See the chart below to see how different types of solar panel installations compare in Westfield.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Westfield, 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 Westfield. [1]
Westfield has an average monthly Global Horizontal Irradiance (GHI) of 4.1 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 1% greater than the average monthly Direct Normal Irradiance (DNI) of 4.07 kWh/m2/day. [1]
Solar installations in Westfield that are always titled at the latitude of Westfield (Average Tilt at Latitude or ATaL) average 4.7 kWh/m2/day, or about 15% greater than the average monthly GHI of 4.1 kWh/m2/day and approximately 15% greater than the average monthly DNI of 4.07 kWh/m2/day. [1]
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: 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: 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.
See the chart below for monthly solar radiation levels in Westfield.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Westfield, IL has a average annual solar radiation value of 4.93 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Westfield is August with an average of 6.18 kWh/m2/day, followed by July at 6.03 kWh/m2/day and June at 5.93 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Westfield (Illinois) are December with an average of 3 kWh/m2/day, followed by January with an average of 3.57 kWh/m2/day and November at 3.84 kWh/m2/day. [1]
The average monthly solar radiation level in Westfield, IL, of 4.93 kilowatt hours per square meter per day (kWh/m2/day) is approximately 25% 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).
Below is a month-by-month comparison of how average Westfield 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 Westfield, IL at this current time.
Monthly AC solar system output averages for Westfield (il). Month-by-month solar power, as ranked by AC output, in Westfield. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Westfield (IL) has a average annual solar AC output value of 5632.64 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Westfield is August with an average of 568.65 kWhac, followed by July at 560.45 kWhac and June at 539.15 kWhac. [2]
The three months that historically average the lowest average solar output levels in Westfield (Illinois) are December with an average of 312.49 kWhac, followed by January with an average of 370.87 kWhac and November at 378.29 kWhac. [2]
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Vote now: Given all of the data and analysis provided for Westfield, is solar power a good choice for residents of this village?
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The village of Westfield, IL in Clark County has an approximate population of 601. [6]
To learn more about solar energy and solar power Westfield, IL, or for more solar-related resources for Westfield, visit the U.S. Energy Information Administration.
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