Solar Energy & Solar Power Resources

Solar Power in 61951 (Sullivan, IL)

Solar Energy in 61951

Sorry, historical solar radition values for 61951 are currently unavailable, please check back later.

Solar Panels in 61951

Solar panels in 61951 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 61951

The total length of the day in 61951 (Sullivan, IL) today (July 18, 2026) will be 14 hours and 40 minutes. [More]

Solar Energy in 61951 (Sullivan, IL)

Solar Energy Data for 61951

See the chart below to see how different types of solar panel installations compare in 61951.

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

Solar Energy Analysis for 61951

Sorry, it is not possible to complete our solar energy analysis for 61951 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 61951

Solar Radiation Data in 61951

See the chart below for monthly solar radiation levels in 61951.

Sorry, data is not currently available.

Solar Radiation Analysis for 61951

Sorry, it is not possible to complete our solar radiation analysis for 61951 at this time.

Historical solar radiation data for 61951 is not currently available.

Please check back later.

Solar Power Comparison: 61951 vs. the U.S.

Solar Power Levels in 61951

Sorry, solar radiation data for 61951 is not currently available.

Solar Power: 61951 vs. the U.S.

Below is a month-by-month comparison of how average 61951 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 Illinois is not currently available.

Solar Data & Statistics for 61951

Sunrise / Sunset in 61951

Sunrise/Sunset for July 18, 2026 ^[2]
- Sunrise: 5:40 am
- Sunset: 8:20 pm
- Length of Day: 14:40

Best Months for Solar in 61951

Monthly data not currently available.

Solar Panel Installs in 61951

We do not have data on solar panel installations in ZIP Code 61951 at the current time.

Solar Power Output in 61951

The Power of Solar in 61951

Monthly AC solar system output averages for 61951. Month-by-month solar power, as ranked by AC output, in 61951. ^[2]

AC output data is not currently available.

Solar Output Analysis for 61951

Sorry, it is not possible to complete our solar radiation analysis for 61951 at this time.

Historical solar radiation data for 61951 is not currently available.

Please check back later.

Weather Forecast for 61951 ^[5]

Sat Jul 18

87°F

Light Rain
Min: 76°F
Max: 90°F

Moderate breeze: 13 mps W
Precip.: Chance of Rain
Humidity: 74%
Cloud cover: 0%

Sun Jul 19

83°F

Light Rain
Min: 68°F
Max: 85°F

Light breeze: 8 mps ENE
Precip.: Chance of Rain
Humidity: 68%
Cloud cover: 0%

Mon Jul 20

82°F

Moderate Rain
Min: 64°F
Max: 85°F

Gentle Breeze: 8 mps SSW
Precip.: Chance of Rain
Humidity: 74%
Cloud cover: 70%

Tue Jul 21

86°F

Moderate Rain
Min: 70°F
Max: 86°F

Moderate breeze: 16 mps W
Precip.: Chance of Rain
Humidity: 76%
Cloud cover: 8%

Wed Jul 22

77°F

Light Rain
Min: 63°F
Max: 77°F

Gentle Breeze: 12 mps N
Precip.: Chance of Rain
Humidity: 68%
Cloud cover: 1%

Thu Jul 23

74°F

Few Clouds
Min: 56°F
Max: 75°F

Light breeze: 6 mps NE
Precip.: n/a
Humidity: 61%
Cloud cover: 18%

More about 61951

About 61951

The ZIP code 61951 is associated with the city of Sullivan in Moultrie County in Illinois.

61951 Solar Energy & Power

To learn more about solar energy and solar power in 61951, or for more solar-related resources for IL, check out the U.S. Energy Information Administration.