Solar Energy & Solar Power Resources

Solar Energy in Ofallon, IL

Solar Energy in Ofallon

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

Solar Panels in Ofallon

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

Sunrise & Sunset in Ofallon

The total length of the day in Ofallon, IL today (October 21, 2026) will be 10 hours and 58 minutes. [More]

Solar Power in Ofallon, IL

Solar Energy Data in Ofallon, IL

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

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

Solar Energy Analysis for Ofallon, IL

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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 Ofallon

Solar Radiation Data in Ofallon, IL

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

Sorry, data is not currently available.

Solar Radiation Analysis for Ofallon, IL

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

Historical solar radiation data for Ofallon is not currently available.

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

Solar Power Levels in Ofallon

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

Solar Power: Ofallon vs. the U.S.

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

Sunrise / Sunset in Ofallon

Sunrise/Sunset for October 21, 2026 ^[2]
- Sunrise: 7:15 am
- Sunset: 6:13 pm
- Length of Day: 10:58

Best Months for Solar in Ofallon

Monthly data not currently available.

Solar Panel Installs in Ofallon

We do not currently have data on solar panel installations in the city of Ofallon, IL at this current time.

Solar Power Output in Ofallon

The Power of Solar in Ofallon, IL

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

AC output data is not currently available.

Solar Output Analysis for Ofallon, IL

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

Historical solar radiation data for Ofallon is not currently available.

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Cost of Utilities in Ofallon

Ofallon Electricity Costs

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Solar Power Poll: Ofallon

Vote now: Given all of the data and analysis provided for Ofallon, is solar power a good choice for residents of this city?

Ofallon Natural Gas Costs

Sorry, Illinois residential natural gas prices are currently unavailable.

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Weather Forecast for Ofallon, IL ^[5]

Wed Oct 21

72°F

Sky Is Clear
Min: 45°F
Max: 75°F

Light breeze: 4 mps ESE
Precip.: n/a
Humidity: 45%
Cloud cover: 9%

Thu Oct 22

74°F

Sky Is Clear
Min: 47°F
Max: 77°F

Light breeze: 4 mps ESE
Precip.: n/a
Humidity: 46%
Cloud cover: 0%

Fri Oct 23

72°F

Sky Is Clear
Min: 47°F
Max: 74°F

Light breeze: 6 mps ESE
Precip.: n/a
Humidity: 47%
Cloud cover: 0%

Sat Oct 24

69°F

Few Clouds
Min: 50°F
Max: 73°F

Light breeze: 5 mps SE
Precip.: n/a
Humidity: 49%
Cloud cover: 23%

Sun Oct 25

74°F

Overcast Clouds
Min: 51°F
Max: 75°F

Light breeze: 5 mps SE
Precip.: n/a
Humidity: 43%
Cloud cover: 95%

Mon Oct 26

72°F

Overcast Clouds
Min: 54°F
Max: 73°F

Light breeze: 5 mps SE
Precip.: n/a
Humidity: 41%
Cloud cover: 100%

More about Ofallon

About Ofallon

The city of Ofallon, IL in Saint Clair County has an approximate population of 28,281. ^[6]

Ofallon, IL Solar Energy

To learn more about solar energy and solar power Ofallon, IL, or for more solar-related resources for Ofallon, visit the U.S. Energy Information Administration.