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Solar Power in 77581 (Pearland, TX)

Solar Energy in 77581

The month of October has the highest historical solar radition values in 77581 with an average of 6.06 kWh/m2/day. [More]

Solar Panels in 77581

Solar panels in 77581 that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in 77581

The total length of the day in 77581 (Pearland, TX) today (September 17, 2025) will be 12 hours and 19 minutes. [More]

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77581 Solar Energy

Solar Energy in 77581 (Pearland, TX)

Solar Energy Data for 77581

See the chart below to see how different types of solar panel installations compare in 77581.

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


Solar Energy Analysis for 77581

Solar Radiation Data in 77581

Based on historical 77581 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 77581. [1]

The region associated with 77581 has an average monthly Global Horizontal Irradiance (GHI) of 4.6 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 8% greater than the average monthly Direct Normal Irradiance (DNI) of 4.24 kWh/m2/day. [1]

Solar installations in 77581 that are always titled at the latitude of Pearland (Average Tilt at Latitude or ATaL) average 5 kWh/m2/day, or about 9% greater than the average monthly GHI of 4.6 kWh/m2/day and approximately 18% greater than the average monthly DNI of 4.24 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 77581

Solar Radiation Data in 77581

See the chart below for monthly solar radiation levels in 77581.

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

Solar Radiation Analysis for 77581

Solar Radiation Data in 77581

The region associated with 77581 has a average annual solar radiation value of 5.26 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in 77581 is October with an average of 6.06 kWh/m2/day, followed by September at 5.85 kWh/m2/day and August at 5.8 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in 77581 are December with an average of 4.37 kWh/m2/day, followed by February with an average of 4.49 kWh/m2/day and January at 4.58 kWh/m2/day. [1]

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Solar Power Comparison: 77581 vs. the U.S.

Solar Power Levels in 77581

The average monthly solar radiation level in 77581, of 5.26 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 20% 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: 77581 vs. the U.S.

Below is a month-by-month comparison of how average 77581 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 77581

Sunrise / Sunset in 77581

  • Sunrise/Sunset for September 17, 2025 [2]
    • Sunrise: 7:05 am
    • Sunset: 7:24 pm
    • Length of Day: 12:19
Solar Energy Statistics for 77581

Best Months for Solar in 77581

  • Top Solar Power Months Historically [1]
    • Solar Radiation October (6.06 kWh/m2/day)
    • ATaL: August (5.74 kWh/m2/day)
    • DNI: June (4.9 kWh/m2/day)
    • GHI: June (6.23 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in 77581

We do not have data on solar panel installations in ZIP Code 77581 at the current time.

Solar Power Output in 77581

The Power of Solar in 77581

Monthly AC solar system output averages for 77581. Month-by-month solar power, as ranked by AC output, in 77581. [2]

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

Solar Output Analysis for 77581

Solar Radiation Data in 77581

77581 has a average annual solar AC output value of 5839.2 kilowatt hours (AC). [2]

The month with the highest historical solar power output in 77581 is October with an average of 572.77 kWhac, followed by August at 531.07 kWhac and May at 520.81 kWhac. [2]

The three months that historically average the lowest average solar output levels in 77581 are February with an average of 396.78 kWhac, followed by December with an average of 422.52 kWhac and January at 447.55 kWhac. [2]

Weather Forecast for 77581 [5]

Wed Sep 17
92°F
Light Rain
Min: 73°F
Max: 94°F
Gentle Breeze: 11 mps SSE
Precip.: Chance of Rain
Humidity: 38%
Cloud cover: 2%
Thu Sep 18
92°F
Moderate Rain
Min: 73°F
Max: 93°F
Moderate breeze: 14 mps ESE
Precip.: Chance of Rain
Humidity: 41%
Cloud cover: 2%
Fri Sep 19
90°F
Few Clouds
Min: 74°F
Max: 91°F
Moderate breeze: 13 mps ESE
Precip.: n/a
Humidity: 37%
Cloud cover: 20%
Sat Sep 20
92°F
Scattered Clouds
Min: 74°F
Max: 92°F
Moderate breeze: 15 mps SE
Precip.: n/a
Humidity: 42%
Cloud cover: 45%
Sun Sep 21
92°F
Scattered Clouds
Min: 74°F
Max: 92°F
Moderate breeze: 15 mps SE
Precip.: n/a
Humidity: 41%
Cloud cover: 33%
Mon Sep 22
87°F
Light Rain
Min: 76°F
Max: 87°F
Moderate breeze: 13 mps SSE
Precip.: Chance of Rain
Humidity: 59%
Cloud cover: 18%

More about 77581

About 77581

The ZIP code 77581 is associated with the city of Pearland in Brazoria County in Texas.

77581 Solar Power

77581 Solar Energy & Power

To learn more about solar energy and solar power in 77581, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.

Did you know?

It takes light about 8 minutes, 19 seconds to travel the 93,000,000 miles from the sun's surface to us on Earth.

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References

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