How Much Does Solar Battery Storage Cost in Knoxville, TN?
Knoxville pricing is 15% below the national average. Updated for 2026.
Based on local labor rates, varied climate conditions, and Knoxville's diversified economy.See our methodology
Solar Battery Storage Pricing in Knoxville, TN
Knoxville is one of the more affordable markets for solar battery storage, with costs running about 15% below the national average. The city's diversified economy and balanced labor market create favorable conditions for competitive pricing. Getting multiple quotes from the 190K-population metro area is straightforward.
Local climate plays a direct role in solar battery storage costs here. Extreme heat drives heavy HVAC demand; severe storms create periodic repair surges.
Market-specific factors matter in Knoxville: no state income tax in many Southern states helps keep overall costs lower.
Knoxville has moderate permitting requirements. Depending on the scope of your solar battery storage project, you may need local permits. A licensed contractor will handle the permitting process as part of the job in most cases.
Knoxville vs National Average
What Affects Solar Battery Storage Cost in Knoxville?
Battery
Tesla Powerwall (13.5 kWh): $8,500-$12,500 installed. Enphase IQ (3.4-10.1 kWh): $6,000-$15,000. LG RESU (10-16 kWh): $8,000-$14,000
System size
Single battery: $8,000-$14,000. Dual battery (whole-home backup): $15,000-$25,000. Off-grid system: $20,000-$40,000
Knoxville Market Conditions
no state income tax in many Southern states helps keep overall costs lower
Local Climate Impact
extreme heat drives heavy HVAC demand; severe storms create periodic repair surges
📐 Solar Battery Storage in Knoxville Cost Calculator
Get a personalized estimate based on your project details
Get Free Quotes from Local Pros
Compare prices from top-rated contractors in your area.
Top-Rated Solar Battery Storage Pros in Knoxville, TN
5 providersFirst Choice Home Services
🏆 SPONSOREDServing Knoxville and surrounding areas since 1992. Licensed, insured, and committed to quality workmanship at fair prices.
Reliable Restoration
⭐ PREMIUMServing Knoxville and surrounding areas since 1988. Licensed, insured, and committed to quality workmanship at fair prices.
Reliable Restoration
Are You a Solar Battery Storage Professional?
Get listed on CostWhale and reach thousands of customers searching for solar battery storage in Knoxville, TN.
🔍 Get Free Quotes from Local Pros
Compare prices from pre-screened contractors in your area. Free, no-obligation estimates.
* CostWhale may earn a commission. This doesn't affect our pricing data or recommendations.
Tips to Save on Solar Battery Storage in Knoxville
- 1.The federal ITC tax credit covers 30% of battery costs when paired with solar
- 2.Some utilities offer time-of-use arbitrage programs that help batteries pay for themselves
- 3.Bundle battery with solar installation for lower total cost
- 4.Check state and utility rebates — many offer $2,000-$5,000 for battery storage
📈 Solar Battery Storage in Knoxville Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $8,664 | — |
| 2021 | $9,028 | +4.2% |
| 2022 | $9,615 | +6.5% |
| 2023 | $9,884 | +2.8% |
| 2024 | $10,200 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Solar Battery Storage in Knoxville
Recent Reports
Frequently Asked Questions
How long does a home battery last?
Most home batteries are warrantied for 10 years or 4,000-6,000 cycles. After the warranty period, they typically retain 60-80% of original capacity. Expected lifespan is 10-15 years.
Why does solar battery storage cost different in Knoxville than other cities?
Knoxville's costs reflect local labor rates driven by the diversified economy, varied climate conditions that affect materials and scheduling, and moderate permitting requirements. The balanced labor market also influences competitive pricing.
Solar Battery Storage Cost in Nearby Cities
Related Cost Guides for Knoxville
Popular Services in Knoxville
💰 Get Weekly Cost-Saving Tips
Join 10,000+ smart homeowners. Unsubscribe anytime.