Based on historical Silvis, 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 Silvis.[1]
Silvis has an average monthly Global Horizontal Irradiance (GHI) of 3.97 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 2% less than the average monthly Direct Normal Irradiance (DNI) of 4.05 kWh/m2/day. [1]
Solar installations in Silvis that are always titled at the latitude of Silvis (Average Tilt at Latitude or ATaL) average 4.64 kWh/m2/day, or about 17% greater than the average monthly GHI of 3.97 kWh/m2/day and approximately 15% greater than the average monthly DNI of 4.05 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 Silvis
Solar Radiation Data in Silvis, IL
See the chart below for monthly solar radiation levels in Silvis.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for Silvis, IL
Silvis, IL has a average annual solar radiation value of 4.91 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Silvis is July with an average of 6.05 kWh/m2/day, followed by August at 6.01 kWh/m2/day and September at 5.91 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Silvis (Illinois) are December with an average of 3.04 kWh/m2/day, followed by January with an average of 3.46 kWh/m2/day and November at 3.6 kWh/m2/day. [1]
Solar Power Comparison: Silvis vs. the U.S.
Solar Power Levels in Silvis
The average monthly solar radiation level in Silvis, IL, of 4.91 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 26% 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: Silvis vs. the U.S.
Below is a month-by-month comparison of how average Silvis 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 city of Silvis, IL at this current time.
Solar Power Output in Silvis
The Power of Solar in Silvis, IL
Monthly AC solar system output averages for Silvis (il). Month-by-month solar power, as ranked by AC output, in Silvis. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for Silvis, IL
Silvis (IL) has a average annual solar AC output value of 5635.77 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Silvis is July with an average of 568.59 kWhac, followed by August at 561.5 kWhac and May at 541.82 kWhac. [2]
The three months that historically average the lowest average solar output levels in Silvis (Illinois) are December with an average of 314.61 kWhac, followed by November with an average of 349.45 kWhac and January at 363.26 kWhac. [2]
Cost of Utilities in Silvis
Silvis Electricity Costs
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Solar Power Poll: Silvis
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Silvis Natural Gas Costs
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Gentle Breeze: 10 mps E
Precip.: Chance of Rain
Humidity: 78%
Cloud cover: 100%
Wed Dec 25
40°F
Light Rain
Min: 37°F
Max: 41°F
Light breeze: 5 mps NNE
Precip.: Chance of Rain
Humidity: 90%
Cloud cover: 100%
Thu Dec 26
44°F
Moderate Rain
Min: 36°F
Max: 51°F
Fresh Breeze: 20 mps ESE
Precip.: Chance of Rain
Humidity: 87%
Cloud cover: 100%
More about Silvis
About Silvis
The city of Silvis, IL in Rock Island County has an approximate population of 7,479. [6]
Silvis, IL Solar Energy
To learn more about solar energy and solar power Silvis, IL, or for more solar-related resources for Silvis, visit the U.S. Energy Information Administration.
Did you know?
Some tax incentives and rebate programs are designed to spur the use of solar energy. These vary by location.