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Solar Power in 20855 (Derwood, MD)

Solar Energy in 20855

Sorry, historical solar radition values for 20855 are currently unavailable, please check back later.

Solar Panels in 20855

Solar panels in 20855 that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in 20855

The total length of the day in 20855 (Derwood, MD) today (September 19, 2020) will be 12 hours and 14 minutes. [More]

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20855 Solar Energy

Solar Energy in 20855 (Derwood, MD)

Solar Energy Data for 20855

See the chart below to see how different types of solar panel installations compare in 20855.

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


Solar Energy Analysis for 20855

Solar Radiation Data in 20855

Based on historical 20855 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 20855. [1]

The region associated with 20855 has an average monthly Global Horizontal Irradiance (GHI) of 4.13 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 2% less than the average monthly Direct Normal Irradiance (DNI) of 4.2 kWh/m2/day. [1]

Solar installations in 20855 that are always titled at the latitude of Derwood (Average Tilt at Latitude or ATaL) average 4.84 kWh/m2/day, or about 17% greater than the average monthly GHI of 4.13 kWh/m2/day and approximately 15% greater than the average monthly DNI of 4.2 kWh/m2/day. [1]

* See glossary & definitions below.

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 20855

Solar Radiation Data in 20855

See the chart below for monthly solar radiation levels in 20855.

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

Solar Radiation Analysis for 20855

Solar Radiation Data in 20855

Sorry, it is not possible to complete our solar radiation analysis for 20855 at this time.

Historical solar radiation data for 20855 is not currently available.

Please check back later.

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Solar Power Comparison: 20855 vs. the U.S.

Solar Power Levels in 20855

Sorry, solar radiation data for 20855 is not currently available. Please try again later.

Solar Power: 20855 vs. the U.S.

Below is a month-by-month comparison of how average 20855 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 20855

Sunrise / Sunset in 20855

  • Sunrise/Sunset for September 19, 2020 [2]
    • Sunrise: 10:54 am
    • Sunset: 11:09 pm
    • Solar Noon: 5:01 pm
    • Length of Day: 12:14
Solar Energy Statistics for 20855

Best Months for Solar in 20855

  • Top Solar Power Months Historically [1]
    • Solar Radiation n/a
    • ATaL: July (5.6 kWh/m2/day)
    • DNI: July (4.65 kWh/m2/day)
    • GHI: June (6.11 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in 20855

We do not currently have data on solar panel installations in 20855 at this current time.

However, 20855 is in Montgomery County and Montgomery County (MD) has at least 0 solar insallations right now. [1]

Solar Power Output in 20855

The Power of Solar in 20855

Monthly AC solar system output averages for 20855. Month-by-month solar power, as ranked by AC output, in 20855. [2]

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

Solar Output Analysis for 20855

Solar Radiation Data in 20855

Sorry, it is not possible to complete our solar radiation analysis for 20855 at this time.

Historical solar radiation data for 20855 is not currently available.

Please check back later.

Latest Solar News

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Weather Forecast for 20855 [5]

Sat Sep 19
61°F
Sky Is Clear
Min: 47°F
Max: 61°F
Gentle Breeze: 8 mps NNE
Precip.: n/a
Humidity: 38%
Cloud cover: 0%
Sun Sep 20
64°F
Sky Is Clear
Min: 45°F
Max: 64°F
Gentle Breeze: 7 mps NE
Precip.: n/a
Humidity: 37%
Cloud cover: 0%
Mon Sep 21
64°F
Sky Is Clear
Min: 47°F
Max: 64°F
Light breeze: 6 mps ENE
Precip.: n/a
Humidity: 35%
Cloud cover: 0%
Tue Sep 22
66°F
Sky Is Clear
Min: 47°F
Max: 67°F
Light breeze: 6 mps NW
Precip.: n/a
Humidity: 41%
Cloud cover: 0%
Wed Sep 23
74°F
Sky Is Clear
Min: 54°F
Max: 75°F
Gentle Breeze: 7 mps WNW
Precip.: n/a
Humidity: 48%
Cloud cover: 0%
Thu Sep 24
78°F
Sky Is Clear
Min: 59°F
Max: 78°F
Light breeze: 6 mps SW
Precip.: n/a
Humidity: 41%
Cloud cover: 3%

More about 20855

About 20855

The ZIP code 20855 is associated with the city of Derwood in Montgomery County in Maryland.

20855 Solar Power

20855 Solar Energy & Power

To learn more about solar energy and solar power in 20855, or for more solar-related resources for MD, check out the U.S. Energy Information Administration.

Did you know?

Various missions to space by different countries are known to utilize solar energy as a main power source.

Cities in Maryland

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References