Solar Energy & Solar Power Resources

Solar Power in 78217 (San Antonio, TX)

Solar Energy in 78217

Sorry, historical solar radition values for 78217 are currently unavailable, please check back later.

Solar Panels in 78217

Solar panels in 78217 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 78217

The total length of the day in 78217 (San Antonio, TX) today (July 20, 2026) will be 13 hours and 49 minutes. [More]

Solar Energy in 78217 (San Antonio, TX)

Solar Energy Data for 78217

See the chart below to see how different types of solar panel installations compare in 78217.

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

Solar Energy Analysis for 78217

Sorry, it is not possible to complete our solar energy analysis for 78217 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 78217

Solar Radiation Data in 78217

See the chart below for monthly solar radiation levels in 78217.

Sorry, data is not currently available.

Solar Radiation Analysis for 78217

Sorry, it is not possible to complete our solar radiation analysis for 78217 at this time.

Historical solar radiation data for 78217 is not currently available.

Please check back later.

Solar Power Comparison: 78217 vs. the U.S.

Solar Power Levels in 78217

Sorry, solar radiation data for 78217 is not currently available.

Solar Power: 78217 vs. the U.S.

Below is a month-by-month comparison of how average 78217 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 78217

Sunrise / Sunset in 78217

Sunrise/Sunset for July 20, 2026 ^[2]
- Sunrise: 6:45 am
- Sunset: 8:34 pm
- Length of Day: 13:49

Best Months for Solar in 78217

Monthly data not currently available.

Solar Panel Installs in 78217

We do not have data on solar panel installations in ZIP Code 78217 at the current time.

Solar Power Output in 78217

The Power of Solar in 78217

Monthly AC solar system output averages for 78217. Month-by-month solar power, as ranked by AC output, in 78217. ^[2]

AC output data is not currently available.

Solar Output Analysis for 78217

Sorry, it is not possible to complete our solar radiation analysis for 78217 at this time.

Historical solar radiation data for 78217 is not currently available.

Please check back later.

Weather Forecast for 78217 ^[5]

Mon Jul 20

94°F

Sky Is Clear
Min: 75°F
Max: 98°F

Gentle Breeze: 9 mps S
Precip.: n/a
Humidity: 54%
Cloud cover: 0%

Tue Jul 21

98°F

Sky Is Clear
Min: 75°F
Max: 103°F

Light breeze: 7 mps S
Precip.: n/a
Humidity: 32%
Cloud cover: 0%

Wed Jul 22

106°F

Sky Is Clear
Min: 79°F
Max: 106°F

Light breeze: 7 mps SSE
Precip.: n/a
Humidity: 28%
Cloud cover: 8%

Thu Jul 23

98°F

Light Rain
Min: 83°F
Max: 103°F

Moderate breeze: 16 mps ENE
Precip.: Chance of Rain
Humidity: 42%
Cloud cover: 64%

Fri Jul 24

89°F

Scattered Clouds
Min: 81°F
Max: 90°F

Moderate breeze: 14 mps SE
Precip.: n/a
Humidity: 50%
Cloud cover: 42%

Sat Jul 25

93°F

Few Clouds
Min: 75°F
Max: 99°F

Moderate breeze: 14 mps SSE
Precip.: n/a
Humidity: 35%
Cloud cover: 16%

More about 78217

About 78217

The ZIP code 78217 is associated with the city of San Antonio in Bexar County in Texas.

78217 Solar Energy & Power

To learn more about solar energy and solar power in 78217, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.