Cost to Run a Tankless Electric Water Heater in North Carolina
North Carolina's average residential electricity rate is 16.3¢/kWh as of April 2026 — the 24th cheapest in the country, 13% below the U.S. average. At typical usage (0.7 hours/day), a tankless electric water heater here costs $62.44 per month.
Per hour
$2.93
at 13,000–27,000 W
Per day
$2.05
0.7 hours/day
Per month
$62.44
383 kWh
Per year
$750
4,599 kWh
By usage level in North Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $1.03 | $31.22 | $375 |
| Typical (0.7 hrs/day) | $2.05 | $62.44 | $750 |
| Heavy (1.4 hrs/day) | $4.11 | $125 | $1,499 |
North Carolina 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 North Carolina?
At North Carolina's current average residential rate of 16.3¢/kWh (April 2026), a tankless electric water heater with typical usage costs about $2.05 per day, $62.44 per month, or $750 per year.
Is running a tankless electric water heater in North Carolina more expensive than average?
No — it's cheaper. North Carolina's rate is about 13% below the U.S. average: $62.44 per month here versus $72.01 nationally.
What does electricity cost in North Carolina right now?
North Carolina residents pay an average of 16.3¢ per kWh as of April 2026 — the 24th cheapest rate of the 51 U.S. jurisdictions we track.