Solar Energy & Solar Power Resources

Solar Power in 21778 (Rocky Ridge, MD)

Solar Energy in 21778

Sorry, historical solar radition values for 21778 are currently unavailable, please check back later.

Solar Panels in 21778

Solar panels in 21778 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 21778

The total length of the day in 21778 (Rocky Ridge, MD) today (May 09, 2025) will be 14 hours and 14 minutes. [More]

Solar Energy in 21778 (Rocky Ridge, MD)

Solar Energy Data for 21778

See the chart below to see how different types of solar panel installations compare in 21778.

Historical solar power output data for Rocky Ridge is not currently available.

Solar Energy Analysis for 21778

Sorry, it is not possible to complete our solar energy analysis for 21778 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 21778

Solar Radiation Data in 21778

See the chart below for monthly solar radiation levels in 21778.

Sorry, data is not currently available.

Solar Radiation Analysis for 21778

Sorry, it is not possible to complete our solar radiation analysis for 21778 at this time.

Historical solar radiation data for 21778 is not currently available.

Please check back later.

Solar Power Comparison: 21778 vs. the U.S.

Solar Power Levels in 21778

Sorry, solar radiation data for 21778 is not currently available.

Solar Power: 21778 vs. the U.S.

Below is a month-by-month comparison of how average 21778 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 21778

Sunrise / Sunset in 21778

Sunrise/Sunset for May 09, 2025 ^[2]
- Sunrise: 5:58 am
- Sunset: 8:12 pm
- Length of Day: 14:14

Best Months for Solar in 21778

Monthly data not currently available.

Solar Panel Installs in 21778

We do not have data on solar panel installations in ZIP Code 21778 at the current time.

Solar Power Output in 21778

The Power of Solar in 21778

Monthly AC solar system output averages for 21778. Month-by-month solar power, as ranked by AC output, in 21778. ^[2]

AC output data is not currently available.

Solar Output Analysis for 21778

Sorry, it is not possible to complete our solar radiation analysis for 21778 at this time.

Historical solar radiation data for 21778 is not currently available.

Please check back later.

Weather Forecast for 21778 ^[5]

Fri May 9

56°F

Heavy Intensity Rain
Min: 45°F
Max: 62°F

Gentle Breeze: 12 mps NNE
Precip.: Chance of Rain
Humidity: 88%
Cloud cover: 100%

Sat May 10

63°F

Sky Is Clear
Min: 43°F
Max: 67°F

Moderate breeze: 15 mps NW
Precip.: n/a
Humidity: 51%
Cloud cover: 0%

Sun May 11

70°F

Overcast Clouds
Min: 51°F
Max: 71°F

Light breeze: 6 mps E
Precip.: n/a
Humidity: 58%
Cloud cover: 100%

Mon May 12

72°F

Overcast Clouds
Min: 52°F
Max: 73°F

Gentle Breeze: 8 mps SE
Precip.: n/a
Humidity: 64%
Cloud cover: 100%

Tue May 13

62°F

Moderate Rain
Min: 58°F
Max: 63°F

Gentle Breeze: 12 mps SE
Precip.: Chance of Rain
Humidity: 98%
Cloud cover: 100%

Wed May 14

70°F

Light Rain
Min: 63°F
Max: 72°F

Light breeze: 5 mps SSE
Precip.: Chance of Rain
Humidity: 87%
Cloud cover: 100%

More about 21778

About 21778

The ZIP code 21778 is associated with the city of Rocky Ridge in Frederick County in Maryland.

21778 Solar Energy & Power

To learn more about solar energy and solar power in 21778, or for more solar-related resources for MD, check out the U.S. Energy Information Administration.