Cost to Run a Reptile Heat Lamp / Terrarium in Maryland
Maryland's average residential electricity rate is 21.4¢/kWh as of July 2026 — the 37th cheapest in the country, 17% above the U.S. average. At typical usage (12 hours/day), a reptile heat lamp / terrarium here costs $7.81 per month.
Per hour
2.1¢
at 50–250 W
Per day
$0.26
12 hours/day
Per month
$7.81
36 kWh
Per year
$93.73
438 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (6 hrs/day) | $0.13 | $3.90 | $46.87 |
| Typical (12 hrs/day) | $0.26 | $7.81 | $93.73 |
| Heavy (24 hrs/day) | $0.51 | $15.61 | $187 |
Maryland 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 Maryland?
At Maryland's current average residential rate of 21.4¢/kWh (July 2026), a reptile heat lamp / terrarium with typical usage costs about $0.26 per day, $7.81 per month, or $93.73 per year.
Is running a reptile heat lamp / terrarium in Maryland more expensive than average?
Yes. Maryland's electricity costs about 17% more than the U.S. average, so the same usage costs $7.81 per month here versus $6.68 nationally.
What does electricity cost in Maryland right now?
Maryland residents pay an average of 21.4¢ per kWh as of July 2026 — the 37th cheapest rate of the 51 U.S. jurisdictions we track.