Cost to Run a Heat Pump Water Heater 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 (3 hours/day), a heat pump water heater here costs $19.88 per month.
Per hour
$0.22
at 400–1,500 W
Per day
$0.65
3 hours/day
Per month
$19.88
91 kWh
Per year
$239
1,095 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $0.33 | $9.94 | $119 |
| Typical (3 hrs/day) | $0.65 | $19.88 | $239 |
| Heavy (6 hrs/day) | $1.31 | $39.76 | $477 |
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 21.8¢/kWh (May 2026), a heat pump water heater with typical usage costs about $0.65 per day, $19.88 per month, or $239 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 $19.88 per month here versus $16.78 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.