Cost to Run a Pool Heater (Heat Pump) 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 (4 hours/day), a pool heater (heat pump) here costs $130 per month.
Per hour
$1.07
at 4,000–11,000 W
Per day
$4.28
4 hours/day
Per month
$130
608 kWh
Per year
$1,562
7,300 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2 hrs/day) | $2.14 | $65.06 | $781 |
| Typical (4 hrs/day) | $4.28 | $130 | $1,562 |
| Heavy (8 hrs/day) | $8.56 | $260 | $3,124 |
Maryland vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a pool heater (heat pump) in Maryland?
At Maryland's current average residential rate of 21.4¢/kWh (July 2026), a pool heater (heat pump) with typical usage costs about $4.28 per day, $130 per month, or $1,562 per year.
Is running a pool heater (heat pump) in Maryland more expensive than average?
Yes. Maryland's electricity costs about 17% more than the U.S. average, so the same usage costs $130 per month here versus $111 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.