Cost to Run a Heat Pump Water Heater in New Jersey
New Jersey's average residential electricity rate is 23.5¢/kWh as of April 2026 — the 40th cheapest in the country, 25% above the U.S. average. At typical usage (3 hours/day), a heat pump water heater here costs $21.43 per month.
Per hour
$0.23
at 400–1,500 W
Per day
$0.70
3 hours/day
Per month
$21.43
91 kWh
Per year
$257
1,095 kWh
By usage level in New Jersey
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $0.35 | $10.72 | $129 |
| Typical (3 hrs/day) | $0.70 | $21.43 | $257 |
| Heavy (6 hrs/day) | $1.41 | $42.86 | $515 |
New Jersey 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 New Jersey?
At New Jersey's current average residential rate of 23.5¢/kWh (April 2026), a heat pump water heater with typical usage costs about $0.70 per day, $21.43 per month, or $257 per year.
Is running a heat pump water heater in New Jersey more expensive than average?
Yes. New Jersey's electricity costs about 25% more than the U.S. average, so the same usage costs $21.43 per month here versus $17.15 nationally.
What does electricity cost in New Jersey right now?
New Jersey residents pay an average of 23.5¢ per kWh as of April 2026 — the 40th cheapest rate of the 51 U.S. jurisdictions we track.