Solar Panel Savings in Knoxville, TN
Calculate how much you can save with solar panels in Knoxville, Tennessee. Based on 4.3 peak sun hours/day and 12.0¢/kWh average electricity rate.
4.3
Peak Sun Hours/Day
12.0¢
Avg Rate (¢/kWh)
13 yr
Payback Period
$11k
25-Year Savings
Knoxville Solar Overview
Calculate Your Knoxville Solar Savings
Knoxville average: $161/mo
South-facing roofs produce the most energy
Add $8,000-$12,000 for whole-home battery backup
Annual Production
kWh/year
Annual Savings
per year
Net System Cost
after 30% ITC
Payback Period
break-even time
25-Year Total Savings
$30,879
Monthly Savings
$75
Federal Tax Credit
$5,040
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Knoxville | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $16,800 | $17,100 |
| Federal Tax Credit (30%) | -$5,040 | -$5,130 |
| Net System Cost | $11,760 | $11,970 |
| Cost Per Watt | $2.80/W | $2.85/W |
Solar Potential in Knoxville
Sun Hours vs National Average
Knoxville gets 4% less sun than the national average, but high-efficiency panels compensate.
Climate Advantages
- 205 sunny days per year
- Average temperature: 62.8°F — moderate climate with good solar conditions
- Average roof size: 1,678 sq ft — enough for a 93-panel system
Knoxville Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $16,800 system, that's a $5,040 credit. Valid through 2032.
Tennessee State Incentives
TVA Green Power Providers program; no state tax credit.
Net Metering — Nashville Electric Service
Nashville Electric Service does not currently offer standard net metering in Knoxville. Alternative buyback programs may be available — contact them for details.
Environmental Impact in Knoxville
3.1
Tons CO2 Offset/Year
52
Equivalent Trees Planted
0.7
Homes Worth of Energy
Based on 7,534 kWh annual production with a 6kW system. EPA average: 0.417 metric tons CO2 per MWh, 10,632 kWh per US home.
Solar Energy in Knoxville, Tennessee
Knoxville, Tennessee receives an average of 4.3 peak sun hours per day, offering adequate solar resources for homeowners looking to reduce their electricity bills. With electricity rates averaging 12.0¢ per kWh from Nashville Electric Service, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.
A typical 6kW solar system in Knoxville produces approximately 7,534 kWh per year, saving homeowners an estimated $904 annually. The system pays for itself in about 13.0 years, after which you enjoy essentially free electricity for the remaining 12+ years of the system's warranty life.
Knoxville has a solar penetration rate of 5.4% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 97 (national average: 100) is near the national average.
Other Cities in Tennessee
Frequently Asked Questions
How much do solar panels cost in Knoxville, TN?
The average cost of a 6kW solar panel system in Knoxville is approximately $16,800 before incentives ($2.80/watt). After the 30% federal Investment Tax Credit, the net cost is about $11,760. TVA Green Power Providers program; no state tax credit.
How many peak sun hours does Knoxville get?
Knoxville, TN receives an average of 4.3 peak sun hours per day and approximately 205 sunny days per year. This is near the national average, providing good conditions for residential solar panels.
What is the solar payback period in Knoxville?
The average solar payback period in Knoxville is approximately 13 years. After payback, your solar panels generate essentially free electricity for the remaining 15-20 years of their warranty. Over 25 years, total savings can reach $10,840.
Does Knoxville have net metering?
Knoxville does not currently have standard net metering. However, Nashville Electric Service may offer alternative solar buyback programs. Contact them for current rates and policies.
Is solar worth it in Knoxville, TN?
Yes, solar is a solid investment in Knoxville. While the 13-year payback is moderate, you'll still save $10,840 over 25 years. The 30% federal tax credit and local incentives help make solar financially attractive.