Cost to Run a Reptile Heat Lamp / Terrarium in Tennessee
Tennessee's average residential electricity rate is 14.9¢/kWh as of April 2026 — the 15th cheapest in the country, 21% below the U.S. average. At typical usage (12 hours/day), a reptile heat lamp / terrarium here costs $5.44 per month.
Per hour
1.5¢
at 50–250 W
Per day
$0.18
12 hours/day
Per month
$5.44
36 kWh
Per year
$65.26
438 kWh
By usage level in Tennessee
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (6 hrs/day) | 8.9¢ | $2.72 | $32.63 |
| Typical (12 hrs/day) | $0.18 | $5.44 | $65.26 |
| Heavy (24 hrs/day) | $0.36 | $10.87 | $131 |
Tennessee vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a reptile heat lamp / terrarium in Tennessee?
At Tennessee's current average residential rate of 14.9¢/kWh (April 2026), a reptile heat lamp / terrarium with typical usage costs about $0.18 per day, $5.44 per month, or $65.26 per year.
Is running a reptile heat lamp / terrarium in Tennessee more expensive than average?
No — it's cheaper. Tennessee's rate is about 21% below the U.S. average: $5.44 per month here versus $6.86 nationally.
What does electricity cost in Tennessee right now?
Tennessee residents pay an average of 14.9¢ per kWh as of April 2026 — the 15th cheapest rate of the 51 U.S. jurisdictions we track.