Cost to Run a Tankless Electric Water Heater in Minnesota
Minnesota's average residential electricity rate is 17.5¢/kWh as of July 2026 — the 31st cheapest in the country, 4% below the U.S. average. At typical usage (0.7 hours/day), a tankless electric water heater here costs $67.03 per month.
Per hour
$3.15
at 13,000–27,000 W
Per day
$2.20
0.7 hours/day
Per month
$67.03
383 kWh
Per year
$805
4,599 kWh
By usage level in Minnesota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (0.5 hrs/day) | $1.10 | $33.52 | $402 |
| Typical (0.7 hrs/day) | $2.20 | $67.03 | $805 |
| Heavy (1.4 hrs/day) | $4.41 | $134 | $1,610 |
Minnesota 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 Minnesota?
At Minnesota's current average residential rate of 17.5¢/kWh (July 2026), a tankless electric water heater with typical usage costs about $2.20 per day, $67.03 per month, or $805 per year.
Is running a tankless electric water heater in Minnesota more expensive than average?
No — it's cheaper. Minnesota's rate is about 4% below the U.S. average: $67.03 per month here versus $70.10 nationally.
What does electricity cost in Minnesota right now?
Minnesota residents pay an average of 17.5¢ per kWh as of July 2026 — the 31st cheapest rate of the 51 U.S. jurisdictions we track.