Solar Energy & Solar Power Resources

Solar Power in 21221 (Essex, MD)

Solar Energy in 21221

Sorry, historical solar radition values for 21221 are currently unavailable, please check back later.

Solar Panels in 21221

Solar panels in 21221 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 21221

The total length of the day in 21221 (Essex, MD) today (September 15, 2026) will be 12 hours and 30 minutes. [More]

Solar Energy in 21221 (Essex, MD)

Solar Energy Data for 21221

See the chart below to see how different types of solar panel installations compare in 21221.

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

Solar Energy Analysis for 21221

Sorry, it is not possible to complete our solar energy analysis for 21221 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 21221

Solar Radiation Data in 21221

See the chart below for monthly solar radiation levels in 21221.

Sorry, data is not currently available.

Solar Radiation Analysis for 21221

Sorry, it is not possible to complete our solar radiation analysis for 21221 at this time.

Historical solar radiation data for 21221 is not currently available.

Please check back later.

Solar Power Comparison: 21221 vs. the U.S.

Solar Power Levels in 21221

Sorry, solar radiation data for 21221 is not currently available.

Solar Power: 21221 vs. the U.S.

Below is a month-by-month comparison of how average 21221 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 21221

Sunrise / Sunset in 21221

Sunrise/Sunset for September 15, 2026 ^[2]
- Sunrise: 6:45 am
- Sunset: 7:15 pm
- Length of Day: 12:30

Best Months for Solar in 21221

Monthly data not currently available.

Solar Panel Installs in 21221

We do not have data on solar panel installations in ZIP Code 21221 at the current time.

Solar Power Output in 21221

The Power of Solar in 21221

Monthly AC solar system output averages for 21221. Month-by-month solar power, as ranked by AC output, in 21221. ^[2]

AC output data is not currently available.

Solar Output Analysis for 21221

Sorry, it is not possible to complete our solar radiation analysis for 21221 at this time.

Historical solar radiation data for 21221 is not currently available.

Please check back later.

Weather Forecast for 21221 ^[5]

Tue Sep 15

75°F

Scattered Clouds
Min: 53°F
Max: 77°F

Gentle Breeze: 11 mps NE
Precip.: n/a
Humidity: 50%
Cloud cover: 25%

Wed Sep 16

81°F

Sky Is Clear
Min: 61°F
Max: 82°F

Gentle Breeze: 8 mps SSE
Precip.: n/a
Humidity: 49%
Cloud cover: 0%

Thu Sep 17

85°F

Moderate Rain
Min: 67°F
Max: 87°F

Gentle Breeze: 8 mps SSE
Precip.: Chance of Rain
Humidity: 52%
Cloud cover: 87%

Fri Sep 18

83°F

Broken Clouds
Min: 70°F
Max: 84°F

Gentle Breeze: 9 mps NNW
Precip.: n/a
Humidity: 53%
Cloud cover: 84%

Sat Sep 19

73°F

Scattered Clouds
Min: 63°F
Max: 78°F

Light breeze: 7 mps SE
Precip.: n/a
Humidity: 50%
Cloud cover: 30%

Sun Sep 20

75°F

Light Rain
Min: 67°F
Max: 75°F

Gentle Breeze: 11 mps SSE
Precip.: Chance of Rain
Humidity: 60%
Cloud cover: 89%

More about 21221

About 21221

The ZIP code 21221 is associated with the city of Essex in Baltimore County in Maryland.

21221 Solar Energy & Power

To learn more about solar energy and solar power in 21221, or for more solar-related resources for MD, check out the U.S. Energy Information Administration.