Solar Energy & Solar Power Resources

Solar Power in 21742 (Hagerstown, MD)

Solar Energy in 21742

Sorry, historical solar radition values for 21742 are currently unavailable, please check back later.

Solar Panels in 21742

Solar panels in 21742 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 21742

The total length of the day in 21742 (Hagerstown, MD) today (October 31, 2026) will be 10 hours and 32 minutes. [More]

Solar Energy in 21742 (Hagerstown, MD)

Solar Energy Data for 21742

See the chart below to see how different types of solar panel installations compare in 21742.

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

Solar Energy Analysis for 21742

Sorry, it is not possible to complete our solar energy analysis for 21742 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 21742

Solar Radiation Data in 21742

See the chart below for monthly solar radiation levels in 21742.

Sorry, data is not currently available.

Solar Radiation Analysis for 21742

Sorry, it is not possible to complete our solar radiation analysis for 21742 at this time.

Historical solar radiation data for 21742 is not currently available.

Please check back later.

Solar Power Comparison: 21742 vs. the U.S.

Solar Power Levels in 21742

Sorry, solar radiation data for 21742 is not currently available.

Solar Power: 21742 vs. the U.S.

Below is a month-by-month comparison of how average 21742 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 Maryland is not currently available.

Solar Data & Statistics for 21742

Sunrise / Sunset in 21742

Sunrise/Sunset for October 31, 2026 ^[2]
- Sunrise: 7:38 am
- Sunset: 6:10 pm
- Length of Day: 10:32

Best Months for Solar in 21742

Monthly data not currently available.

Solar Panel Installs in 21742

We do not have data on solar panel installations in ZIP Code 21742 at the current time.

Solar Power Output in 21742

The Power of Solar in 21742

Monthly AC solar system output averages for 21742. Month-by-month solar power, as ranked by AC output, in 21742. ^[2]

AC output data is not currently available.

Solar Output Analysis for 21742

Sorry, it is not possible to complete our solar radiation analysis for 21742 at this time.

Historical solar radiation data for 21742 is not currently available.

Please check back later.

Weather Forecast for 21742 ^[5]

Sat Oct 31

60°F

Overcast Clouds
Min: 42°F
Max: 64°F

Light breeze: 6 mps N
Precip.: n/a
Humidity: 51%
Cloud cover: 97%

Sun Nov 1

62°F

Overcast Clouds
Min: 40°F
Max: 65°F

Light breeze: 4 mps S
Precip.: n/a
Humidity: 46%
Cloud cover: 100%

Mon Nov 2

57°F

Broken Clouds
Min: 46°F
Max: 65°F

Light breeze: 6 mps S
Precip.: n/a
Humidity: 56%
Cloud cover: 73%

Tue Nov 3

58°F

Broken Clouds
Min: 45°F
Max: 68°F

Gentle Breeze: 9 mps SSE
Precip.: n/a
Humidity: 65%
Cloud cover: 65%

Wed Nov 4

63°F

Sky Is Clear
Min: 51°F
Max: 71°F

Gentle Breeze: 12 mps S
Precip.: n/a
Humidity: 70%
Cloud cover: 0%

Thu Nov 5

63°F

Light Rain
Min: 57°F
Max: 68°F

Light breeze: 6 mps ESE
Precip.: Chance of Rain
Humidity: 82%
Cloud cover: 100%

More about 21742

About 21742

The ZIP code 21742 is associated with the city of Hagerstown in Washington County in Maryland.

21742 Solar Energy & Power

To learn more about solar energy and solar power in 21742, or for more solar-related resources for MD, check out the U.S. Energy Information Administration.