Cost to Run a Reptile Heat Lamp / Terrarium in Delaware
Delaware's average residential electricity rate is 19.4¢/kWh as of May 2026 — the 33rd cheapest in the country, 5% above the U.S. average. At typical usage (12 hours/day), a reptile heat lamp / terrarium here costs $7.08 per month.
Per hour
1.9¢
at 50–250 W
Per day
$0.23
12 hours/day
Per month
$7.08
36 kWh
Per year
$84.97
438 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (6 hrs/day) | $0.12 | $3.54 | $42.49 |
| Typical (12 hrs/day) | $0.23 | $7.08 | $84.97 |
| Heavy (24 hrs/day) | $0.47 | $14.15 | $170 |
Delaware 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 Delaware?
At Delaware's current average residential rate of 19.4¢/kWh (May 2026), a reptile heat lamp / terrarium with typical usage costs about $0.23 per day, $7.08 per month, or $84.97 per year.
Is running a reptile heat lamp / terrarium in Delaware more expensive than average?
Yes. Delaware's electricity costs about 5% more than the U.S. average, so the same usage costs $7.08 per month here versus $6.71 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 19.4¢ per kWh as of May 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.