State data

Tennessee EV charging vs. gas costs

Tennessee's average residential electricity rate is 14.94¢/kWh,below the national average by 21%. Gasoline averages $3.38/gallon, below the national average by 11%. That ranks Tennessee #15 of 51 for cheapest electricity and #5 for cheapest gas.

Source: U.S. Energy Information Administration (EIA), Electric Power Monthly Table 5.6.A, average residential price (April 2026); AAA Daily Fuel Gauge Report, state average regular gasoline price (July 7, 2026). Data last updated: 2026-07-07.
Electricity rate
14.94¢/kWh
Gasoline price
$3.38/gal
Est. annual EV savings
$936

Cost per mile in Tennessee

Charging an EV at 3.5 mi/kWh on Tennessee's 14.94¢/kWh residential rate works out to about 4.3¢ per mile. A gas car at 28 MPG paying $3.38/gallon pays about 12.1¢ per mile — roughly 2.8× as much per mile driven.

Example: 12,000 miles a year in Tennessee

A gas car at 28 MPG driving 12,000 miles a year in Tennessee spends about $1,449 on gasoline. An EV at 3.5 mi/kWh charging at home over the same distance spends about $512 on electricity — a difference of $936 a year, or about $4,682 over five years.

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Frequently asked questions

Is it cheaper to drive an EV or a gas car in Tennessee?

In Tennessee, an EV charging at home costs about 4.3¢ per mile, versus about 12.1¢ per mile for a 28 MPG gas car at the state's $3.38/gallon average. The EV is cheaper to fuel per mile.

How much can an EV save per year in Tennessee?

Driving 12,000 miles a year, an EV owner in Tennessee spends about $512 on home charging versus $1,449 on gasoline — a saving of roughly $936 per year, or $4,682 over five years.

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