Solar Panel Cost in Tennessee (2026)
Solar panel costs in Tennessee depend on system size, roof type, local labor rates, and your utility's net metering rules. In Tennessee, a typical 6 kW residential system runs $11,550–$20,440 before incentives, with 30% federal tax credit reducing net cost to about $8,080–$14,310. Average electricity rate: 12.5¢/kWh.
Quick answer
In Tennessee, a 6 kW solar panel system costs about $14,850 installed (9.9-year payback). After the 30% federal tax credit, net cost is roughly $10,400. Annual savings: ~$1,050/year at 12.5¢/kWh.
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Solar Panel Cost Calculator
Estimate for Tennessee
$6,900 net after tax credit
~4 kW system · $9,900 before 12.5¢/kWh incentives
Annual savings
$698
Payback
9.9 years
30-year savings
$18,846
Tennessee vs US Average
| Metric | TN | US avg |
|---|---|---|
| 6 kW system (before credit) | $14,850 | $16,271 |
| Net cost after 30% ITC | $10,400 | $11,390 |
| Cost per watt | $2.48/W | — |
| Annual electricity savings | $1,050 | $1,335 |
| Payback period (years) | 9.9 yrs | 9 yrs |
| Electricity rate | 12.5¢/kWh | — |
Updated 2026-07-07. Estimates only.
What affects solar costs in Tennessee?
- Installer pricing in Tennessee averages $2.48/watt — below the US median
- 4.5 peak sun hours/day drives production and payback speed
- Federal Investment Tax Credit (ITC) covers 30% of system cost through 2032 for qualifying homeowners
- Tennessee utility rates at 12.5¢/kWh affect monthly bill savings
Solar installation costs in Tennessee reflect local labor rates, permit fees, and utility interconnection rules. A typical 6 kW system runs $11,550–$20,440 before the 30% federal tax credit, with net cost around $8,080–$14,310.
Tennessee averages 12.5¢/kWh and 4.5 peak sun hours per day — moderate solar production potential for rooftop systems.
Incentives in Tennessee
Tennessee homeowners may qualify for the 30% federal ITC plus any active state or utility rebates. Verify current programs at dsireusa.org before signing a contract.
How to maximize solar ROI in Tennessee
- Compare at least three installer quotes in Tennessee
- Model payback using your actual utility rate and usage
- Ask whether net metering or buyback rates apply in your utility territory
- Confirm ITC eligibility with a tax professional
Tennessee install costs average $2.48/W with estimated 9.9-year payback on a 6 kW system — below US national averages.
Cost snapshot — TN
- 6 kW system
- $11,550 – $20,440
- After 30% tax credit
- $8,080 – $14,310
- Annual savings
- $860 – $1,210
- Battery add-on
- $6,080 – $10,940
Frequently Asked Questions
How much do solar panels cost in Tennessee?
A 6 kW solar system in Tennessee typically costs $11,550–$20,440 installed. After the 30% federal tax credit, net cost is about $8,080–$14,310. Cost per watt ranges from $2.1–$2.92.
What is the solar payback period in Tennessee?
In Tennessee, estimated payback is 7.3–13.9 years for a 6 kW system, with an average around 9.9 years. Higher electricity rates and sun exposure shorten payback.
How much can I save on electricity in Tennessee?
A 6 kW system in Tennessee may save $860–$1,210 per year on electricity, depending on usage, shading, and net metering. Over 25–30 years, cumulative savings can reach $21,500–$36,300.
Is solar worth it in Tennessee in 2026?
Solar in Tennessee is worth evaluating if you pay 12.5¢/kWh or more, have a south-facing roof with minimal shade, and plan to stay in your home past the payback period (~9.9 years). Use our calculator for a personalized estimate.
Related solar resources
How We Calculate Solar Costs
MySunROI estimates combine NREL residential PV installed-price benchmarks, EIA state electricity rates, and regional labor modifiers — updated 2026-07-07.
Solar cost in Tennessee cities
Estimates for informational purposes only. Last updated 2026-07-07. Estimates based on NREL PV cost benchmarks, EIA electricity rates, and 2026 installer pricing surveys.