Solar Energy & Solar Power Resources

Solar Power in 21555 (Oldtown, MD)

Solar Energy in 21555

Sorry, historical solar radition values for 21555 are currently unavailable, please check back later.

Solar Panels in 21555

Solar panels in 21555 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 21555

The total length of the day in 21555 (Oldtown, MD) today (September 17, 2026) will be 12 hours and 25 minutes. [More]

Solar Energy in 21555 (Oldtown, MD)

Solar Energy Data for 21555

See the chart below to see how different types of solar panel installations compare in 21555.

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

Solar Energy Analysis for 21555

Sorry, it is not possible to complete our solar energy analysis for 21555 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 21555

Solar Radiation Data in 21555

See the chart below for monthly solar radiation levels in 21555.

Sorry, data is not currently available.

Solar Radiation Analysis for 21555

Sorry, it is not possible to complete our solar radiation analysis for 21555 at this time.

Historical solar radiation data for 21555 is not currently available.

Please check back later.

Solar Power Comparison: 21555 vs. the U.S.

Solar Power Levels in 21555

Sorry, solar radiation data for 21555 is not currently available.

Solar Power: 21555 vs. the U.S.

Below is a month-by-month comparison of how average 21555 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 21555

Sunrise / Sunset in 21555

Sunrise/Sunset for September 17, 2026 ^[2]
- Sunrise: 6:56 am
- Sunset: 7:21 pm
- Length of Day: 12:25

Best Months for Solar in 21555

Monthly data not currently available.

Solar Panel Installs in 21555

We do not have data on solar panel installations in ZIP Code 21555 at the current time.

Solar Power Output in 21555

The Power of Solar in 21555

Monthly AC solar system output averages for 21555. Month-by-month solar power, as ranked by AC output, in 21555. ^[2]

AC output data is not currently available.

Solar Output Analysis for 21555

Sorry, it is not possible to complete our solar radiation analysis for 21555 at this time.

Historical solar radiation data for 21555 is not currently available.

Please check back later.

Weather Forecast for 21555 ^[5]

Thu Sep 17

87°F

Light Rain
Min: 67°F
Max: 87°F

Gentle Breeze: 8 mps W
Precip.: Chance of Rain
Humidity: 60%
Cloud cover: 93%

Fri Sep 18

78°F

Light Rain
Min: 68°F
Max: 79°F

Light breeze: 7 mps NNE
Precip.: Chance of Rain
Humidity: 81%
Cloud cover: 98%

Sat Sep 19

71°F

Overcast Clouds
Min: 63°F
Max: 72°F

Light breeze: 7 mps SE
Precip.: n/a
Humidity: 64%
Cloud cover: 100%

Sun Sep 20

83°F

Light Rain
Min: 66°F
Max: 83°F

Light breeze: 6 mps SSW
Precip.: Chance of Rain
Humidity: 60%
Cloud cover: 86%

Mon Sep 21

67°F

Light Rain
Min: 64°F
Max: 70°F

Light breeze: 7 mps NNE
Precip.: Chance of Rain
Humidity: 78%
Cloud cover: 100%

Tue Sep 22

62°F

Moderate Rain
Min: 58°F
Max: 63°F

Light breeze: 7 mps ENE
Precip.: Chance of Rain
Humidity: 88%
Cloud cover: 100%

More about 21555

About 21555

The ZIP code 21555 is associated with the city of Oldtown in Allegany County in Maryland.

21555 Solar Energy & Power

To learn more about solar energy and solar power in 21555, or for more solar-related resources for MD, check out the U.S. Energy Information Administration.