Solar Energy & Solar Power Resources

Solar Power in 66531 (Riley, KS)

Solar Energy in 66531

Sorry, historical solar radition values for 66531 are currently unavailable, please check back later.

Solar Panels in 66531

Solar panels in 66531 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 66531

The total length of the day in 66531 (Riley, KS) today (July 28, 2026) will be 14 hours and 22 minutes. [More]

Solar Energy in 66531 (Riley, KS)

Solar Energy Data for 66531

See the chart below to see how different types of solar panel installations compare in 66531.

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

Solar Energy Analysis for 66531

Sorry, it is not possible to complete our solar energy analysis for 66531 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 66531

Solar Radiation Data in 66531

See the chart below for monthly solar radiation levels in 66531.

Sorry, data is not currently available.

Solar Radiation Analysis for 66531

Sorry, it is not possible to complete our solar radiation analysis for 66531 at this time.

Historical solar radiation data for 66531 is not currently available.

Please check back later.

Solar Power Comparison: 66531 vs. the U.S.

Solar Power Levels in 66531

Sorry, solar radiation data for 66531 is not currently available.

Solar Power: 66531 vs. the U.S.

Below is a month-by-month comparison of how average 66531 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 Kansas is not currently available.

Solar Data & Statistics for 66531

Sunrise / Sunset in 66531

Sunrise/Sunset for July 28, 2026 ^[2]
- Sunrise: 6:22 am
- Sunset: 8:44 pm
- Length of Day: 14:22

Best Months for Solar in 66531

Monthly data not currently available.

Solar Panel Installs in 66531

We do not have data on solar panel installations in ZIP Code 66531 at the current time.

Solar Power Output in 66531

The Power of Solar in 66531

Monthly AC solar system output averages for 66531. Month-by-month solar power, as ranked by AC output, in 66531. ^[2]

AC output data is not currently available.

Solar Output Analysis for 66531

Sorry, it is not possible to complete our solar radiation analysis for 66531 at this time.

Historical solar radiation data for 66531 is not currently available.

Please check back later.

Weather Forecast for 66531 ^[5]

Tue Jul 28

76°F

Light Rain
Min: 75°F
Max: 82°F

Moderate breeze: 15 mps ESE
Precip.: Chance of Rain
Humidity: 68%
Cloud cover: 97%

Wed Jul 29

79°F

Moderate Rain
Min: 71°F
Max: 81°F

Fresh Breeze: 20 mps SE
Precip.: Chance of Rain
Humidity: 48%
Cloud cover: 98%

Thu Jul 30

89°F

Light Rain
Min: 72°F
Max: 96°F

Fresh Breeze: 23 mps SE
Precip.: Chance of Rain
Humidity: 51%
Cloud cover: 84%

Fri Jul 31

89°F

Light Rain
Min: 67°F
Max: 92°F

Fresh Breeze: 23 mps N
Precip.: Chance of Rain
Humidity: 41%
Cloud cover: 0%

Sat Aug 1

86°F

Sky Is Clear
Min: 62°F
Max: 90°F

Moderate breeze: 17 mps NNE
Precip.: n/a
Humidity: 38%
Cloud cover: 6%

Sun Aug 2

90°F

Sky Is Clear
Min: 67°F
Max: 93°F

Gentle Breeze: 10 mps ENE
Precip.: n/a
Humidity: 29%
Cloud cover: 0%

More about 66531

About 66531

The ZIP code 66531 is associated with the city of Riley in Riley County in Kansas.

66531 Solar Energy & Power

To learn more about solar energy and solar power in 66531, or for more solar-related resources for KS, check out the U.S. Energy Information Administration.