Solar Energy & Solar Power Resources

Solar Power in 81321 (Cortez, CO)

Solar Energy in 81321

Sorry, historical solar radition values for 81321 are currently unavailable, please check back later.

Solar Panels in 81321

Solar panels in 81321 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 81321

The total length of the day in 81321 (Cortez, CO) today (June 13, 2026) will be 14 hours and 46 minutes. [More]

Solar Energy in 81321 (Cortez, CO)

Solar Energy Data for 81321

See the chart below to see how different types of solar panel installations compare in 81321.

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

Solar Energy Analysis for 81321

Sorry, it is not possible to complete our solar energy analysis for 81321 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 81321

Solar Radiation Data in 81321

See the chart below for monthly solar radiation levels in 81321.

Sorry, data is not currently available.

Solar Radiation Analysis for 81321

Sorry, it is not possible to complete our solar radiation analysis for 81321 at this time.

Historical solar radiation data for 81321 is not currently available.

Please check back later.

Solar Power Comparison: 81321 vs. the U.S.

Solar Power Levels in 81321

Sorry, solar radiation data for 81321 is not currently available.

Solar Power: 81321 vs. the U.S.

Below is a month-by-month comparison of how average 81321 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 Colorado is not currently available.

Solar Data & Statistics for 81321

Sunrise / Sunset in 81321

Sunrise/Sunset for June 13, 2026 ^[2]
- Sunrise: 5:51 am
- Sunset: 8:37 pm
- Length of Day: 14:46

Best Months for Solar in 81321

Monthly data not currently available.

Solar Panel Installs in 81321

We do not have data on solar panel installations in ZIP Code 81321 at the current time.

Solar Power Output in 81321

The Power of Solar in 81321

Monthly AC solar system output averages for 81321. Month-by-month solar power, as ranked by AC output, in 81321. ^[2]

AC output data is not currently available.

Solar Output Analysis for 81321

Sorry, it is not possible to complete our solar radiation analysis for 81321 at this time.

Historical solar radiation data for 81321 is not currently available.

Please check back later.

Weather Forecast for 81321 ^[5]

Sat Jun 13

83°F

Broken Clouds
Min: 58°F
Max: 90°F

Moderate breeze: 17 mps NNW
Precip.: n/a
Humidity: 19%
Cloud cover: 72%

Sun Jun 14

87°F

Few Clouds
Min: 55°F
Max: 89°F

Strong breeze: 25 mps NNW
Precip.: n/a
Humidity: 18%
Cloud cover: 17%

Mon Jun 15

86°F

Sky Is Clear
Min: 56°F
Max: 88°F

Fresh Breeze: 21 mps NNW
Precip.: n/a
Humidity: 13%
Cloud cover: 0%

Tue Jun 16

87°F

Sky Is Clear
Min: 58°F
Max: 91°F

Fresh Breeze: 21 mps NW
Precip.: n/a
Humidity: 9%
Cloud cover: 2%

Wed Jun 17

90°F

Sky Is Clear
Min: 59°F
Max: 94°F

Fresh Breeze: 19 mps WNW
Precip.: n/a
Humidity: 12%
Cloud cover: 0%

Thu Jun 18

90°F

Sky Is Clear
Min: 62°F
Max: 93°F

Fresh Breeze: 19 mps NW
Precip.: n/a
Humidity: 11%
Cloud cover: 3%

More about 81321

About 81321

The ZIP code 81321 is associated with the city of Cortez in Montezuma County in Colorado.

81321 Solar Energy & Power

To learn more about solar energy and solar power in 81321, or for more solar-related resources for CO, check out the U.S. Energy Information Administration.