Solar Energy & Solar Power Resources

Solar Power in 77020 (Houston, TX)

Solar Energy in 77020

Sorry, historical solar radition values for 77020 are currently unavailable, please check back later.

Solar Panels in 77020

Solar panels in 77020 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 77020

The total length of the day in 77020 (Houston, TX) today (December 10, 2025) will be 10 hours and 19 minutes. [More]

Solar Energy in 77020 (Houston, TX)

Solar Energy Data for 77020

See the chart below to see how different types of solar panel installations compare in 77020.

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

Solar Energy Analysis for 77020

Sorry, it is not possible to complete our solar energy analysis for 77020 at this time.

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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 77020

Solar Radiation Data in 77020

See the chart below for monthly solar radiation levels in 77020.

Sorry, data is not currently available.

Solar Radiation Analysis for 77020

Sorry, it is not possible to complete our solar radiation analysis for 77020 at this time.

Historical solar radiation data for 77020 is not currently available.

Please check back later.

Solar Power Comparison: 77020 vs. the U.S.

Solar Power Levels in 77020

Sorry, solar radiation data for 77020 is not currently available.

Solar Power: 77020 vs. the U.S.

Below is a month-by-month comparison of how average 77020 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 Texas is not currently available.

Solar Data & Statistics for 77020

Sunrise / Sunset in 77020

Sunrise/Sunset for December 10, 2025 ^[2]
- Sunrise: 7:04 am
- Sunset: 5:23 pm
- Length of Day: 10:19

Best Months for Solar in 77020

Monthly data not currently available.

Solar Panel Installs in 77020

We do not have data on solar panel installations in ZIP Code 77020 at the current time.

Solar Power Output in 77020

The Power of Solar in 77020

Monthly AC solar system output averages for 77020. Month-by-month solar power, as ranked by AC output, in 77020. ^[2]

AC output data is not currently available.

Solar Output Analysis for 77020

Sorry, it is not possible to complete our solar radiation analysis for 77020 at this time.

Historical solar radiation data for 77020 is not currently available.

Please check back later.

Weather Forecast for 77020 ^[5]

Wed Dec 10

73°F

Sky Is Clear
Min: 47°F
Max: 73°F

Gentle Breeze: 9 mps NNE
Precip.: n/a
Humidity: 66%
Cloud cover: 0%

Thu Dec 11

64°F

Sky Is Clear
Min: 52°F
Max: 68°F

Gentle Breeze: 8 mps NE
Precip.: n/a
Humidity: 39%
Cloud cover: 0%

Fri Dec 12

76°F

Light Rain
Min: 60°F
Max: 78°F

Light breeze: 7 mps SSW
Precip.: Chance of Rain
Humidity: 62%
Cloud cover: 58%

Sat Dec 13

71°F

Light Rain
Min: 67°F
Max: 75°F

Gentle Breeze: 8 mps SSE
Precip.: Chance of Rain
Humidity: 73%
Cloud cover: 100%

Sun Dec 14

72°F

Scattered Clouds
Min: 57°F
Max: 72°F

Moderate breeze: 13 mps NE
Precip.: n/a
Humidity: 67%
Cloud cover: 36%

Mon Dec 15

56°F

Broken Clouds
Min: 48°F
Max: 60°F

Gentle Breeze: 11 mps NE
Precip.: n/a
Humidity: 45%
Cloud cover: 76%

More about 77020

About 77020

The ZIP code 77020 is associated with the city of Houston in Harris County in Texas.

77020 Solar Energy & Power

To learn more about solar energy and solar power in 77020, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.