Based on historical Chehalis, WA data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Chehalis.[1]
Chehalis has an average monthly Global Horizontal Irradiance (GHI) of 3.37 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 7% greater than the average monthly Direct Normal Irradiance (DNI) of 3.15 kWh/m2/day. [1]
Solar installations in Chehalis that are always titled at the latitude of Chehalis (Average Tilt at Latitude or ATaL) average 3.86 kWh/m2/day, or about 15% greater than the average monthly GHI of 3.37 kWh/m2/day and approximately 23% greater than the average monthly DNI of 3.15 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 Chehalis
Solar Radiation Data in Chehalis, WA
See the chart below for monthly solar radiation levels in Chehalis.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for Chehalis, WA
Chehalis, WA has a average annual solar radiation value of 3.86 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Chehalis is August with an average of 5.89 kWh/m2/day, followed by July at 5.76 kWh/m2/day and June at 5.27 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Chehalis (Washington) are January with an average of 1.73 kWh/m2/day, followed by December with an average of 1.78 kWh/m2/day and November at 1.79 kWh/m2/day. [1]
Solar Power Comparison: Chehalis vs. the U.S.
Solar Power Levels in Chehalis
The average monthly solar radiation level in Chehalis, WA, of 3.86 kilowatt hours per square meter per day (kWh/m2/day) is approximately 2% less than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 42% 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: Chehalis vs. the U.S.
Below is a month-by-month comparison of how average Chehalis 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 Chehalis, WA at this current time.
Solar Power Output in Chehalis
The Power of Solar in Chehalis, WA
Monthly AC solar system output averages for Chehalis (wa). Month-by-month solar power, as ranked by AC output, in Chehalis. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for Chehalis, WA
Chehalis (WA) has a average annual solar AC output value of 4332.43 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Chehalis is August with an average of 538.69 kWhac, followed by July at 531.05 kWhac and June at 477.27 kWhac. [2]
The three months that historically average the lowest average solar output levels in Chehalis (Washington) are November with an average of 173.17 kWhac, followed by January with an average of 173.58 kWhac and December at 178.65 kWhac. [2]
Cost of Utilities in Chehalis
Chehalis Electricity Costs
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Solar Power Poll: Chehalis
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Chehalis Natural Gas Costs
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More about Chehalis
About Chehalis
The city of Chehalis, WA in Lewis County has an approximate population of 7,259. [6]
Chehalis, WA Solar Energy
To learn more about solar energy and solar power Chehalis, WA, or for more solar-related resources for Chehalis, visit the U.S. Energy Information Administration.
Did you know?
It takes light about 8 minutes, 19 seconds to travel the 93,000,000 miles from the sun's surface to us on Earth.