output data is not currently available.

Solar Output Analysis for 41821

Sorry, it is not possible to complete our solar radiation analysis for 41821 at this time.

Historical solar radiation data for 41821 is not currently available.

Please check back later.

Weather Forecast for 41821 ^[5]

Sat Oct 25

60°F

Overcast Clouds
Min: 37°F
Max: 63°F

Calm: 3 mps ESE
Precip.: n/a
Humidity: 28%
Cloud cover: 88%

Sun Oct 26

65°F

Light Rain
Min: 49°F
Max: 67°F

Light breeze: 6 mps ENE
Precip.: Chance of Rain
Humidity: 33%
Cloud cover: 99%

Mon Oct 27

56°F

Light Rain
Min: 47°F
Max: 58°F

Light breeze: 7 mps ESE
Precip.: Chance of Rain
Humidity: 76%
Cloud cover: 99%

Tue Oct 28

53°F

Light Rain
Min: 51°F
Max: 53°F

Calm: 3 mps SSE
Precip.: Chance of Rain
Humidity: 85%
Cloud cover: 100%

Wed Oct 29

50°F

Moderate Rain
Min: 48°F
Max: 50°F

Light breeze: 5 mps NNE
Precip.: Chance of Rain
Humidity: 96%
Cloud cover: 100%

Thu Oct 30

47°F

Moderate Rain
Min: 45°F
Max: 48°F

Light breeze: 7 mps NE
Precip.: Chance of Rain
Humidity: 91%
Cloud cover: 100%

More about 41821

About 41821

The ZIP code 41821 is associated with the city of Hallie in Letcher County in Kentucky.

41821 Solar Energy & Power

To learn more about solar energy and solar power in 41821, or for more solar-related resources for KY, check out the U.S. Energy Information Administration.