Solar Energy & Solar Power Resources

Solar Power in 78266 (San Antonio, TX)

Solar Energy in 78266

Sorry, historical solar radition values for 78266 are currently unavailable, please check back later.

Solar Panels in 78266

Solar panels in 78266 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 78266

The total length of the day in 78266 (San Antonio, TX) today (October 19, 2025) will be 11 hours and 23 minutes. [More]

Solar Energy in 78266 (San Antonio, TX)

Solar Energy Data for 78266

See the chart below to see how different types of solar panel installations compare in 78266.

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

Solar Energy Analysis for 78266

Sorry, it is not possible to complete our solar energy analysis for 78266 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 78266

Solar Radiation Data in 78266

See the chart below for monthly solar radiation levels in 78266.

Sorry, data is not currently available.

Solar Radiation Analysis for 78266

Sorry, it is not possible to complete our solar radiation analysis for 78266 at this time.

Historical solar radiation data for 78266 is not currently available.

Please check back later.

Solar Power Comparison: 78266 vs. the U.S.

Solar Power Levels in 78266

Sorry, solar radiation data for 78266 is not currently available.

Solar Power: 78266 vs. the U.S.

Below is a month-by-month comparison of how average 78266 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 78266

Sunrise / Sunset in 78266

Sunrise/Sunset for October 19, 2025 ^[2]
- Sunrise: 7:36 am
- Sunset: 6:59 pm
- Length of Day: 11:23

Best Months for Solar in 78266

Monthly data not currently available.

Solar Panel Installs in 78266

We do not have data on solar panel installations in ZIP Code 78266 at the current time.

Solar Power Output in 78266

The Power of Solar in 78266

Monthly AC solar system output averages for 78266. Month-by-month solar power, as ranked by AC output, in 78266. ^[2]

AC output data is not currently available.

Solar Output Analysis for 78266

Sorry, it is not possible to complete our solar radiation analysis for 78266 at this time.

Historical solar radiation data for 78266 is not currently available.

Please check back later.

Weather Forecast for 78266 ^[5]

Sun Oct 19

79°F

Sky Is Clear
Min: 67°F
Max: 87°F

Fresh Breeze: 20 mps NNE
Precip.: n/a
Humidity: 30%
Cloud cover: 0%

Mon Oct 20

88°F

Broken Clouds
Min: 65°F
Max: 92°F

Moderate breeze: 14 mps SSW
Precip.: n/a
Humidity: 37%
Cloud cover: 72%

Tue Oct 21

87°F

Scattered Clouds
Min: 69°F
Max: 90°F

Moderate breeze: 14 mps N
Precip.: n/a
Humidity: 43%
Cloud cover: 27%

Wed Oct 22

84°F

Sky Is Clear
Min: 66°F
Max: 91°F

Moderate breeze: 14 mps SE
Precip.: n/a
Humidity: 42%
Cloud cover: 6%

Thu Oct 23

87°F

Scattered Clouds
Min: 69°F
Max: 90°F

Moderate breeze: 16 mps SSE
Precip.: n/a
Humidity: 37%
Cloud cover: 43%

Fri Oct 24

86°F

Moderate Rain
Min: 70°F
Max: 86°F

Moderate breeze: 16 mps SSW
Precip.: Chance of Rain
Humidity: 47%
Cloud cover: 82%

More about 78266

About 78266

The ZIP code 78266 is associated with the city of San Antonio in Comal County in Texas.

78266 Solar Energy & Power

To learn more about solar energy and solar power in 78266, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.