Solar Energy & Solar Power Resources

Solar Power in 21158 (Westminster, MD)

Solar Energy in 21158

Sorry, historical solar radition values for 21158 are currently unavailable, please check back later.

Solar Panels in 21158

Solar panels in 21158 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 21158

The total length of the day in 21158 (Westminster, MD) today (November 10, 2025) will be 10 hours and 13 minutes. [More]

Solar Energy in 21158 (Westminster, MD)

Solar Energy Data for 21158

See the chart below to see how different types of solar panel installations compare in 21158.

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

Solar Energy Analysis for 21158

Sorry, it is not possible to complete our solar energy analysis for 21158 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 21158

Solar Radiation Data in 21158

See the chart below for monthly solar radiation levels in 21158.

Sorry, data is not currently available.

Solar Radiation Analysis for 21158

Sorry, it is not possible to complete our solar radiation analysis for 21158 at this time.

Historical solar radiation data for 21158 is not currently available.

Please check back later.

Solar Power Comparison: 21158 vs. the U.S.

Solar Power Levels in 21158

Sorry, solar radiation data for 21158 is not currently available.

Solar Power: 21158 vs. the U.S.

Below is a month-by-month comparison of how average 21158 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 21158

Sunrise / Sunset in 21158

Sunrise/Sunset for November 10, 2025 ^[2]
- Sunrise: 6:45 am
- Sunset: 4:58 pm
- Length of Day: 10:13

Best Months for Solar in 21158

Monthly data not currently available.

Solar Panel Installs in 21158

We do not have data on solar panel installations in ZIP Code 21158 at the current time.

Solar Power Output in 21158

The Power of Solar in 21158

Monthly AC solar system output averages for 21158. Month-by-month solar power, as ranked by AC output, in 21158. ^[2]

AC output data is not currently available.

Solar Output Analysis for 21158

Sorry, it is not possible to complete our solar radiation analysis for 21158 at this time.

Historical solar radiation data for 21158 is not currently available.

Please check back later.

Weather Forecast for 21158 ^[5]

Mon Nov 10

41°F

Sky Is Clear
Min: 31°F
Max: 49°F

Moderate breeze: 18 mps NW
Precip.: n/a
Humidity: 63%
Cloud cover: 6%

Tue Nov 11

35°F

Overcast Clouds
Min: 25°F
Max: 41°F

Fresh Breeze: 22 mps WNW
Precip.: n/a
Humidity: 43%
Cloud cover: 86%

Wed Nov 12

45°F

Broken Clouds
Min: 28°F
Max: 51°F

Moderate breeze: 18 mps W
Precip.: n/a
Humidity: 43%
Cloud cover: 58%

Thu Nov 13

43°F

Few Clouds
Min: 32°F
Max: 50°F

Moderate breeze: 18 mps WNW
Precip.: n/a
Humidity: 55%
Cloud cover: 15%

Fri Nov 14

48°F

Overcast Clouds
Min: 36°F
Max: 53°F

Moderate breeze: 13 mps W
Precip.: n/a
Humidity: 62%
Cloud cover: 100%

Sat Nov 15

37°F

Sky Is Clear
Min: 28°F
Max: 43°F

Moderate breeze: 13 mps NNW
Precip.: n/a
Humidity: 54%
Cloud cover: 6%

More about 21158

About 21158

The ZIP code 21158 is associated with the city of Westminster in Carroll County in Maryland.

21158 Solar Energy & Power

To learn more about solar energy and solar power in 21158, or for more solar-related resources for MD, check out the U.S. Energy Information Administration.