Based on historical Colfax, IL data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Colfax.[1]
Colfax has an average monthly Global Horizontal Irradiance (GHI) of 4.02 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 1% greater than the average monthly Direct Normal Irradiance (DNI) of 3.99 kWh/m2/day. [1]
Solar installations in Colfax that are always titled at the latitude of Colfax (Average Tilt at Latitude or ATaL) average 4.64 kWh/m2/day, or about 15% greater than the average monthly GHI of 4.02 kWh/m2/day and approximately 16% greater than the average monthly DNI of 3.99 kWh/m2/day. [1]
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 Colfax
Solar Radiation Data in Colfax, IL
See the chart below for monthly solar radiation levels in Colfax.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for Colfax, IL
Colfax, IL has a average annual solar radiation value of 4.98 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Colfax is July with an average of 6.2 kWh/m2/day, followed by August at 6.02 kWh/m2/day and June at 5.96 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Colfax (Illinois) are December with an average of 2.85 kWh/m2/day, followed by January with an average of 3.37 kWh/m2/day and November at 3.73 kWh/m2/day. [1]
Solar Power Comparison: Colfax vs. the U.S.
Solar Power Levels in Colfax
The average monthly solar radiation level in Colfax, IL, of 4.98 kilowatt hours per square meter per day (kWh/m2/day) is approximately 27% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 25% less than the average level of 6.61 kWh/m2/day in a city with historically high levels (NV). [1]
→ Values listed as 0 (zero) are not available (N/A).
Solar Power: Colfax vs. the U.S.
Below is a month-by-month comparison of how average Colfax solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). [1]
→ k/m/d = kWh/m2/day = kilowatt hours per square meter per day.
→ Values listed as 0 (zero) are not available (N/A).
We do not currently have data on solar panel installations in the village of Colfax, IL at this current time.
Solar Power Output in Colfax
The Power of Solar in Colfax, IL
Monthly AC solar system output averages for Colfax (il). Month-by-month solar power, as ranked by AC output, in Colfax. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for Colfax, IL
Colfax (IL) has a average annual solar AC output value of 5721.81 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Colfax is July with an average of 574.16 kWhac, followed by August at 552.7 kWhac and May at 551.91 kWhac. [2]
The three months that historically average the lowest average solar output levels in Colfax (Illinois) are December with an average of 297.3 kWhac, followed by January with an average of 357.34 kWhac and November at 366.18 kWhac. [2]
Cost of Utilities in Colfax
Colfax Electricity Costs
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Solar Power Poll: Colfax
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Colfax Natural Gas Costs
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Gentle Breeze: 10 mps ESE
Precip.: Chance of Rain
Humidity: 86%
Cloud cover: 100%
Wed Dec 25
42°F
Light Rain
Min: 40°F
Max: 43°F
Gentle Breeze: 9 mps SE
Precip.: Chance of Rain
Humidity: 98%
Cloud cover: 100%
Thu Dec 26
50°F
Light Rain
Min: 39°F
Max: 52°F
Fresh Breeze: 19 mps SE
Precip.: Chance of Rain
Humidity: 69%
Cloud cover: 100%
More about Colfax
About Colfax
The village of Colfax, IL in McLean County has an approximate population of 1,061. [6]
Colfax, IL Solar Energy
To learn more about solar energy and solar power Colfax, IL, or for more solar-related resources for Colfax, visit the U.S. Energy Information Administration.
Did you know?
Various missions to space by different countries are known to utilize solar energy as a main power source.