Solar Energy Data for Texas
Detailed solar irradiance and production data for 19 cities in Texas. The state averages 4.87 kWh/m²/day GHI — Average solar resources.
Texas near the national average for solar energy production. Solar installations are economically viable across most of Texas, particularly where electricity rates are above the national average.
Texas Overview
- Cities with data
- 19
- Avg. GHI
- 4.87 kWh/m²/day
- Solar Rating
- Average
- Best City
- Austin (5.0 kWh/m²/d)
Cities in Texas — Ranked by Solar Potential
19 cities| Rank | City | GHI (kWh/m²/d) | Peak Sun Hours | 5kW Production | Est. Annual Savings | Payback |
|---|---|---|---|---|---|---|
| #1 | Austin (pop. 961,855) | 5.0 | 5.8 | 8,468 kWh | $1,058 | 9.9 yrs |
| #2 | Fort Worth (pop. 918,915) | 5.0 | 5.8 | 8,468 kWh | $1,058 | 9.9 yrs |
| #3 | San Antonio (pop. 1,434,625) | 4.76 | 5.2 | 7,607 kWh | $951 | 11.0 yrs |
| #4 | Dallas (pop. 1,304,379) | 4.68 | 5.2 | 7,650 kWh | $956 | 11.0 yrs |
| #5 | Houston (pop. 2,304,580) | 4.55 | 5.0 | 7,242 kWh | $905 | 11.6 yrs |
| #6 | Laredo (pop. 261,639) | 5.13 | 5.6 | 8,147 kWh | $1,018 | 10.3 yrs |
| #7 | Lubbock (pop. 255,885) | 5.32 | 6.1 | 8,935 kWh | $1,117 | 9.4 yrs |
| #8 | Garland (pop. 246,018) | 4.7 | 5.3 | 7,709 kWh | $964 | 10.9 yrs |
| #9 | Brownsville (pop. 182,781) | 4.85 | 5.2 | 7,519 kWh | $940 | 11.2 yrs |
| #10 | Port Arthur (pop. 54,135) | 4.62 | 5.1 | 7,388 kWh | $924 | 11.4 yrs |
| #11 | Pasadena (pop. 153,727) | 4.57 | 5.0 | 7,256 kWh | $907 | 11.6 yrs |
| #12 | McAllen (pop. 142,212) | 5.03 | 5.4 | 7,855 kWh | $982 | 10.7 yrs |
| #13 | Mesquite (pop. 143,484) | 4.71 | 5.3 | 7,709 kWh | $964 | 10.9 yrs |
| #14 | Frisco (pop. 177,286) | 4.73 | 5.3 | 7,767 kWh | $971 | 10.8 yrs |
| #15 | McKinney (pop. 199,177) | 4.69 | 5.3 | 7,694 kWh | $962 | 10.9 yrs |
| #16 | El Paso (pop. 649,121) | 5.86 | 6.5 | 9,505 kWh | $1,188 | 8.8 yrs |
| #17 | Arlington (pop. 398,854) | 4.77 | 5.4 | 7,826 kWh | $978 | 10.7 yrs |
| #18 | Corpus Christi (pop. 326,586) | 4.91 | 5.3 | 7,723 kWh | $965 | 10.9 yrs |
| #19 | Plano (pop. 285,494) | 4.7 | 5.3 | 7,709 kWh | $964 | 10.9 yrs |
Analyze any Texas location
These figures are city-level averages. For your exact address in Texas, use SolarScope's Site Studio to account for roof orientation, shading, and your utility rate.