Solar Energy & Solar Power Resources

Solar Power in 78278 (San Antonio, TX)

Solar Energy in 78278

Sorry, historical solar radition values for 78278 are currently unavailable, please check back later.

Solar Panels in 78278

Solar panels in 78278 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 78278

The total length of the day in 78278 (San Antonio, TX) today (May 25, 2025) will be 13 hours and 51 minutes. [More]

Solar Energy in 78278 (San Antonio, TX)

Solar Energy Data for 78278

See the chart below to see how different types of solar panel installations compare in 78278.

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

Solar Energy Analysis for 78278

Sorry, it is not possible to complete our solar energy analysis for 78278 at this time.

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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 78278

Solar Radiation Data in 78278

See the chart below for monthly solar radiation levels in 78278.

Sorry, data is not currently available.

Solar Radiation Analysis for 78278

Sorry, it is not possible to complete our solar radiation analysis for 78278 at this time.

Historical solar radiation data for 78278 is not currently available.

Please check back later.

Solar Power Comparison: 78278 vs. the U.S.

Solar Power Levels in 78278

Sorry, solar radiation data for 78278 is not currently available.

Solar Power: 78278 vs. the U.S.

Below is a month-by-month comparison of how average 78278 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 78278

Sunrise / Sunset in 78278

Sunrise/Sunset for May 25, 2025 ^[2]
- Sunrise: 6:35 am
- Sunset: 8:26 pm
- Length of Day: 13:51

Best Months for Solar in 78278

Monthly data not currently available.

Solar Panel Installs in 78278

We do not have data on solar panel installations in ZIP Code 78278 at the current time.

Solar Power Output in 78278

The Power of Solar in 78278

Monthly AC solar system output averages for 78278. Month-by-month solar power, as ranked by AC output, in 78278. ^[2]

AC output data is not currently available.

Solar Output Analysis for 78278

Sorry, it is not possible to complete our solar radiation analysis for 78278 at this time.

Historical solar radiation data for 78278 is not currently available.

Please check back later.

Weather Forecast for 78278 ^[5]

Sun May 25

91°F

Scattered Clouds
Min: 77°F
Max: 93°F

Fresh Breeze: 22 mps SE
Precip.: n/a
Humidity: 54%
Cloud cover: 48%

Mon May 26

92°F

Light Rain
Min: 77°F
Max: 103°F

Strong breeze: 26 mps SSE
Precip.: Chance of Rain
Humidity: 32%
Cloud cover: 25%

Tue May 27

97°F

Moderate Rain
Min: 69°F
Max: 103°F

Strong breeze: 27 mps N
Precip.: Chance of Rain
Humidity: 37%
Cloud cover: 0%

Wed May 28

86°F

Heavy Intensity Rain
Min: 66°F
Max: 90°F

Fresh Breeze: 24 mps N
Precip.: Chance of Rain
Humidity: 56%
Cloud cover: 17%

Thu May 29

92°F

Light Rain
Min: 75°F
Max: 92°F

Gentle Breeze: 12 mps ESE
Precip.: Chance of Rain
Humidity: 47%
Cloud cover: 100%

Fri May 30

78°F

Moderate Rain
Min: 70°F
Max: 82°F

Moderate breeze: 13 mps NNE
Precip.: Chance of Rain
Humidity: 60%
Cloud cover: 100%

More about 78278

About 78278

The ZIP code 78278 is associated with the city of San Antonio in Bexar County in Texas.

78278 Solar Energy & Power

To learn more about solar energy and solar power in 78278, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.