Solar Energy & Solar Power Resources

Solar Power in 77220 (Houston, TX)

Solar Energy in 77220

Sorry, historical solar radition values for 77220 are currently unavailable, please check back later.

Solar Panels in 77220

Solar panels in 77220 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 77220

The total length of the day in 77220 (Houston, TX) today (May 18, 2025) will be 13 hours and 46 minutes. [More]

Solar Energy in 77220 (Houston, TX)

Solar Energy Data for 77220

See the chart below to see how different types of solar panel installations compare in 77220.

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

Solar Energy Analysis for 77220

Sorry, it is not possible to complete our solar energy analysis for 77220 at this time.

Please check back later.

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 77220

Solar Radiation Data in 77220

See the chart below for monthly solar radiation levels in 77220.

Sorry, data is not currently available.

Solar Radiation Analysis for 77220

Sorry, it is not possible to complete our solar radiation analysis for 77220 at this time.

Historical solar radiation data for 77220 is not currently available.

Please check back later.

Solar Power Comparison: 77220 vs. the U.S.

Solar Power Levels in 77220

Sorry, solar radiation data for 77220 is not currently available.

Solar Power: 77220 vs. the U.S.

Below is a month-by-month comparison of how average 77220 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 77220

Sunrise / Sunset in 77220

Sunrise/Sunset for May 18, 2025 ^[2]
- Sunrise: 6:25 am
- Sunset: 8:11 pm
- Length of Day: 13:46

Best Months for Solar in 77220

Monthly data not currently available.

Solar Panel Installs in 77220

We do not have data on solar panel installations in ZIP Code 77220 at the current time.

Solar Power Output in 77220

The Power of Solar in 77220

Monthly AC solar system output averages for 77220. Month-by-month solar power, as ranked by AC output, in 77220. ^[2]

AC output data is not currently available.

Solar Output Analysis for 77220

Sorry, it is not possible to complete our solar radiation analysis for 77220 at this time.

Historical solar radiation data for 77220 is not currently available.

Please check back later.

Weather Forecast for 77220 ^[5]

Sun May 18

90°F

Broken Clouds
Min: 78°F
Max: 90°F

Moderate breeze: 15 mps SSE
Precip.: n/a
Humidity: 63%
Cloud cover: 68%

Mon May 19

94°F

Broken Clouds
Min: 77°F
Max: 95°F

Moderate breeze: 16 mps S
Precip.: n/a
Humidity: 37%
Cloud cover: 81%

Tue May 20

94°F

Light Rain
Min: 79°F
Max: 98°F

Moderate breeze: 13 mps NE
Precip.: Chance of Rain
Humidity: 45%
Cloud cover: 87%

Wed May 21

91°F

Overcast Clouds
Min: 73°F
Max: 96°F

Gentle Breeze: 11 mps ESE
Precip.: n/a
Humidity: 25%
Cloud cover: 97%

Thu May 22

88°F

Light Rain
Min: 78°F
Max: 94°F

Gentle Breeze: 10 mps SSE
Precip.: Chance of Rain
Humidity: 47%
Cloud cover: 100%

Fri May 23

92°F

Sky Is Clear
Min: 75°F
Max: 92°F

Moderate breeze: 14 mps SE
Precip.: n/a
Humidity: 32%
Cloud cover: 0%

More about 77220

About 77220

The ZIP code 77220 is associated with the city of Houston in Harris County in Texas.

77220 Solar Energy & Power

To learn more about solar energy and solar power in 77220, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.