See the chart below to see how different types of solar panel installations compare in Washington.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Washington, UT data, solar panels that always track the sun throughout the day will produce the maximum solar energy output in Washington. [1]
Washington has an average monthly Global Horizontal Irradiance (GHI) of 5.56 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 27% less than the average monthly Direct Normal Irradiance (DNI) of 7.65 kWh/m2/day. [1]
Solar installations in Washington that are always titled at the latitude of Washington (Average Tilt at Latitude or ATaL) average 6.59 kWh/m2/day, or about 19% greater than the average monthly GHI of 5.56 kWh/m2/day and approximately 14% less than the average monthly DNI of 7.65 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 Washington.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Washington, UT has a average annual solar radiation value of 6.38 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Washington is September with an average of 7.23 kWh/m2/day, followed by June at 7.12 kWh/m2/day and May at 7.07 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Washington (Utah) are December with an average of 4.9 kWh/m2/day, followed by January with an average of 5.12 kWh/m2/day and November at 5.56 kWh/m2/day. [1]
The average monthly solar radiation level in Washington, UT, of 6.38 kilowatt hours per square meter per day (kWh/m2/day) is approximately 62% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 3% 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 Washington 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 Washington, UT at this current time.
Monthly AC solar system output averages for Washington (ut). Month-by-month solar power, as ranked by AC output, in Washington. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Washington (UT) has a average annual solar AC output value of 7105 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Washington is April with an average of 654.27 kWhac, followed by May at 653.16 kWhac and March at 650.11 kWhac. [2]
The three months that historically average the lowest average solar output levels in Washington (Utah) are December with an average of 492.71 kWhac, followed by February with an average of 502.14 kWhac and January at 504.72 kWhac. [2]
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Vote now: Given all of the data and analysis provided for Washington, is solar power a good choice for residents of this city?
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The city of Washington, UT in Washington County has an approximate population of 18,761. [6]
To learn more about solar energy and solar power Washington, UT, or for more solar-related resources for Washington, visit the U.S. Energy Information Administration.
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