See the chart below to see how different types of solar panel installations compare in 81657.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical 81657 data, solar panels that always track the sun throughout the day will produce the maximum solar energy output in 81657. [1]
The region associated with 81657 has an average monthly Global Horizontal Irradiance (GHI) of 4.52 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 22% less than the average monthly Direct Normal Irradiance (DNI) of 5.78 kWh/m2/day. [1]
Solar installations in 81657 that are always titled at the latitude of Vail (Average Tilt at Latitude or ATaL) average 5.25 kWh/m2/day, or about 16% greater than the average monthly GHI of 4.52 kWh/m2/day and approximately 9% less than the average monthly DNI of 5.78 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 81657.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
The region associated with 81657 has a average annual solar radiation value of 5.71 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in 81657 is June with an average of 6.71 kWh/m2/day, followed by April at 6.69 kWh/m2/day and May at 6.27 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in 81657 are December with an average of 4.05 kWh/m2/day, followed by January with an average of 4.55 kWh/m2/day and November at 5.12 kWh/m2/day. [1]
The average monthly solar radiation level in 81657, of 5.71 kilowatt hours per square meter per day (kWh/m2/day) is approximately 45% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 14% 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 81657 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 have data on solar panel installations in ZIP Code 81657 at the current time.
Monthly AC solar system output averages for 81657. Month-by-month solar power, as ranked by AC output, in 81657. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
81657 has a average annual solar AC output value of 6405.66 kilowatt hours (AC). [2]
The month with the highest historical solar power output in 81657 is April with an average of 625.61 kWhac, followed by March at 596.8 kWhac and May at 593.2 kWhac. [2]
The three months that historically average the lowest average solar output levels in 81657 are December with an average of 414.3 kWhac, followed by January with an average of 457.31 kWhac and February at 469.63 kWhac. [2]
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The ZIP code 81657 is associated with the city of Vail in Eagle County in Colorado.
To learn more about solar energy and solar power in 81657, or for more solar-related resources for CO, check out the U.S. Energy Information Administration.
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