Cost to Run a Tankless Electric Water Heater in North Dakota
North Dakota's average residential electricity rate is 12.4¢/kWh as of April 2026 — the 1st cheapest in the country, 34% below the U.S. average. At typical usage (0.7 hours/day), a tankless electric water heater here costs $47.50 per month.
Per hour
$2.23
at 13,000–27,000 W
Per day
$1.56
0.7 hours/day
Per month
$47.50
383 kWh
Per year
$570
4,599 kWh
By usage level in North Dakota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $0.78 | $23.75 | $285 |
| Typical (0.7 hrs/day) | $1.56 | $47.50 | $570 |
| Heavy (1.4 hrs/day) | $3.12 | $94.99 | $1,141 |
North Dakota 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 Dakota?
At North Dakota's current average residential rate of 12.4¢/kWh (April 2026), a tankless electric water heater with typical usage costs about $1.56 per day, $47.50 per month, or $570 per year.
Is running a tankless electric water heater in North Dakota more expensive than average?
No — it's cheaper. North Dakota's rate is about 34% below the U.S. average: $47.50 per month here versus $72.01 nationally.
What does electricity cost in North Dakota right now?
North Dakota residents pay an average of 12.4¢ per kWh as of April 2026 — the 1st cheapest rate of the 51 U.S. jurisdictions we track.