Based on historical Lewiston, ID data, solar panels that always track the sun throughout the day will produce the maximum solar energy output in Lewiston.[1]
Lewiston has an average monthly Global Horizontal Irradiance (GHI) of 4.06 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 17% less than the average monthly Direct Normal Irradiance (DNI) of 4.91 kWh/m2/day. [1]
Solar installations in Lewiston that are always titled at the latitude of Lewiston (Average Tilt at Latitude or ATaL) average 4.87 kWh/m2/day, or about 20% greater than the average monthly GHI of 4.06 kWh/m2/day and approximately 1% less than the average monthly DNI of 4.91 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 Lewiston
Solar Radiation Data in Lewiston, ID
See the chart below for monthly solar radiation levels in Lewiston.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for Lewiston, ID
Lewiston, ID has a average annual solar radiation value of 4.69 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Lewiston is July with an average of 7.11 kWh/m2/day, followed by August at 6.9 kWh/m2/day and June at 6.27 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Lewiston (Idaho) are December with an average of 1.91 kWh/m2/day, followed by January with an average of 2.1 kWh/m2/day and November at 2.38 kWh/m2/day. [1]
Solar Power Comparison: Lewiston vs. the U.S.
Solar Power Levels in Lewiston
The average monthly solar radiation level in Lewiston, ID, of 4.69 kilowatt hours per square meter per day (kWh/m2/day) is approximately 19% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 29% 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: Lewiston vs. the U.S.
Below is a month-by-month comparison of how average Lewiston 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 Lewiston, ID at this current time.
Solar Power Output in Lewiston
The Power of Solar in Lewiston, ID
Monthly AC solar system output averages for Lewiston (id). Month-by-month solar power, as ranked by AC output, in Lewiston. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for Lewiston, ID
Lewiston (ID) has a average annual solar AC output value of 5280.27 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Lewiston is July with an average of 649.41 kWhac, followed by August at 632.72 kWhac and May at 576.59 kWhac. [2]
The three months that historically average the lowest average solar output levels in Lewiston (Idaho) are December with an average of 197.46 kWhac, followed by January with an average of 216.17 kWhac and November at 235.34 kWhac. [2]
Cost of Utilities in Lewiston
Lewiston Electricity Costs
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Solar Power Poll: Lewiston
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Lewiston Natural Gas Costs
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More about Lewiston
About Lewiston
The city of Lewiston, ID in Nez Perce County has an approximate population of 31,894. [6]
Lewiston, ID Solar Energy
To learn more about solar energy and solar power Lewiston, ID, or for more solar-related resources for Lewiston, visit the U.S. Energy Information Administration.
Did you know?
Nineteen-year-old Edmund Becquerel, a French experimental physicist, discovered the basis of solar energy in 1839.