Solar Energy & Solar Power Resources

Solar Power in 17821 (Danville, PA)

Solar Energy in 17821

Sorry, historical solar radition values for 17821 are currently unavailable, please check back later.

Solar Panels in 17821

Solar panels in 17821 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 17821

The total length of the day in 17821 (Danville, PA) today (October 06, 2025) will be 11 hours and 34 minutes. [More]

Solar Energy in 17821 (Danville, PA)

Solar Energy Data for 17821

See the chart below to see how different types of solar panel installations compare in 17821.

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

Solar Energy Analysis for 17821

Sorry, it is not possible to complete our solar energy analysis for 17821 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 17821

Solar Radiation Data in 17821

See the chart below for monthly solar radiation levels in 17821.

Sorry, data is not currently available.

Solar Radiation Analysis for 17821

Sorry, it is not possible to complete our solar radiation analysis for 17821 at this time.

Historical solar radiation data for 17821 is not currently available.

Please check back later.

Solar Power Comparison: 17821 vs. the U.S.

Solar Power Levels in 17821

Sorry, solar radiation data for 17821 is not currently available.

Solar Power: 17821 vs. the U.S.

Below is a month-by-month comparison of how average 17821 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 Pennsylvania is not currently available.

Solar Data & Statistics for 17821

Sunrise / Sunset in 17821

Sunrise/Sunset for October 06, 2025 ^[2]
- Sunrise: 7:07 am
- Sunset: 6:41 pm
- Length of Day: 11:34

Best Months for Solar in 17821

Monthly data not currently available.

Solar Panel Installs in 17821

We do not have data on solar panel installations in ZIP Code 17821 at the current time.

Solar Power Output in 17821

The Power of Solar in 17821

Monthly AC solar system output averages for 17821. Month-by-month solar power, as ranked by AC output, in 17821. ^[2]

AC output data is not currently available.

Solar Output Analysis for 17821

Sorry, it is not possible to complete our solar radiation analysis for 17821 at this time.

Historical solar radiation data for 17821 is not currently available.

Please check back later.

Weather Forecast for 17821 ^[5]

Mon Oct 6

71°F

Sky Is Clear
Min: 55°F
Max: 81°F

Light breeze: 5 mps SW
Precip.: n/a
Humidity: 71%
Cloud cover: 0%

Tue Oct 7

66°F

Light Rain
Min: 58°F
Max: 75°F

Gentle Breeze: 8 mps SSW
Precip.: Chance of Rain
Humidity: 87%
Cloud cover: 100%

Wed Oct 8

59°F

Heavy Intensity Rain
Min: 44°F
Max: 67°F

Moderate breeze: 13 mps N
Precip.: Chance of Rain
Humidity: 64%
Cloud cover: 100%

Thu Oct 9

53°F

Sky Is Clear
Min: 36°F
Max: 59°F

Light breeze: 8 mps NNE
Precip.: n/a
Humidity: 32%
Cloud cover: 0%

Fri Oct 10

56°F

Sky Is Clear
Min: 37°F
Max: 61°F

Gentle Breeze: 10 mps S
Precip.: n/a
Humidity: 50%
Cloud cover: 0%

Sat Oct 11

57°F

Overcast Clouds
Min: 45°F
Max: 63°F

Light breeze: 7 mps ESE
Precip.: n/a
Humidity: 68%
Cloud cover: 100%

More about 17821

About 17821

The ZIP code 17821 is associated with the city of Danville in Montour County in Pennsylvania.

17821 Solar Energy & Power

To learn more about solar energy and solar power in 17821, or for more solar-related resources for PA, check out the U.S. Energy Information Administration.