Cost to Run a Heat Pump Water Heater in Maryland
Maryland's average residential electricity rate is 22.1¢/kWh as of April 2026 — the 39th cheapest in the country, 18% above the U.S. average. At typical usage (3 hours/day), a heat pump water heater here costs $20.16 per month.
Per hour
$0.22
at 400–1,500 W
Per day
$0.66
3 hours/day
Per month
$20.16
91 kWh
Per year
$242
1,095 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $0.33 | $10.08 | $121 |
| Typical (3 hrs/day) | $0.66 | $20.16 | $242 |
| Heavy (6 hrs/day) | $1.33 | $40.31 | $484 |
Maryland vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a heat pump water heater in Maryland?
At Maryland's current average residential rate of 22.1¢/kWh (April 2026), a heat pump water heater with typical usage costs about $0.66 per day, $20.16 per month, or $242 per year.
Is running a heat pump water heater in Maryland more expensive than average?
Yes. Maryland's electricity costs about 18% more than the U.S. average, so the same usage costs $20.16 per month here versus $17.15 nationally.
What does electricity cost in Maryland right now?
Maryland residents pay an average of 22.1¢ per kWh as of April 2026 — the 39th cheapest rate of the 51 U.S. jurisdictions we track.