Solar Energy Data for Tennessee
Detailed solar irradiance and production data for 6 cities in Tennessee. The state averages 4.31 kWh/m²/day GHI — Average solar resources.
Tennessee near the national average for solar energy production. Solar installations are economically viable across most of Tennessee, particularly where electricity rates are above the national average.
Tennessee Overview
- Cities with data
- 6
- Avg. GHI
- 4.31 kWh/m²/day
- Solar Rating
- Average
- Best City
- Nashville (4.25 kWh/m²/d)
Cities in Tennessee — Ranked by Solar Potential
6 cities| Rank | City | GHI (kWh/m²/d) | Peak Sun Hours | 5kW Production | Est. Annual Savings | Payback |
|---|---|---|---|---|---|---|
| #1 | Nashville (pop. 670,820) | 4.25 | 4.8 | 7,023 kWh | $794 | 13.2 yrs |
| #2 | Memphis (pop. 650,910) | 4.44 | 5.0 | 7,285 kWh | $823 | 12.8 yrs |
| #3 | Knoxville (pop. 187,603) | 4.34 | 4.9 | 7,198 kWh | $813 | 12.9 yrs |
| #4 | Chattanooga (pop. 182,799) | 4.32 | 4.9 | 7,139 kWh | $807 | 13.0 yrs |
| #5 | Clarksville (pop. 166,722) | 4.26 | 4.8 | 7,037 kWh | $795 | 13.2 yrs |
| #6 | Murfreesboro (pop. 152,769) | 4.26 | 4.8 | 7,037 kWh | $795 | 13.2 yrs |
Analyze any Tennessee location
These figures are city-level averages. For your exact address in Tennessee, use SolarScope's Site Studio to account for roof orientation, shading, and your utility rate.