See the chart below to see how different types of solar panel installations compare in Coulee City.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Coulee City, WA data, solar panels that always track the sun throughout the day will produce the maximum solar energy output in Coulee City. [1]
Coulee City has an average monthly Global Horizontal Irradiance (GHI) of 4.14 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 19% less than the average monthly Direct Normal Irradiance (DNI) of 5.11 kWh/m2/day. [1]
Solar installations in Coulee City that are always titled at the latitude of Coulee City (Average Tilt at Latitude or ATaL) average 4.98 kWh/m2/day, or about 20% greater than the average monthly GHI of 4.14 kWh/m2/day and approximately 3% less than the average monthly DNI of 5.11 kWh/m2/day. [1]
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: 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: 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.
See the chart below for monthly solar radiation levels in Coulee City.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Coulee City, WA has a average annual solar radiation value of 4.99 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Coulee City is July with an average of 7.43 kWh/m2/day, followed by August at 7.15 kWh/m2/day and June at 6.67 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Coulee City (Washington) are January with an average of 1.75 kWh/m2/day, followed by December with an average of 2.04 kWh/m2/day and November at 2.66 kWh/m2/day. [1]
The average monthly solar radiation level in Coulee City, WA, of 4.99 kilowatt hours per square meter per day (kWh/m2/day) is approximately 27% 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).
Below is a month-by-month comparison of how average Coulee City 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 Coulee City, WA at this current time.
Monthly AC solar system output averages for Coulee City (wa). Month-by-month solar power, as ranked by AC output, in Coulee City. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Coulee City (WA) has a average annual solar AC output value of 5640.94 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Coulee City is July with an average of 678.3 kWhac, followed by August at 656.91 kWhac and May at 617.31 kWhac. [2]
The three months that historically average the lowest average solar output levels in Coulee City (Washington) are January with an average of 180.45 kWhac, followed by December with an average of 211.83 kWhac and November at 262.14 kWhac. [2]
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The town of Coulee City, WA in Grant County has an approximate population of 562. [6]
To learn more about solar energy and solar power Coulee City, WA, or for more solar-related resources for Coulee City, visit the U.S. Energy Information Administration.
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