Based on historical Roanoke, 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 Roanoke.[1]
Roanoke has an average monthly Global Horizontal Irradiance (GHI) of 3.99 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 1% greater than the average monthly Direct Normal Irradiance (DNI) of 3.95 kWh/m2/day. [1]
Solar installations in Roanoke that are always titled at the latitude of Roanoke (Average Tilt at Latitude or ATaL) average 4.6 kWh/m2/day, or about 15% greater than the average monthly GHI of 3.99 kWh/m2/day and approximately 16% greater than the average monthly DNI of 3.95 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 Roanoke
Solar Radiation Data in Roanoke, IL
See the chart below for monthly solar radiation levels in Roanoke.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for Roanoke, IL
Roanoke, 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 Roanoke is July with an average of 6.25 kWh/m2/day, followed by September at 5.97 kWh/m2/day and August at 5.93 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Roanoke (Illinois) are December with an average of 3.03 kWh/m2/day, followed by January with an average of 3.4 kWh/m2/day and November at 3.75 kWh/m2/day. [1]
Solar Power Comparison: Roanoke vs. the U.S.
Solar Power Levels in Roanoke
The average monthly solar radiation level in Roanoke, 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).
Solar Power: Roanoke vs. the U.S.
Below is a month-by-month comparison of how average Roanoke 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 Roanoke, IL at this current time.
Solar Power Output in Roanoke
The Power of Solar in Roanoke, IL
Monthly AC solar system output averages for Roanoke (il). Month-by-month solar power, as ranked by AC output, in Roanoke. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for Roanoke, IL
Roanoke (IL) has a average annual solar AC output value of 5633.44 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Roanoke is July with an average of 573.88 kWhac, followed by August at 544.64 kWhac and May at 540.87 kWhac. [2]
The three months that historically average the lowest average solar output levels in Roanoke (Illinois) are December with an average of 312.92 kWhac, followed by January with an average of 354.28 kWhac and November at 368.46 kWhac. [2]
Cost of Utilities in Roanoke
Roanoke Electricity Costs
Sorry, Roanoke residential electricity prices are currently unavailable.
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Solar Power Poll: Roanoke
Vote now: Given all of the data and analysis provided for Roanoke, is solar power a good choice for residents of this village?
Roanoke Natural Gas Costs
Sorry, Illinois residential natural gas prices are currently unavailable.
The village of Roanoke, IL in Woodford County has an approximate population of 2,065. [6]
Roanoke, IL Solar Energy
To learn more about solar energy and solar power Roanoke, IL, or for more solar-related resources for Roanoke, 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.