Cost to Run a Reptile Heat Lamp / Terrarium in Arizona
Arizona's average residential electricity rate is 15.2¢/kWh as of May 2026 — the 19th cheapest in the country, 17% below the U.S. average. At typical usage (12 hours/day), a reptile heat lamp / terrarium here costs $5.54 per month.
Per hour
1.5¢
at 50–250 W
Per day
$0.18
12 hours/day
Per month
$5.54
36 kWh
Per year
$66.58
438 kWh
By usage level in Arizona
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (6 hrs/day) | 9.1¢ | $2.77 | $33.29 |
| Typical (12 hrs/day) | $0.18 | $5.54 | $66.58 |
| Heavy (24 hrs/day) | $0.36 | $11.09 | $133 |
Arizona 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 Arizona?
At Arizona's current average residential rate of 15.2¢/kWh (May 2026), a reptile heat lamp / terrarium with typical usage costs about $0.18 per day, $5.54 per month, or $66.58 per year.
Is running a reptile heat lamp / terrarium in Arizona more expensive than average?
No — it's cheaper. Arizona's rate is about 17% below the U.S. average: $5.54 per month here versus $6.71 nationally.
What does electricity cost in Arizona right now?
Arizona residents pay an average of 15.2¢ per kWh as of May 2026 — the 19th cheapest rate of the 51 U.S. jurisdictions we track.