Solar Panel Costs in Tennessee (2026)
Avg cost: $2.80/watt | 4.5 sun hours/day | Good
Tennessee Solar Overview
$2.80/W
Cost Per Watt
4.5 hrs
Peak Sun Hours
2,200 MW
Installed Capacity
Good
Solar Rating
A typical 7 kW residential system in Tennessee costs $17,640 before the federal tax credit and $12,348 after. With 4.5 peak sun hours per day, the system produces approximately 9,198 kWh annually, saving an estimated $1,472/year. The payback period is approximately 8.4 years.
Net Metering in Tennessee
TVA offers Green Invest program; some co-ops offer net metering
State Incentives & Tax Credits
Federal ITC (30%)
Save $5,292 on a 7 kW system. Available through 2032.
Tennessee State Incentive
TVA Green Invest program; no state tax credit (no state income tax)
Solar Service Costs in Tennessee
| Service | Low | High | TN Avg |
|---|---|---|---|
| Residential Solar Installation | $13,500 | $27,000 | $20,250 |
| Commercial Solar Installation | $45,000 | $180,000 | $90,000 |
| Battery Storage Installation | $4,500 | $13,500 | $9,000 |
| Solar Panel Removal | $1,350 | $4,500 | $2,700 |
| Solar Panel Cleaning | $135 | $540 | $270 |
| Inverter Replacement | $900 | $3,150 | $1,800 |
| Solar Roof Tiles | $36,000 | $67,500 | $49,500 |
| Solar Water Heater | $2,700 | $6,300 | $4,500 |
Top Solar Installers in Tennessee
- LightWave Solar
- Solar Alliance
- Sunrun
Always verify NABCEP certification, state licensing, insurance, and customer reviews. Get at least 3 written quotes.