Tennessee / Alcoa
Is solar worth it in Alcoa?
Maryville Utilities averages 11.3¢/kWh. With 4.6 peak sun hours a day, a typical 7.6 kW system makes ~10,298 kWh a year and saves about $1,162 in year one.
No federal tax credit is included. The 30% homeowner credit (IRS §25D) ended for systems installed after Dec 31, 2025. What changed in 2026 →
How Alcoa compares
That is slower than the Tennessee average of 13.2 years, mainly because Alcoa's rate is below the state average of 12.5¢/kWh. Your own payback depends on your bill: enter your ZIP and monthly bill above for your number.
| Nearby city | Rate | Payback | 25-yr net |
|---|---|---|---|
| Maryville | 11.3¢ | 14.6 yrs | $21,466 |
| Knoxville | 12.5¢ | 13.4 yrs | $26,198 |
| Farragut | 12.5¢ | 13.4 yrs | $26,198 |
| Lenoir | 12.5¢ | 13.4 yrs | $26,198 |
| Oak Ridge | 12.5¢ | 13.4 yrs | $26,198 |
| Clinton | 12.5¢ | 13.4 yrs | $26,198 |
| Sevierville | 12.5¢ | 13.4 yrs | $26,198 |
| Athens | 12.2¢ | 13.7 yrs | $24,884 |
Questions
How long does solar take to pay off in Alcoa, TN?
About 14.6 years for a typical 7.6 kW system at 11.3 cents/kWh, assuming $2.75/W installed, full net metering and 3% yearly rate increases, with no federal tax credit.
Is solar worth it in Alcoa?
Only in some cases; payback is long. Our estimate is $1,162 saved in year one and $21,466 net over 25 years after paying for the system.
How much does a solar system cost in Alcoa?
A 7.6 kW system sized for an average home (863 kWh/month) is about $20,900 before any local rebates, at $2.75 per watt. Real quotes vary by roof and installer.
Is there a federal solar tax credit in 2026?
Not for homeowners who buy their system. The 30% Residential Clean Energy Credit (IRS section 25D) does not apply to installations completed after December 31, 2025. State rebates, SRECs and utility incentives may still apply.
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