Solar Energy & Solar Power Resources

Solar Power in 73521 (Altus, OK)

Solar Energy in 73521

Sorry, historical solar radition values for 73521 are currently unavailable, please check back later.

Solar Panels in 73521

Solar panels in 73521 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 73521

The total length of the day in 73521 (Altus, OK) today (July 26, 2026) will be 14 hours and 4 minutes. [More]

Solar Energy in 73521 (Altus, OK)

Solar Energy Data for 73521

See the chart below to see how different types of solar panel installations compare in 73521.

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

Solar Energy Analysis for 73521

Sorry, it is not possible to complete our solar energy analysis for 73521 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 73521

Solar Radiation Data in 73521

See the chart below for monthly solar radiation levels in 73521.

Sorry, data is not currently available.

Solar Radiation Analysis for 73521

Sorry, it is not possible to complete our solar radiation analysis for 73521 at this time.

Historical solar radiation data for 73521 is not currently available.

Please check back later.

Solar Power Comparison: 73521 vs. the U.S.

Solar Power Levels in 73521

Sorry, solar radiation data for 73521 is not currently available.

Solar Power: 73521 vs. the U.S.

Below is a month-by-month comparison of how average 73521 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 Oklahoma is not currently available.

Solar Data & Statistics for 73521

Sunrise / Sunset in 73521

Sunrise/Sunset for July 26, 2026 ^[2]
- Sunrise: 6:41 am
- Sunset: 8:45 pm
- Length of Day: 14:4

Best Months for Solar in 73521

Monthly data not currently available.

Solar Panel Installs in 73521

We do not have data on solar panel installations in ZIP Code 73521 at the current time.

Solar Power Output in 73521

The Power of Solar in 73521

Monthly AC solar system output averages for 73521. Month-by-month solar power, as ranked by AC output, in 73521. ^[2]

AC output data is not currently available.

Solar Output Analysis for 73521

Sorry, it is not possible to complete our solar radiation analysis for 73521 at this time.

Historical solar radiation data for 73521 is not currently available.

Please check back later.

Weather Forecast for 73521 ^[5]

Sun Jul 26

98°F

Sky Is Clear
Min: 80°F
Max: 103°F

Moderate breeze: 16 mps SSE
Precip.: n/a
Humidity: 29%
Cloud cover: 5%

Mon Jul 27

100°F

Few Clouds
Min: 81°F
Max: 105°F

Moderate breeze: 17 mps S
Precip.: n/a
Humidity: 23%
Cloud cover: 11%

Tue Jul 28

99°F

Overcast Clouds
Min: 82°F
Max: 105°F

Moderate breeze: 18 mps S
Precip.: n/a
Humidity: 23%
Cloud cover: 96%

Wed Jul 29

101°F

Overcast Clouds
Min: 83°F
Max: 105°F

Moderate breeze: 15 mps SW
Precip.: n/a
Humidity: 24%
Cloud cover: 99%

Thu Jul 30

102°F

Broken Clouds
Min: 84°F
Max: 106°F

Moderate breeze: 16 mps SW
Precip.: n/a
Humidity: 22%
Cloud cover: 74%

Fri Jul 31

106°F

Broken Clouds
Min: 84°F
Max: 111°F

Fresh Breeze: 20 mps NE
Precip.: n/a
Humidity: 19%
Cloud cover: 79%

More about 73521

About 73521

The ZIP code 73521 is associated with the city of Altus in Jackson County in Oklahoma.

73521 Solar Energy & Power

To learn more about solar energy and solar power in 73521, or for more solar-related resources for OK, check out the U.S. Energy Information Administration.