See the chart below to see how different types of solar panel installations compare in Ennis.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Ennis, TX data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Ennis. [1]
Ennis has an average monthly Global Horizontal Irradiance (GHI) of 4.72 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 4% less than the average monthly Direct Normal Irradiance (DNI) of 4.92 kWh/m2/day. [1]
Solar installations in Ennis that are always titled at the latitude of Ennis (Average Tilt at Latitude or ATaL) average 5.27 kWh/m2/day, or about 12% greater than the average monthly GHI of 4.72 kWh/m2/day and approximately 7% greater than the average monthly DNI of 4.92 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 Ennis.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Ennis, TX has a average annual solar radiation value of 5.52 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Ennis is August with an average of 6.34 kWh/m2/day, followed by July at 6.16 kWh/m2/day and September at 6.05 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Ennis (Texas) are January with an average of 4.52 kWh/m2/day, followed by December with an average of 4.59 kWh/m2/day and November at 4.95 kWh/m2/day. [1]
The average monthly solar radiation level in Ennis, TX, of 5.52 kilowatt hours per square meter per day (kWh/m2/day) is approximately 40% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 16% 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 Ennis 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 Ennis, TX at this current time.
Monthly AC solar system output averages for Ennis (tx). Month-by-month solar power, as ranked by AC output, in Ennis. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Ennis (TX) has a average annual solar AC output value of 6113.86 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Ennis is August with an average of 567.69 kWhac, followed by July at 555.51 kWhac and September at 538.77 kWhac. [2]
The three months that historically average the lowest average solar output levels in Ennis (Texas) are January with an average of 446.25 kWhac, followed by December with an average of 450.21 kWhac and November at 464.24 kWhac. [2]
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Vote now: Given all of the data and analysis provided for Ennis, is solar power a good choice for residents of this city?
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The city of Ennis, TX in Ellis County has an approximate population of 18,513. [6]
To learn more about solar energy and solar power Ennis, TX, or for more solar-related resources for Ennis, visit the U.S. Energy Information Administration.
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