Solar Energy & Solar Power Resources

Solar Energy in Oak Forest, IL

Solar Energy in Oak Forest

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

Solar Panels in Oak Forest

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

Sunrise & Sunset in Oak Forest

The total length of the day in Oak Forest, IL today (October 28, 2025) will be 10 hours and 35 minutes. [More]

Solar Power in Oak Forest, IL

Solar Energy Data in Oak Forest, IL

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

Historical solar power output data for Oak Forest is not currently available.

Solar Energy Analysis for Oak Forest, IL

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

Solar Radiation Data in Oak Forest, IL

See the chart below for monthly solar radiation levels in Oak Forest.

Sorry, data is not currently available.

Solar Radiation Analysis for Oak Forest, IL

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

Historical solar radiation data for Oak Forest is not currently available.

Please check back later.

Solar Power Comparison: Oak Forest vs. the U.S.

Solar Power Levels in Oak Forest

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

Solar Power: Oak Forest vs. the U.S.

Below is a month-by-month comparison of how average Oak Forest 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 Oak Forest

Sunrise / Sunset in Oak Forest

Sunrise/Sunset for October 28, 2025 ^[2]
- Sunrise: 7:17 am
- Sunset: 5:52 pm
- Length of Day: 10:35

Best Months for Solar in Oak Forest

Monthly data not currently available.

Solar Panel Installs in Oak Forest

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

Solar Power Output in Oak Forest

The Power of Solar in Oak Forest, IL

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

AC output data is not currently available.

Solar Output Analysis for Oak Forest, IL

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

Historical solar radiation data for Oak Forest is not currently available.

Please check back later.

Cost of Utilities in Oak Forest

Oak Forest Electricity Costs

Sorry, Oak Forest residential electricity prices are currently unavailable.

Please check back later.

Solar Power Poll: Oak Forest

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

Oak Forest Natural Gas Costs

Sorry, Illinois residential natural gas prices are currently unavailable.

Please check back later.

Weather Forecast for Oak Forest, IL ^[5]

Tue Oct 28

51°F

Few Clouds
Min: 44°F
Max: 59°F

Moderate breeze: 12 mps E
Precip.: n/a
Humidity: 71%
Cloud cover: 20%

Wed Oct 29

54°F

Scattered Clouds
Min: 47°F
Max: 57°F

Moderate breeze: 16 mps NE
Precip.: n/a
Humidity: 43%
Cloud cover: 29%

Thu Oct 30

55°F

Sky Is Clear
Min: 47°F
Max: 57°F

Gentle Breeze: 11 mps NNE
Precip.: n/a
Humidity: 46%
Cloud cover: 4%

Fri Oct 31

57°F

Sky Is Clear
Min: 43°F
Max: 60°F

Gentle Breeze: 10 mps WSW
Precip.: n/a
Humidity: 36%
Cloud cover: 0%

Sat Nov 1

46°F

Light Rain
Min: 38°F
Max: 50°F

Gentle Breeze: 8 mps W
Precip.: Chance of Rain
Humidity: 75%
Cloud cover: 61%

Sun Nov 2

53°F

Light Rain
Min: 46°F
Max: 54°F

Light breeze: 7 mps SSW
Precip.: Chance of Rain
Humidity: 44%
Cloud cover: 95%

More about Oak Forest

About Oak Forest

The city of Oak Forest, IL in Cook County has an approximate population of 27,962. ^[6]

Oak Forest, IL Solar Energy

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