See the chart below to see how different types of solar panel installations compare in 77973.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical 77973 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 77973. [1]
The region associated with 77973 has an average monthly Global Horizontal Irradiance (GHI) of 4.65 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 10% greater than the average monthly Direct Normal Irradiance (DNI) of 4.24 kWh/m2/day. [1]
Solar installations in 77973 that are always titled at the latitude of Mcfaddin (Average Tilt at Latitude or ATaL) average 5.02 kWh/m2/day, or about 8% greater than the average monthly GHI of 4.65 kWh/m2/day and approximately 18% greater than the average monthly DNI of 4.24 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 77973.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
The region associated with 77973 has a average annual solar radiation value of 5.33 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in 77973 is August with an average of 6.01 kWh/m2/day, followed by October at 5.96 kWh/m2/day and September at 5.86 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in 77973 are December with an average of 4.41 kWh/m2/day, followed by January with an average of 4.54 kWh/m2/day and February at 5.02 kWh/m2/day. [1]
The average monthly solar radiation level in 77973, of 5.33 kilowatt hours per square meter per day (kWh/m2/day) is approximately 36% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 19% 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 77973 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 77973 at the current time.
Monthly AC solar system output averages for 77973. Month-by-month solar power, as ranked by AC output, in 77973. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
77973 has a average annual solar AC output value of 5906.02 kilowatt hours (AC). [2]
The month with the highest historical solar power output in 77973 is October with an average of 563.7 kWhac, followed by August at 548.19 kWhac and July at 521.5 kWhac. [2]
The three months that historically average the lowest average solar output levels in 77973 are December with an average of 425.69 kWhac, followed by February with an average of 437.43 kWhac and January at 444.98 kWhac. [2]
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The ZIP code 77973 is associated with the city of Mcfaddin in Victoria County in Texas.
To learn more about solar energy and solar power in 77973, or for more solar-related resources for TX, 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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