Cost to Run a Electric Water Heater in New Hampshire
New Hampshire's average residential electricity rate is 27.3¢/kWh as of May 2026 — the 43rd cheapest in the country, 48% above the U.S. average. At typical usage (2.9 hours/day), a electric water heater here costs $108 per month.
Per hour
$1.23
at 3,500–5,500 W
Per day
$3.56
2.9 hours/day
Per month
$108
397 kWh
Per year
$1,300
4,763 kWh
By usage level in New Hampshire
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $1.78 | $54.15 | $650 |
| Typical (2.9 hrs/day) | $3.56 | $108 | $1,300 |
| Heavy (5.8 hrs/day) | $7.13 | $217 | $2,601 |
New Hampshire vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a electric water heater in New Hampshire?
At New Hampshire's current average residential rate of 27.3¢/kWh (May 2026), a electric water heater with typical usage costs about $3.56 per day, $108 per month, or $1,300 per year.
Is running a electric water heater in New Hampshire more expensive than average?
Yes. New Hampshire's electricity costs about 48% more than the U.S. average, so the same usage costs $108 per month here versus $73.00 nationally.
What does electricity cost in New Hampshire right now?
New Hampshire residents pay an average of 27.3¢ per kWh as of May 2026 — the 43rd cheapest rate of the 51 U.S. jurisdictions we track.