Cost to Run a Tankless Electric Water Heater in New Jersey
New Jersey's average residential electricity rate is 25.2¢/kWh as of July 2026 — the 43rd cheapest in the country, 38% above the U.S. average. At typical usage (0.7 hours/day), a tankless electric water heater here costs $96.53 per month.
Per hour
$4.54
at 13,000–27,000 W
Per day
$3.18
0.7 hours/day
Per month
$96.53
383 kWh
Per year
$1,159
4,599 kWh
By usage level in New Jersey
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $1.59 | $48.26 | $579 |
| Typical (0.7 hrs/day) | $3.18 | $96.53 | $1,159 |
| Heavy (1.4 hrs/day) | $6.35 | $193 | $2,318 |
New Jersey vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a tankless electric water heater in New Jersey?
At New Jersey's current average residential rate of 25.2¢/kWh (July 2026), a tankless electric water heater with typical usage costs about $3.18 per day, $96.53 per month, or $1,159 per year.
Is running a tankless electric water heater in New Jersey more expensive than average?
Yes. New Jersey's electricity costs about 38% more than the U.S. average, so the same usage costs $96.53 per month here versus $70.10 nationally.
What does electricity cost in New Jersey right now?
New Jersey residents pay an average of 25.2¢ per kWh as of July 2026 — the 43rd cheapest rate of the 51 U.S. jurisdictions we track.