See the chart below to see how different types of solar panel installations compare in 91801.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical 91801 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 91801. [1]
The region associated with 91801 has an average monthly Global Horizontal Irradiance (GHI) of 5.27 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 8% less than the average monthly Direct Normal Irradiance (DNI) of 5.73 kWh/m2/day. [1]
Solar installations in 91801 that are always titled at the latitude of Alhambra (Average Tilt at Latitude or ATaL) average 6.02 kWh/m2/day, or about 14% greater than the average monthly GHI of 5.27 kWh/m2/day and approximately 5% greater than the average monthly DNI of 5.73 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 91801.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
The region associated with 91801 has a average annual solar radiation value of 6.26 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in 91801 is August with an average of 7.13 kWh/m2/day, followed by September at 7.07 kWh/m2/day and July at 6.68 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in 91801 are January with an average of 5.45 kWh/m2/day, followed by December with an average of 5.48 kWh/m2/day and February at 5.68 kWh/m2/day. [1]
The average monthly solar radiation level in 91801, of 6.26 kilowatt hours per square meter per day (kWh/m2/day) is approximately 59% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 5% 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 91801 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 91801 at the current time.
Monthly AC solar system output averages for 91801. Month-by-month solar power, as ranked by AC output, in 91801. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
91801 has a average annual solar AC output value of 6862.06 kilowatt hours (AC). [2]
The month with the highest historical solar power output in 91801 is August with an average of 651.88 kWhac, followed by September at 624.04 kWhac and March at 617.66 kWhac. [2]
The three months that historically average the lowest average solar output levels in 91801 are February with an average of 488 kWhac, followed by January with an average of 514.83 kWhac and December at 520.9 kWhac. [2]
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The ZIP code 91801 is associated with the city of Alhambra in Los Angeles County in California.
To learn more about solar energy and solar power in 91801, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.
Nineteen-year-old Edmund Becquerel, a French experimental physicist, discovered the basis of solar energy in 1839.
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