Based on historical Rock Island, OK data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Rock Island.[1]
Rock Island has an average monthly Global Horizontal Irradiance (GHI) of 4.46 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 5% less than the average monthly Direct Normal Irradiance (DNI) of 4.68 kWh/m2/day. [1]
Solar installations in Rock Island that are always titled at the latitude of Rock Island (Average Tilt at Latitude or ATaL) average 5.06 kWh/m2/day, or about 13% greater than the average monthly GHI of 4.46 kWh/m2/day and approximately 8% greater than the average monthly DNI of 4.68 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 Rock Island
Solar Radiation Data in Rock Island, OK
See the chart below for monthly solar radiation levels in Rock Island.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for Rock Island, OK
Rock Island, OK has a average annual solar radiation value of 5.28 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Rock Island is August with an average of 6.03 kWh/m2/day, followed by September at 5.99 kWh/m2/day and June at 5.98 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Rock Island (Oklahoma) are December with an average of 4 kWh/m2/day, followed by January with an average of 4.39 kWh/m2/day and February at 4.57 kWh/m2/day. [1]
Solar Power Comparison: Rock Island vs. the U.S.
Solar Power Levels in Rock Island
The average monthly solar radiation level in Rock Island, OK, of 5.28 kilowatt hours per square meter per day (kWh/m2/day) is approximately 34% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 20% 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: Rock Island vs. the U.S.
Below is a month-by-month comparison of how average Rock Island 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 town of Rock Island, OK at this current time.
Solar Power Output in Rock Island
The Power of Solar in Rock Island, OK
Monthly AC solar system output averages for Rock Island (ok). Month-by-month solar power, as ranked by AC output, in Rock Island. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for Rock Island, OK
Rock Island (OK) has a average annual solar AC output value of 5720.72 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Rock Island is August with an average of 529.15 kWhac, followed by June at 517.24 kWhac and September at 516.37 kWhac. [2]
The three months that historically average the lowest average solar output levels in Rock Island (Oklahoma) are December with an average of 386.58 kWhac, followed by February with an average of 397.86 kWhac and January at 426.63 kWhac. [2]
Cost of Utilities in Rock Island
Rock Island Electricity Costs
Sorry, Rock Island residential electricity prices are currently unavailable.
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Solar Power Poll: Rock Island
Vote now: Given all of the data and analysis provided for Rock Island, is solar power a good choice for residents of this town?
Rock Island Natural Gas Costs
Sorry, Oklahoma residential natural gas prices are currently unavailable.
The town of Rock Island, OK in Le Flore County has an approximate population of 646. [6]
Rock Island, OK Solar Energy
To learn more about solar energy and solar power Rock Island, OK, or for more solar-related resources for Rock Island, visit the U.S. Energy Information Administration.
Did you know?
Solar cells convert sunlight into electricity through a physical process known as the photovoltaic effect.
