Cost to Run a Reptile Heat Lamp / Terrarium in Delaware
Delaware's average residential electricity rate is 18.5¢/kWh as of July 2026 — the 33rd cheapest in the country, 1% above the U.S. average. At typical usage (12 hours/day), a reptile heat lamp / terrarium here costs $6.75 per month.
Per hour
1.8¢
at 50–250 W
Per day
$0.22
12 hours/day
Per month
$6.75
36 kWh
Per year
$81.03
438 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (6 hrs/day) | $0.11 | $3.37 | $40.52 |
| Typical (12 hrs/day) | $0.22 | $6.75 | $81.03 |
| Heavy (24 hrs/day) | $0.44 | $13.50 | $162 |
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 18.5¢/kWh (July 2026), a reptile heat lamp / terrarium with typical usage costs about $0.22 per day, $6.75 per month, or $81.03 per year.
Is running a reptile heat lamp / terrarium in Delaware more expensive than average?
It's almost exactly the U.S. average: $6.75 per month here versus $6.68 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 18.5¢ per kWh as of July 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.