Solar Energy & Solar Power Resources

Solar Power in 21791 (Union Bridge, MD)

Solar Energy in 21791

Sorry, historical solar radition values for 21791 are currently unavailable, please check back later.

Solar Panels in 21791

Solar panels in 21791 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 21791

The total length of the day in 21791 (Union Bridge, MD) today (November 03, 2026) will be 10 hours and 25 minutes. [More]

Solar Energy in 21791 (Union Bridge, MD)

Solar Energy Data for 21791

See the chart below to see how different types of solar panel installations compare in 21791.

Historical solar power output data for Union Bridge is not currently available.

Solar Energy Analysis for 21791

Sorry, it is not possible to complete our solar energy analysis for 21791 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 21791

Solar Radiation Data in 21791

See the chart below for monthly solar radiation levels in 21791.

Sorry, data is not currently available.

Solar Radiation Analysis for 21791

Sorry, it is not possible to complete our solar radiation analysis for 21791 at this time.

Historical solar radiation data for 21791 is not currently available.

Please check back later.

Solar Power Comparison: 21791 vs. the U.S.

Solar Power Levels in 21791

Sorry, solar radiation data for 21791 is not currently available.

Solar Power: 21791 vs. the U.S.

Below is a month-by-month comparison of how average 21791 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 21791

Sunrise / Sunset in 21791

Sunrise/Sunset for November 03, 2026 ^[2]
- Sunrise: 6:39 am
- Sunset: 5:04 pm
- Length of Day: 10:25

Best Months for Solar in 21791

Monthly data not currently available.

Solar Panel Installs in 21791

We do not have data on solar panel installations in ZIP Code 21791 at the current time.

Solar Power Output in 21791

The Power of Solar in 21791

Monthly AC solar system output averages for 21791. Month-by-month solar power, as ranked by AC output, in 21791. ^[2]

AC output data is not currently available.

Solar Output Analysis for 21791

Sorry, it is not possible to complete our solar radiation analysis for 21791 at this time.

Historical solar radiation data for 21791 is not currently available.

Please check back later.

Weather Forecast for 21791 ^[5]

Tue Nov 3

59°F

Scattered Clouds
Min: 45°F
Max: 68°F

Gentle Breeze: 8 mps S
Precip.: n/a
Humidity: 65%
Cloud cover: 41%

Wed Nov 4

67°F

Few Clouds
Min: 47°F
Max: 70°F

Moderate breeze: 13 mps S
Precip.: n/a
Humidity: 61%
Cloud cover: 16%

Thu Nov 5

66°F

Moderate Rain
Min: 62°F
Max: 71°F

Moderate breeze: 14 mps S
Precip.: Chance of Rain
Humidity: 93%
Cloud cover: 94%

Fri Nov 6

63°F

Light Rain
Min: 56°F
Max: 69°F

Light breeze: 5 mps NNE
Precip.: Chance of Rain
Humidity: 86%
Cloud cover: 77%

Sat Nov 7

62°F

Few Clouds
Min: 48°F
Max: 62°F

Moderate breeze: 13 mps WNW
Precip.: n/a
Humidity: 59%
Cloud cover: 18%

Sun Nov 8

51°F

Sky Is Clear
Min: 44°F
Max: 56°F

Gentle Breeze: 11 mps W
Precip.: n/a
Humidity: 54%
Cloud cover: 0%

More about 21791

About 21791

The ZIP code 21791 is associated with the city of Union Bridge in Carroll County in Maryland.

21791 Solar Energy & Power

To learn more about solar energy and solar power in 21791, or for more solar-related resources for MD, check out the U.S. Energy Information Administration.