Solar Energy & Solar Power Resources

Solar Energy in Vandalia, IL

Solar Energy in Vandalia

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

Solar Panels in Vandalia

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

Sunrise & Sunset in Vandalia

The total length of the day in Vandalia, IL today (October 07, 2025) will be 11 hours and 33 minutes. [More]

Solar Power in Vandalia, IL

Solar Energy Data in Vandalia, IL

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

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

Solar Energy Analysis for Vandalia, 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 Vandalia

Solar Radiation Data in Vandalia, IL

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

Sorry, data is not currently available.

Solar Radiation Analysis for Vandalia, IL

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

Historical solar radiation data for Vandalia is not currently available.

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

Solar Power Levels in Vandalia

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

Solar Power: Vandalia vs. the U.S.

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

Sunrise / Sunset in Vandalia

Sunrise/Sunset for October 07, 2025 ^[2]
- Sunrise: 6:57 am
- Sunset: 6:30 pm
- Length of Day: 11:33

Best Months for Solar in Vandalia

Monthly data not currently available.

Solar Panel Installs in Vandalia

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

Solar Power Output in Vandalia

The Power of Solar in Vandalia, IL

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

AC output data is not currently available.

Solar Output Analysis for Vandalia, IL

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

Historical solar radiation data for Vandalia is not currently available.

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Cost of Utilities in Vandalia

Vandalia Electricity Costs

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Solar Power Poll: Vandalia

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

Vandalia Natural Gas Costs

Sorry, Illinois residential natural gas prices are currently unavailable.

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Weather Forecast for Vandalia, IL ^[5]

Tue Oct 7

72°F

Light Rain
Min: 62°F
Max: 73°F

Moderate breeze: 17 mps N
Precip.: Chance of Rain
Humidity: 72%
Cloud cover: 93%

Wed Oct 8

70°F

Sky Is Clear
Min: 53°F
Max: 73°F

Gentle Breeze: 11 mps NE
Precip.: n/a
Humidity: 31%
Cloud cover: 0%

Thu Oct 9

67°F

Sky Is Clear
Min: 46°F
Max: 71°F

Gentle Breeze: 10 mps ENE
Precip.: n/a
Humidity: 32%
Cloud cover: 0%

Fri Oct 10

68°F

Broken Clouds
Min: 47°F
Max: 74°F

Gentle Breeze: 8 mps SSW
Precip.: n/a
Humidity: 29%
Cloud cover: 83%

Sat Oct 11

78°F

Broken Clouds
Min: 58°F
Max: 79°F

Gentle Breeze: 8 mps SSW
Precip.: n/a
Humidity: 36%
Cloud cover: 75%

Sun Oct 12

78°F

Broken Clouds
Min: 55°F
Max: 82°F

Gentle Breeze: 8 mps SE
Precip.: n/a
Humidity: 42%
Cloud cover: 80%

More about Vandalia

About Vandalia

The city of Vandalia, IL in Fayette County has an approximate population of 7,042. ^[6]

Vandalia, IL Solar Energy

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