Cost to Run a Pool Heater (Heat Pump) in Maryland
Maryland's average residential electricity rate is 21.8¢/kWh as of May 2026 — the 37th cheapest in the country, 18% above the U.S. average. At typical usage (4 hours/day), a pool heater (heat pump) here costs $133 per month.
Per hour
$1.09
at 4,000–11,000 W
Per day
$4.36
4 hours/day
Per month
$133
608 kWh
Per year
$1,591
7,300 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2 hrs/day) | $2.18 | $66.27 | $796 |
| Typical (4 hrs/day) | $4.36 | $133 | $1,591 |
| Heavy (8 hrs/day) | $8.72 | $265 | $3,183 |
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 21.8¢/kWh (May 2026), a pool heater (heat pump) with typical usage costs about $4.36 per day, $133 per month, or $1,591 per year.
Is running a pool heater (heat pump) in Maryland more expensive than average?
Yes. Maryland's electricity costs about 18% more than the U.S. average, so the same usage costs $133 per month here versus $112 nationally.
What does electricity cost in Maryland right now?
Maryland residents pay an average of 21.8¢ per kWh as of May 2026 — the 37th cheapest rate of the 51 U.S. jurisdictions we track.