Cost to Run a Heat Pump 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 (3 hours/day), a heat pump water heater here costs $24.90 per month.
Per hour
$0.27
at 400–1,500 W
Per day
$0.82
3 hours/day
Per month
$24.90
91 kWh
Per year
$299
1,095 kWh
By usage level in New Hampshire
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $0.41 | $12.45 | $149 |
| Typical (3 hrs/day) | $0.82 | $24.90 | $299 |
| Heavy (6 hrs/day) | $1.64 | $49.80 | $598 |
New Hampshire vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a heat pump water heater in New Hampshire?
At New Hampshire's current average residential rate of 27.3¢/kWh (May 2026), a heat pump water heater with typical usage costs about $0.82 per day, $24.90 per month, or $299 per year.
Is running a heat pump 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 $24.90 per month here versus $16.78 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.