EV Charger Installation in Tennessee: Cost, Panels and EV Counts (2026 Guide)
Tennessee has 68,603 registered EVs across Nashville, Memphis, Knoxville, and Chattanooga. Williamson County (Franklin) leads.
How much does EV charger installation cost in Tennessee?
$500 to $1,500 for most Tennessee homes.
Most Nashville and Franklin suburb homes have 200A panels. Run a $49.99 load calculation to confirm.
NEC References:
- NEC 220.83(A)
- NEC 220.82
Last updated: October 2026
How many EVs are registered in Tennessee
68,603 plug-in vehicles were registered in Tennessee at the December 31, 2025 snapshot (53,081 battery-electric, 15,522 plug-in hybrid), from Tennessee registration data compiled by Atlas EV Hub. Source: Atlas EV Hub, Tennessee registration data.
| County | Vehicles |
|---|---|
| Williamson (Franklin, Brentwood) | 11,157 |
| Davidson (Nashville) | 10,831 |
| Knox (Knoxville) | 8,351 |
| Shelby (Memphis) | 7,692 |
| Hamilton (Chattanooga) | 4,662 |
| Rutherford (Murfreesboro) | 3,396 |
| Wilson (Mt. Juliet, Lebanon) | 2,249 |
| Sumner (Gallatin, Hendersonville) | 2,009 |
Counts checked October 10, 2026. A registration count says where chargers are going in, not whether your panel can carry one; that takes a load calculation.
Can your panel handle an EV charger?
Find out in minutes with a professional NEC Article 220 load calculation. J.D. Power found only 28% of EV owners needed one — even though 65% were told they did (ESFI). Skip the $300 electrician visit.
For full details on Tennessee codes and permits, see the Tennessee EV charger installation requirements page.
Get the Answer for $49.99
ChargeRight's NEC Article 220 assessment tells you whether your Tennessee home needs a panel upgrade. Start your assessment →
Jason Walls
Electrician · EVITP Certified · KY Electrical License EE642643
NEC Article 220 Specialist · ChargeRight Founder
"I built ChargeRight because I was tired of seeing homeowners pay $2,000 to $4,500 for panel upgrades that a $49.99 load calculation would have shown they didn't need. The math doesn't lie. Every homeowner deserves to see it before they write a check."
Frequently Asked Questions
How much does EV charger installation cost in Tennessee?
EV charger installation in Tennessee costs $500 to $1,500 for a circuit addition (most homes). Williamson County and Nashville suburbs typically have 200A panels. A $49.99 NEC Article 220 load calculation tells you which tier your home needs.
Which Tennessee areas have the most EVs?
Williamson County (Franklin/Brentwood) leads with 11,157 EVs, Davidson County (Nashville) has 10,831, Knox County (Knoxville) has 8,351, Shelby County (Memphis) has 7,692, and Hamilton County (Chattanooga) has 4,662.
Do I need a panel upgrade in Tennessee?
Most TN homes with 200-amp service clear a NEC Article 220 load calculation without a panel upgrade — J.D. Power found only 28% of EV owners needed panel-specific work, even though ESFI found 65% were told they did. Franklin, Brentwood, and Nashville suburbs have newer 200A panels. Older midtown Nashville or Memphis homes with 100A panels should get a load calculation.