Cost to Run a Reptile Heat Lamp / Terrarium 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 (12 hours/day), a reptile heat lamp / terrarium here costs $5.29 per month.
Per hour
1.4¢
at 50–250 W
Per day
$0.17
12 hours/day
Per month
$5.29
36 kWh
Per year
$63.51
438 kWh
By usage level in Tennessee
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (6 hrs/day) | 8.7¢ | $2.64 | $31.75 |
| Typical (12 hrs/day) | $0.17 | $5.29 | $63.51 |
| Heavy (24 hrs/day) | $0.35 | $10.58 | $127 |
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 14.5¢/kWh (May 2026), a reptile heat lamp / terrarium with typical usage costs about $0.17 per day, $5.29 per month, or $63.51 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: $5.29 per month here versus $6.71 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.