Solar Energy & Solar Power Resources

Solar Power in 78644 (Lockhart, TX)

Solar Energy in 78644

Sorry, historical solar radition values for 78644 are currently unavailable, please check back later.

Solar Panels in 78644

Solar panels in 78644 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 78644

The total length of the day in 78644 (Lockhart, TX) today (December 23, 2025) will be 10 hours and 17 minutes. [More]

Solar Energy in 78644 (Lockhart, TX)

Solar Energy Data for 78644

See the chart below to see how different types of solar panel installations compare in 78644.

Historical solar power output data for Lockhart is not currently available.

Solar Energy Analysis for 78644

Sorry, it is not possible to complete our solar energy analysis for 78644 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 78644

Solar Radiation Data in 78644

See the chart below for monthly solar radiation levels in 78644.

Sorry, data is not currently available.

Solar Radiation Analysis for 78644

Sorry, it is not possible to complete our solar radiation analysis for 78644 at this time.

Historical solar radiation data for 78644 is not currently available.

Please check back later.

Solar Power Comparison: 78644 vs. the U.S.

Solar Power Levels in 78644

Sorry, solar radiation data for 78644 is not currently available.

Solar Power: 78644 vs. the U.S.

Below is a month-by-month comparison of how average 78644 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 78644

Sunrise / Sunset in 78644

Sunrise/Sunset for December 23, 2025 ^[2]
- Sunrise: 7:21 am
- Sunset: 5:38 pm
- Length of Day: 10:17

Best Months for Solar in 78644

Monthly data not currently available.

Solar Panel Installs in 78644

We do not have data on solar panel installations in ZIP Code 78644 at the current time.

Solar Power Output in 78644

The Power of Solar in 78644

Monthly AC solar system output averages for 78644. Month-by-month solar power, as ranked by AC output, in 78644. ^[2]

AC output data is not currently available.

Solar Output Analysis for 78644

Sorry, it is not possible to complete our solar radiation analysis for 78644 at this time.

Historical solar radiation data for 78644 is not currently available.

Please check back later.

Weather Forecast for 78644 ^[5]

Tue Dec 23

72°F

Broken Clouds
Min: 66°F
Max: 80°F

Moderate breeze: 13 mps S
Precip.: n/a
Humidity: 72%
Cloud cover: 68%

Wed Dec 24

76°F

Broken Clouds
Min: 64°F
Max: 77°F

Moderate breeze: 13 mps SSE
Precip.: n/a
Humidity: 66%
Cloud cover: 63%

Thu Dec 25

77°F

Scattered Clouds
Min: 62°F
Max: 80°F

Gentle Breeze: 12 mps S
Precip.: n/a
Humidity: 62%
Cloud cover: 26%

Fri Dec 26

79°F

Broken Clouds
Min: 64°F
Max: 83°F

Gentle Breeze: 12 mps SSE
Precip.: n/a
Humidity: 59%
Cloud cover: 53%

Sat Dec 27

79°F

Scattered Clouds
Min: 64°F
Max: 83°F

Moderate breeze: 16 mps S
Precip.: n/a
Humidity: 58%
Cloud cover: 39%

Sun Dec 28

76°F

Broken Clouds
Min: 62°F
Max: 80°F

Fresh Breeze: 21 mps NNE
Precip.: n/a
Humidity: 61%
Cloud cover: 77%

More about 78644

About 78644

The ZIP code 78644 is associated with the city of Lockhart in Caldwell County in Texas.

78644 Solar Energy & Power

To learn more about solar energy and solar power in 78644, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.