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Solar Power in 21771 (Mount Airy, MD)

Solar Energy in 21771

The month of July has the highest historical solar radition values in 21771 with an average of 5.89 kWh/m2/day. [More]

Solar Panels in 21771

Solar panels in 21771 that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in 21771

The total length of the day in 21771 (Mount Airy, MD) today (August 09, 2022) will be 13 hours and 56 minutes. [More]

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21771 Solar Energy

Solar Energy in 21771 (Mount Airy, MD)

Solar Energy Data for 21771

See the chart below to see how different types of solar panel installations compare in 21771.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.


Solar Energy Analysis for 21771

Solar Radiation Data in 21771

Based on historical 21771 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 21771. [1]

The region associated with 21771 has an average monthly Global Horizontal Irradiance (GHI) of 4.1 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 0% less than the average monthly Direct Normal Irradiance (DNI) of 4.12 kWh/m2/day. [1]

Solar installations in 21771 that are always titled at the latitude of Mount Airy (Average Tilt at Latitude or ATaL) average 4.8 kWh/m2/day, or about 17% greater than the average monthly GHI of 4.1 kWh/m2/day and approximately 17% greater than the average monthly DNI of 4.12 kWh/m2/day. [1]

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 21771

Solar Radiation Data in 21771

See the chart below for monthly solar radiation levels in 21771.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)

Solar Radiation Analysis for 21771

Solar Radiation Data in 21771

The region associated with 21771 has a average annual solar radiation value of 5.02 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in 21771 is July with an average of 5.89 kWh/m2/day, followed by August at 5.82 kWh/m2/day and June at 5.67 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in 21771 are December with an average of 3.31 kWh/m2/day, followed by January with an average of 3.9 kWh/m2/day and November at 4.22 kWh/m2/day. [1]

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Solar Power Comparison: 21771 vs. the U.S.

Solar Power Levels in 21771

The average monthly solar radiation level in 21771, of 5.02 kilowatt hours per square meter per day (kWh/m2/day) is approximately 28% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 24% less than the average level of 6.61 kWh/m2/day in a city with historically high levels (NV). [1]


→ Values listed as 0 (zero) are not available (N/A).

Solar Power: 21771 vs. the U.S.

Below is a month-by-month comparison of how average 21771 solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). [1]

→ k/m/d = kWh/m2/day = kilowatt hours per square meter per day.
→ Values listed as 0 (zero) are not available (N/A).

Solar Data & Statistics for 21771

Sunrise / Sunset in 21771

  • Sunrise/Sunset for August 09, 2022 [2]
    • Sunrise: 6:16 am
    • Sunset: 8:12 pm
    • Length of Day: 13:56
Solar Energy Statistics for 21771

Best Months for Solar in 21771

  • Top Solar Power Months Historically [1]
    • Solar Radiation July (5.89 kWh/m2/day)
    • ATaL: July (5.61 kWh/m2/day)
    • DNI: July (4.67 kWh/m2/day)
    • GHI: June (6.09 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in 21771

We do not have data on solar panel installations in ZIP Code 21771 at the current time.

Solar Power Output in 21771

The Power of Solar in 21771

Monthly AC solar system output averages for 21771. Month-by-month solar power, as ranked by AC output, in 21771. [2]

* Amounts listed in kWhac (kilowatt hours (AC))

Solar Output Analysis for 21771

Solar Radiation Data in 21771

21771 has a average annual solar AC output value of 5722.26 kilowatt hours (AC). [2]

The month with the highest historical solar power output in 21771 is July with an average of 546.02 kWhac, followed by August at 530.81 kWhac and May at 527.61 kWhac. [2]

The three months that historically average the lowest average solar output levels in 21771 are December with an average of 338.76 kWhac, followed by January with an average of 400.99 kWhac and November at 412.14 kWhac. [2]

Weather Forecast for 21771 [5]

Tue Aug 9
92°F
Moderate Rain
Min: 73°F
Max: 95°F
Gentle Breeze: 10 mps W
Precip.: Chance of Rain
Humidity: 45%
Cloud cover: 9%
Wed Aug 10
86°F
Heavy Intensity Rain
Min: 69°F
Max: 88°F
Gentle Breeze: 9 mps SW
Precip.: Chance of Rain
Humidity: 60%
Cloud cover: 19%
Thu Aug 11
83°F
Moderate Rain
Min: 69°F
Max: 85°F
Gentle Breeze: 11 mps W
Precip.: Chance of Rain
Humidity: 38%
Cloud cover: 82%
Fri Aug 12
79°F
Sky Is Clear
Min: 63°F
Max: 79°F
Gentle Breeze: 12 mps N
Precip.: n/a
Humidity: 35%
Cloud cover: 0%
Sat Aug 13
77°F
Few Clouds
Min: 56°F
Max: 78°F
Gentle Breeze: 10 mps N
Precip.: n/a
Humidity: 30%
Cloud cover: 16%
Sun Aug 14
81°F
Overcast Clouds
Min: 57°F
Max: 82°F
Gentle Breeze: 11 mps SSW
Precip.: n/a
Humidity: 32%
Cloud cover: 95%

More about 21771

About 21771

The ZIP code 21771 is associated with the city of Mount Airy in Frederick County in Maryland.

21771 Solar Power

21771 Solar Energy & Power

To learn more about solar energy and solar power in 21771, or for more solar-related resources for MD, check out the U.S. Energy Information Administration.

Did you know?

The solar energy that strikes the Earth in one hour could provide all of the Earth's energy needs for a complete year.

Cities in Maryland

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References

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