Solar Energy & Solar Power Resources

Solar Power in 78209 (San Antonio, TX)

Solar Energy in 78209

Sorry, historical solar radition values for 78209 are currently unavailable, please check back later.

Solar Panels in 78209

Solar panels in 78209 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 78209

The total length of the day in 78209 (San Antonio, TX) today (July 10, 2026) will be 13 hours and 58 minutes. [More]

Solar Energy in 78209 (San Antonio, TX)

Solar Energy Data for 78209

See the chart below to see how different types of solar panel installations compare in 78209.

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

Solar Energy Analysis for 78209

Sorry, it is not possible to complete our solar energy analysis for 78209 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 78209

Solar Radiation Data in 78209

See the chart below for monthly solar radiation levels in 78209.

Sorry, data is not currently available.

Solar Radiation Analysis for 78209

Sorry, it is not possible to complete our solar radiation analysis for 78209 at this time.

Historical solar radiation data for 78209 is not currently available.

Please check back later.

Solar Power Comparison: 78209 vs. the U.S.

Solar Power Levels in 78209

Sorry, solar radiation data for 78209 is not currently available.

Solar Power: 78209 vs. the U.S.

Below is a month-by-month comparison of how average 78209 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 78209

Sunrise / Sunset in 78209

Sunrise/Sunset for July 10, 2026 ^[2]
- Sunrise: 6:40 am
- Sunset: 8:38 pm
- Length of Day: 13:58

Best Months for Solar in 78209

Monthly data not currently available.

Solar Panel Installs in 78209

We do not have data on solar panel installations in ZIP Code 78209 at the current time.

Solar Power Output in 78209

The Power of Solar in 78209

Monthly AC solar system output averages for 78209. Month-by-month solar power, as ranked by AC output, in 78209. ^[2]

AC output data is not currently available.

Solar Output Analysis for 78209

Sorry, it is not possible to complete our solar radiation analysis for 78209 at this time.

Historical solar radiation data for 78209 is not currently available.

Please check back later.

Weather Forecast for 78209 ^[5]

Fri Jul 10

88°F

Light Rain
Min: 73°F
Max: 90°F

Moderate breeze: 13 mps SSE
Precip.: Chance of Rain
Humidity: 45%
Cloud cover: 75%

Sat Jul 11

88°F

Light Rain
Min: 72°F
Max: 89°F

Moderate breeze: 16 mps ESE
Precip.: Chance of Rain
Humidity: 45%
Cloud cover: 46%

Sun Jul 12

92°F

Light Rain
Min: 74°F
Max: 97°F

Gentle Breeze: 12 mps SSE
Precip.: Chance of Rain
Humidity: 46%
Cloud cover: 37%

Mon Jul 13

94°F

Light Rain
Min: 76°F
Max: 98°F

Moderate breeze: 14 mps SE
Precip.: Chance of Rain
Humidity: 33%
Cloud cover: 47%

Tue Jul 14

94°F

Light Rain
Min: 76°F
Max: 100°F

Moderate breeze: 16 mps SE
Precip.: Chance of Rain
Humidity: 35%
Cloud cover: 94%

Wed Jul 15

93°F

Light Rain
Min: 75°F
Max: 98°F

Fresh Breeze: 18 mps SE
Precip.: Chance of Rain
Humidity: 35%
Cloud cover: 99%

More about 78209

About 78209

The ZIP code 78209 is associated with the city of San Antonio in Bexar County in Texas.

78209 Solar Energy & Power

To learn more about solar energy and solar power in 78209, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.