Cost to Run a Electric Water Heater in New Hampshire
New Hampshire's average residential electricity rate is 26.6¢/kWh as of July 2026 — the 44th cheapest in the country, 45% above the U.S. average. At typical usage (2.9 hours/day), a electric water heater here costs $106 per month.
Per hour
$1.20
at 3,500–5,500 W
Per day
$3.47
2.9 hours/day
Per month
$106
397 kWh
Per year
$1,267
4,763 kWh
By usage level in New Hampshire
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $1.74 | $52.76 | $634 |
| Typical (2.9 hrs/day) | $3.47 | $106 | $1,267 |
| Heavy (5.8 hrs/day) | $6.94 | $211 | $2,534 |
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 26.6¢/kWh (July 2026), a electric water heater with typical usage costs about $3.47 per day, $106 per month, or $1,267 per year.
Is running a electric water heater in New Hampshire more expensive than average?
Yes. New Hampshire's electricity costs about 45% more than the U.S. average, so the same usage costs $106 per month here versus $72.60 nationally.
What does electricity cost in New Hampshire right now?
New Hampshire residents pay an average of 26.6¢ per kWh as of July 2026 — the 44th cheapest rate of the 51 U.S. jurisdictions we track.