EV Charger Installation in Tennessee: 68,603 EVs (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–$1,500 for most Tennessee homes.
Most Nashville and Franklin suburb homes have 200A panels. Run a $12.99 load calculation to confirm.
NEC References:
- NEC 220.82
Last updated: March 2026
Tennessee’s EV Market by the Numbers
68,603 EVs are registered in Tennessee as of December 2025 DMV data. Tesla leads with 31,776 (46%), followed by Ford (4,635), Chevrolet (4,198), Jeep (3,478), and BMW (2,663).
Top Tennessee Counties by EV Registration
| County | Major City | EVs |
|---|---|---|
| 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 |
| Montgomery | Clarksville | 1,686 |
| Blount | Maryville | 1,497 |
Source: Tennessee DMV Registration Data, December 2025.
The Nashville metro (Williamson + Davidson + Rutherford + Wilson + Sumner) accounts for 29,642 EVs — 43% of the state total.
Can your panel handle an EV charger?
Find out in minutes with a professional NEC 220.82 load calculation. 80% of homes don't need a panel upgrade — skip the $300 electrician visit.
For full details on Tennessee codes and permits, see our Tennessee EV charger installation requirements page.
Get the Answer for $12.99
ChargeRight’s NEC 220.82 assessment tells you whether your Tennessee home needs a panel upgrade. Start your assessment →
Jason Walls
Master Electrician · IBEW Local 369 · EVITP Certified
NEC 220.82 Specialist · ChargeRight Founder
“I built ChargeRight because I was tired of seeing homeowners pay $3,000–$5,000 for panel upgrades that a $12.99 load calculation would have shown they didn’t need. The math doesn’t lie — and 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–$1,500 for a circuit addition (most homes). Williamson County and Nashville suburbs typically have 200A panels. A $12.99 NEC 220.82 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?
80% of TN homes don't need a panel upgrade. Franklin, Brentwood, and Nashville suburbs have newer 200A panels. Older midtown Nashville or Memphis homes with 100A panels should get a load calculation.