KnoxvilleSolar Incentives 2026: Rebates, Tax Credits & Net Metering
Knoxville homeowners installing in 2026 cannot claim the federal residential credit. What remains is KUB (TVA) solar buyback. At 4.5 peak sun hours a day, a home with a $130/month bill (about 929 kWh) needs roughly a 8.6 kW system — 22 panels — and pays back in about 13.3 years.
Solar Incentives Available in Knoxville
The federal residential credit does not apply to a Knoxville system installed in 2026. Tennessee does not add a state income tax credit in this dataset. KUB (TVA) sets the local rules for crediting the solar power you export.
KUB delivers TVA power in Knoxville; TVA's lack of retail net metering makes self-consumption and batteries key.
How Much Solar Knoxville Homes Produce
Knoxville gets 4.5 peak sun hours a day, so each 1 kW of panels produces about 1,314 kWh per year here. A 8.6 kW system — the size that fits a typical $130/month KUB (TVA) bill — generates roughly 11,300 kWh annually, worth about $1,582 in avoided electricity in year one and more as rates rise.
KUB (TVA) Net Metering in Knoxville
Tennessee has no statewide retail net metering mandate, so KUB (TVA) buys back exported solar at a reduced rate (~25–50% of retail). In Knoxville, that often makes a battery worthwhile — storing your own production beats exporting it cheaply. See full Tennessee net metering rules →
How Much Do Solar Panels Cost in Knoxville?
At Tennessee's 2026 average of $2.85/watt, the 8.6 kW system most Knoxville homes need runs about $24,510 before incentives. The federal residential credit is $0. Net cost in this model is about $24,510, with payback around 13.3 years. Those figures use $0 federal credit.
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Frequently Asked Questions
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See your exact Knoxville solar savings
Enter your KUB (TVA) bill. The calculator uses $0 federal credit plus Tennessee incentives — system size, net cost, payback, and 25-year savings.