Based on historical 78237 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 78237.[1]
The region associated with 78237 has an average monthly Global Horizontal Irradiance (GHI) of 4.77 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 1% greater than the average monthly Direct Normal Irradiance (DNI) of 4.71 kWh/m2/day. [1]
Solar installations in 78237 that are always titled at the latitude of San Antonio (Average Tilt at Latitude or ATaL) average 5.22 kWh/m2/day, or about 9% greater than the average monthly GHI of 4.77 kWh/m2/day and approximately 11% greater than the average monthly DNI of 4.71 kWh/m2/day. [1]
Solar Energy Glossary
Global Horizontal Irradiance (GHI)
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 (DNI)
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 (ATaL)
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.
Solar Radiation Levels in 78237
Solar Radiation Data in 78237
See the chart below for monthly solar radiation levels in 78237.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for 78237
The region associated with 78237 has a average annual solar radiation value of 5.47 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in 78237 is August with an average of 6.24 kWh/m2/day, followed by October at 5.97 kWh/m2/day and July at 5.85 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in 78237 are December with an average of 4.67 kWh/m2/day, followed by January with an average of 4.79 kWh/m2/day and November at 4.93 kWh/m2/day. [1]
Solar Power Comparison: 78237 vs. the U.S.
Solar Power Levels in 78237
The average monthly solar radiation level in 78237, of 5.47 kilowatt hours per square meter per day (kWh/m2/day) is approximately 39% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 17% 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).
Solar Power: 78237 vs. the U.S.
Below is a month-by-month comparison of how average 78237 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 78237 at the current time.
Solar Power Output in 78237
The Power of Solar in 78237
Monthly AC solar system output averages for 78237. Month-by-month solar power, as ranked by AC output, in 78237. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for 78237
78237 has a average annual solar AC output value of 6029.49 kilowatt hours (AC). [2]
The month with the highest historical solar power output in 78237 is August with an average of 570.84 kWhac, followed by October at 557.82 kWhac and July at 527.86 kWhac. [2]
The three months that historically average the lowest average solar output levels in 78237 are December with an average of 455.56 kWhac, followed by November with an average of 456.64 kWhac and January at 464.63 kWhac. [2]
The ZIP code 78237 is associated with the city of San Antonio in Bexar County in Texas.
78237 Solar Energy & Power
To learn more about solar energy and solar power in 78237, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.
Did you know?
The solar energy that strikes the Earth in one hour could provide all of the Earth's energy needs for a complete year.