Billowatt

Cost to Run a Oil-Filled Radiator Heater in Tennessee

Tennessee's average residential electricity rate is 14.5¢/kWh as of May 2026 — the 12th cheapest in the country, 21% below the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $52.90 per month.

Per hour

$0.22

at 700–1,500 W

Per day

$1.74

8 hours/day

Per month

$52.90

365 kWh

Per year

$635

4,380 kWh

By usage level in Tennessee

Usage Per day Per month Per year
Light (4 hrs/day) $0.87 $26.45 $318
Typical (8 hrs/day) $1.74 $52.90 $635
Heavy (16 hrs/day) $3.48 $106 $1,270

Tennessee vs. the rest of the country

Monthly cost at typical usage.

Tennessee $52.90
South average $60.99
U.S. average $67.12

Frequently asked questions

How much does it cost to run a oil-filled radiator heater in Tennessee?

At Tennessee's current average residential rate of 14.5¢/kWh (May 2026), a oil-filled radiator heater with typical usage costs about $1.74 per day, $52.90 per month, or $635 per year.

Is running a oil-filled radiator heater in Tennessee more expensive than average?

No — it's cheaper. Tennessee's rate is about 21% below the U.S. average: $52.90 per month here versus $67.12 nationally.

What does electricity cost in Tennessee right now?

Tennessee residents pay an average of 14.5¢ per kWh as of May 2026 — the 12th cheapest rate of the 51 U.S. jurisdictions we track.

Oil-Filled Radiator Heater costs in nearby states

What else costs to run in Tennessee

See the full Tennessee electricity cost guide →