See the chart below to see how different types of solar panel installations compare in Ketchikan.
Historical solar power output data for Ketchikan is not currently available.
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 Ketchikan.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Ketchikan, AK has a average annual solar radiation value of 2.71 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Ketchikan is June with an average of 4.6 kWh/m2/day, followed by May at 4.27 kWh/m2/day and April at 3.97 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Ketchikan (Alaska) are December with an average of 0.82 kWh/m2/day, followed by January with an average of 1.12 kWh/m2/day and November at 1.2 kWh/m2/day. [1]
The average monthly solar radiation level in Ketchikan, AK, of 2.71 kilowatt hours per square meter per day (kWh/m2/day) is approximately 31% less than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 59% 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 Ketchikan 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 Ketchikan, AK at this current time.
Monthly AC solar system output averages for Ketchikan (ak). Month-by-month solar power, as ranked by AC output, in Ketchikan. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Ketchikan (AK) has a average annual solar AC output value of 3115.55 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Ketchikan is June with an average of 427.74 kWhac, followed by May at 416.58 kWhac and April at 375.34 kWhac. [2]
The three months that historically average the lowest average solar output levels in Ketchikan (Alaska) are December with an average of 85.52 kWhac, followed by January with an average of 115.09 kWhac and November at 117.86 kWhac. [2]
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Vote now: Given all of the data and analysis provided for Ketchikan, is solar power a good choice for residents of this city?
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The city of Ketchikan, AK in Ketchikan Gateway County has an approximate population of 8,050. [6]
To learn more about solar energy and solar power Ketchikan, AK, or for more solar-related resources for Ketchikan, visit the U.S. Energy Information Administration.
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