Solar Energy & Solar Power Resources

Solar Power in 21701 (Frederick, MD)

Solar Energy in 21701

Sorry, historical solar radition values for 21701 are currently unavailable, please check back later.

Solar Panels in 21701

Solar panels in 21701 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 21701

The total length of the day in 21701 (Frederick, MD) today (August 15, 2026) will be 13 hours and 46 minutes. [More]

Solar Energy in 21701 (Frederick, MD)

Solar Energy Data for 21701

See the chart below to see how different types of solar panel installations compare in 21701.

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

Solar Energy Analysis for 21701

Sorry, it is not possible to complete our solar energy analysis for 21701 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 21701

Solar Radiation Data in 21701

See the chart below for monthly solar radiation levels in 21701.

Sorry, data is not currently available.

Solar Radiation Analysis for 21701

Sorry, it is not possible to complete our solar radiation analysis for 21701 at this time.

Historical solar radiation data for 21701 is not currently available.

Please check back later.

Solar Power Comparison: 21701 vs. the U.S.

Solar Power Levels in 21701

Sorry, solar radiation data for 21701 is not currently available.

Solar Power: 21701 vs. the U.S.

Below is a month-by-month comparison of how average 21701 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 21701

Sunrise / Sunset in 21701

Sunrise/Sunset for August 15, 2026 ^[2]
- Sunrise: 6:20 am
- Sunset: 8:06 pm
- Length of Day: 13:46

Best Months for Solar in 21701

Monthly data not currently available.

Solar Panel Installs in 21701

We do not have data on solar panel installations in ZIP Code 21701 at the current time.

Solar Power Output in 21701

The Power of Solar in 21701

Monthly AC solar system output averages for 21701. Month-by-month solar power, as ranked by AC output, in 21701. ^[2]

AC output data is not currently available.

Solar Output Analysis for 21701

Sorry, it is not possible to complete our solar radiation analysis for 21701 at this time.

Historical solar radiation data for 21701 is not currently available.

Please check back later.

Weather Forecast for 21701 ^[5]

Sat Aug 15

82°F

Few Clouds
Min: 69°F
Max: 87°F

Light breeze: 7 mps NE
Precip.: n/a
Humidity: 48%
Cloud cover: 17%

Sun Aug 16

66°F

Heavy Intensity Rain
Min: 66°F
Max: 75°F

Moderate breeze: 14 mps S
Precip.: Chance of Rain
Humidity: 95%
Cloud cover: 100%

Mon Aug 17

84°F

Light Rain
Min: 70°F
Max: 88°F

Moderate breeze: 13 mps WNW
Precip.: Chance of Rain
Humidity: 64%
Cloud cover: 70%

Tue Aug 18

84°F

Sky Is Clear
Min: 64°F
Max: 84°F

Light breeze: 7 mps NNW
Precip.: n/a
Humidity: 41%
Cloud cover: 1%

Wed Aug 19

90°F

Light Rain
Min: 66°F
Max: 92°F

Gentle Breeze: 10 mps SW
Precip.: Chance of Rain
Humidity: 45%
Cloud cover: 4%

Thu Aug 20

83°F

Broken Clouds
Min: 66°F
Max: 83°F

Gentle Breeze: 10 mps NNW
Precip.: n/a
Humidity: 51%
Cloud cover: 66%

More about 21701

About 21701

The ZIP code 21701 is associated with the city of Frederick in Frederick County in Maryland.

21701 Solar Energy & Power

To learn more about solar energy and solar power in 21701, or for more solar-related resources for MD, check out the U.S. Energy Information Administration.