Solar Energy & Solar Power Resources

Solar Power in 78374 (Portland, TX)

Solar Energy in 78374

Sorry, historical solar radition values for 78374 are currently unavailable, please check back later.

Solar Panels in 78374

Solar panels in 78374 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 78374

The total length of the day in 78374 (Portland, TX) today (July 07, 2026) will be 13 hours and 52 minutes. [More]

Solar Energy in 78374 (Portland, TX)

Solar Energy Data for 78374

See the chart below to see how different types of solar panel installations compare in 78374.

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

Solar Energy Analysis for 78374

Sorry, it is not possible to complete our solar energy analysis for 78374 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 78374

Solar Radiation Data in 78374

See the chart below for monthly solar radiation levels in 78374.

Sorry, data is not currently available.

Solar Radiation Analysis for 78374

Sorry, it is not possible to complete our solar radiation analysis for 78374 at this time.

Historical solar radiation data for 78374 is not currently available.

Please check back later.

Solar Power Comparison: 78374 vs. the U.S.

Solar Power Levels in 78374

Sorry, solar radiation data for 78374 is not currently available.

Solar Power: 78374 vs. the U.S.

Below is a month-by-month comparison of how average 78374 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 78374

Sunrise / Sunset in 78374

Sunrise/Sunset for July 07, 2026 ^[2]
- Sunrise: 6:38 am
- Sunset: 8:30 pm
- Length of Day: 13:52

Best Months for Solar in 78374

Monthly data not currently available.

Solar Panel Installs in 78374

We do not have data on solar panel installations in ZIP Code 78374 at the current time.

Solar Power Output in 78374

The Power of Solar in 78374

Monthly AC solar system output averages for 78374. Month-by-month solar power, as ranked by AC output, in 78374. ^[2]

AC output data is not currently available.

Solar Output Analysis for 78374

Sorry, it is not possible to complete our solar radiation analysis for 78374 at this time.

Historical solar radiation data for 78374 is not currently available.

Please check back later.

Weather Forecast for 78374 ^[5]

Tue Jul 7

92°F

Few Clouds
Min: 80°F
Max: 92°F

Moderate breeze: 16 mps SE
Precip.: n/a
Humidity: 52%
Cloud cover: 20%

Wed Jul 8

93°F

Sky Is Clear
Min: 80°F
Max: 93°F

Moderate breeze: 18 mps SSE
Precip.: n/a
Humidity: 49%
Cloud cover: 0%

Thu Jul 9

90°F

Sky Is Clear
Min: 80°F
Max: 90°F

Fresh Breeze: 19 mps SE
Precip.: n/a
Humidity: 53%
Cloud cover: 3%

Fri Jul 10

90°F

Light Rain
Min: 81°F
Max: 90°F

Moderate breeze: 18 mps SSE
Precip.: Chance of Rain
Humidity: 56%
Cloud cover: 13%

Sat Jul 11

90°F

Moderate Rain
Min: 84°F
Max: 90°F

Moderate breeze: 18 mps SE
Precip.: Chance of Rain
Humidity: 59%
Cloud cover: 84%

Sun Jul 12

91°F

Sky Is Clear
Min: 82°F
Max: 91°F

Moderate breeze: 16 mps SE
Precip.: n/a
Humidity: 55%
Cloud cover: 5%

More about 78374

About 78374

The ZIP code 78374 is associated with the city of Portland in San Patricio County in Texas.

78374 Solar Energy & Power

To learn more about solar energy and solar power in 78374, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.