Solar Energy & Solar Power Resources

Solar Power in 78242 (San Antonio, TX)

Solar Energy in 78242

Sorry, historical solar radition values for 78242 are currently unavailable, please check back later.

Solar Panels in 78242

Solar panels in 78242 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 78242

The total length of the day in 78242 (San Antonio, TX) today (February 24, 2026) will be 11 hours and 28 minutes. [More]

Solar Energy in 78242 (San Antonio, TX)

Solar Energy Data for 78242

See the chart below to see how different types of solar panel installations compare in 78242.

Historical solar power output data for San Antonio is not currently available.

Solar Energy Analysis for 78242

Sorry, it is not possible to complete our solar energy analysis for 78242 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 78242

Solar Radiation Data in 78242

See the chart below for monthly solar radiation levels in 78242.

Sorry, data is not currently available.

Solar Radiation Analysis for 78242

Sorry, it is not possible to complete our solar radiation analysis for 78242 at this time.

Historical solar radiation data for 78242 is not currently available.

Please check back later.

Solar Power Comparison: 78242 vs. the U.S.

Solar Power Levels in 78242

Sorry, solar radiation data for 78242 is not currently available.

Solar Power: 78242 vs. the U.S.

Below is a month-by-month comparison of how average 78242 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 78242

Sunrise / Sunset in 78242

Sunrise/Sunset for February 24, 2026 ^[2]
- Sunrise: 7:03 am
- Sunset: 6:31 pm
- Length of Day: 11:28

Best Months for Solar in 78242

Monthly data not currently available.

Solar Panel Installs in 78242

We do not have data on solar panel installations in ZIP Code 78242 at the current time.

Solar Power Output in 78242

The Power of Solar in 78242

Monthly AC solar system output averages for 78242. Month-by-month solar power, as ranked by AC output, in 78242. ^[2]

AC output data is not currently available.

Solar Output Analysis for 78242

Sorry, it is not possible to complete our solar radiation analysis for 78242 at this time.

Historical solar radiation data for 78242 is not currently available.

Please check back later.

Weather Forecast for 78242 ^[5]

Tue Feb 24

69°F

Few Clouds
Min: 39°F
Max: 76°F

Moderate breeze: 18 mps SSW
Precip.: n/a
Humidity: 49%
Cloud cover: 19%

Wed Feb 25

77°F

Few Clouds
Min: 47°F
Max: 89°F

Moderate breeze: 14 mps SSW
Precip.: n/a
Humidity: 38%
Cloud cover: 24%

Thu Feb 26

88°F

Sky Is Clear
Min: 60°F
Max: 93°F

Moderate breeze: 14 mps NNE
Precip.: n/a
Humidity: 21%
Cloud cover: 5%

Fri Feb 27

71°F

Broken Clouds
Min: 62°F
Max: 80°F

Moderate breeze: 15 mps NE
Precip.: n/a
Humidity: 65%
Cloud cover: 81%

Sat Feb 28

79°F

Scattered Clouds
Min: 60°F
Max: 85°F

Moderate breeze: 13 mps SE
Precip.: n/a
Humidity: 50%
Cloud cover: 49%

Sun Mar 1

80°F

Broken Clouds
Min: 59°F
Max: 87°F

Moderate breeze: 13 mps SE
Precip.: n/a
Humidity: 47%
Cloud cover: 58%

More about 78242

About 78242

The ZIP code 78242 is associated with the city of San Antonio in Bexar County in Texas.

78242 Solar Energy & Power

To learn more about solar energy and solar power in 78242, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.