Effingham Solar Power Information & Peak Sun Hours

Solar Green Energy Summary for Effingham, Illinois

Lattitude: 39.12

Sunlight

Fixed Tilt Sunlight Hours: 4.3 hours per day

1-Axis Tilt Sunlight Hours: 5.6 hours per day

2-Axis Tilt Sunlight Hours: 6.5 hours per day

If you put your solar powered math calculator in your backpack it will turn off from the lack of sunlight needed to power the device. As you slowly open your backpack and begin to let sunlight in, the calculator will eventually turn on when the amount of sunlight is enough to power the calculator. Similarly, peak sun hours refer to the hours of they day where the sunlight is strong enough to power a solar panel. This is different from total sunlight hours, which is simply the amount of hours in a day when there is any sunlight.

Knowing that the latitude of Effingham is 39.1 can be helpful for understanding total sunlight hour variance. As you approach the equator latitude approaches zero. The closer the latitude is to zero, the more consistent the daily sunlight hours are throughout the year. Total sunlight hour consistency simply makes planning for your solar power needs easier, but it is certainly not a requirement.

A tracking mount will increase the average peak sun hours for a solar power system. Think about a panel that is tracking the sun in the sky vs a panel that is fixed and not moving: you will see a higher efficiency ratio of productions. A 1-axis mount will track the sun from East to West from sunrise to sunset and move on a single axis of rotation. A 2-axis mount will track the Sun from East to West the same as a 1-axis mount would, but it will also track the angle of the sun in the sky as it slowly varies season to season. A 2-axis mount is more necessary in high latitude regions where the angle of the sun in the sky changes dramatically between each equinox.

Climate in your geographical region is a major factor that will influence average peak sun hours per year. If you live in a region that does not have a lot of completely sunny days, then cloud coverage will greatly influence solar insolation on any given day. Mountains and trees may also contribute to lower solar insolation if they block the sun from your panels at any given point of the day.

We can use previous years of data to estimate the amount of peak sun hours in Effingham. A fixed tilt mount for example will receive 4.3 average hours per day. For more efficiency for your system in Effingham you could use a 1-axis tracking mount and increase your daily peak sun average to 5.6 hours, or even further with a 2-axis panel to get an average of 6.5 hours.


Solar Businesses in Effingham, Illinois

10088 E South Timberlake Av
Effingham, IL 62401
(217) 690-8987
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800 E Fayette Ave
Effingham, IL 62401
(217) 994-9020
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