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Solar Power in 71021 (Cullen, LA)

Solar Energy in 71021

The month of August has the highest historical solar radition values in 71021 with an average of 6.06 kWh/m2/day. [More]

Solar Panels in 71021

Solar panels in 71021 that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in 71021

The total length of the day in 71021 (Cullen, LA) today (March 29, 2024) will be 12 hours and 28 minutes. [More]

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71021 Solar Energy

Solar Energy in 71021 (Cullen, LA)

Solar Energy Data for 71021

See the chart below to see how different types of solar panel installations compare in 71021.

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


Solar Energy Analysis for 71021

Solar Radiation Data in 71021

Based on historical 71021 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 71021. [1]

The region associated with 71021 has an average monthly Global Horizontal Irradiance (GHI) of 4.5 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 3% greater than the average monthly Direct Normal Irradiance (DNI) of 4.35 kWh/m2/day. [1]

Solar installations in 71021 that are always titled at the latitude of Cullen (Average Tilt at Latitude or ATaL) average 5 kWh/m2/day, or about 11% greater than the average monthly GHI of 4.5 kWh/m2/day and approximately 15% greater than the average monthly DNI of 4.35 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 71021

Solar Radiation Data in 71021

See the chart below for monthly solar radiation levels in 71021.

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

Solar Radiation Analysis for 71021

Solar Radiation Data in 71021

The region associated with 71021 has a average annual solar radiation value of 5.25 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in 71021 is August with an average of 6.06 kWh/m2/day, followed by September at 5.9 kWh/m2/day and July at 5.83 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in 71021 are December with an average of 3.91 kWh/m2/day, followed by January with an average of 4.34 kWh/m2/day and February at 4.68 kWh/m2/day. [1]

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Solar Power Comparison: 71021 vs. the U.S.

Solar Power Levels in 71021

The average monthly solar radiation level in 71021, of 5.25 kilowatt hours per square meter per day (kWh/m2/day) is approximately 34% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 21% 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: 71021 vs. the U.S.

Below is a month-by-month comparison of how average 71021 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 71021

Sunrise / Sunset in 71021

  • Sunrise/Sunset for March 29, 2024 [2]
    • Sunrise: 7:04 am
    • Sunset: 7:32 pm
    • Length of Day: 12:28
Solar Energy Statistics for 71021

Best Months for Solar in 71021

  • Top Solar Power Months Historically [1]
    • Solar Radiation August (6.06 kWh/m2/day)
    • ATaL: August (6.04 kWh/m2/day)
    • DNI: July (5.41 kWh/m2/day)
    • GHI: July (6.47 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in 71021

We do not have data on solar panel installations in ZIP Code 71021 at the current time.

Solar Power Output in 71021

The Power of Solar in 71021

Monthly AC solar system output averages for 71021. Month-by-month solar power, as ranked by AC output, in 71021. [2]

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

Solar Output Analysis for 71021

Solar Radiation Data in 71021

71021 has a average annual solar AC output value of 5643.87 kilowatt hours (AC). [2]

The month with the highest historical solar power output in 71021 is August with an average of 530.48 kWhac, followed by July at 517.6 kWhac and October at 510.78 kWhac. [2]

The three months that historically average the lowest average solar output levels in 71021 are December with an average of 375.36 kWhac, followed by February with an average of 400.35 kWhac and January at 414.58 kWhac. [2]

Weather Forecast for 71021 [5]

Fri Mar 29
73°F
Scattered Clouds
Min: 44°F
Max: 75°F
Gentle Breeze: 12 mps SSW
Precip.: n/a
Humidity: 43%
Cloud cover: 37%
Sat Mar 30
75°F
Overcast Clouds
Min: 55°F
Max: 78°F
Gentle Breeze: 12 mps SSW
Precip.: n/a
Humidity: 55%
Cloud cover: 100%
Sun Mar 31
74°F
Overcast Clouds
Min: 60°F
Max: 75°F
Gentle Breeze: 11 mps SSW
Precip.: n/a
Humidity: 67%
Cloud cover: 99%
Mon Apr 1
80°F
Overcast Clouds
Min: 66°F
Max: 82°F
Moderate breeze: 14 mps S
Precip.: n/a
Humidity: 59%
Cloud cover: 100%
Tue Apr 2
75°F
Light Rain
Min: 56°F
Max: 75°F
Moderate breeze: 14 mps NW
Precip.: Chance of Rain
Humidity: 34%
Cloud cover: 26%
Wed Apr 3
62°F
Sky Is Clear
Min: 47°F
Max: 66°F
Gentle Breeze: 10 mps NNW
Precip.: n/a
Humidity: 35%
Cloud cover: 1%

More about 71021

About 71021

The ZIP code 71021 is associated with the city of Cullen in Webster County in Louisiana.

71021 Solar Power

71021 Solar Energy & Power

To learn more about solar energy and solar power in 71021, or for more solar-related resources for LA, check out the U.S. Energy Information Administration.

Did you know?

Solar cells convert sunlight into electricity through a physical process known as the photovoltaic effect.

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References

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