Cost to Run a Electric Water Heater in Massachusetts
Massachusetts's average residential electricity rate is 28.8¢/kWh as of May 2026 — the 47th cheapest in the country, 57% above the U.S. average. At typical usage (2.9 hours/day), a electric water heater here costs $114 per month.
Per hour
$1.30
at 3,500–5,500 W
Per day
$3.76
2.9 hours/day
Per month
$114
397 kWh
Per year
$1,372
4,763 kWh
By usage level in Massachusetts
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $1.88 | $57.13 | $686 |
| Typical (2.9 hrs/day) | $3.76 | $114 | $1,372 |
| Heavy (5.8 hrs/day) | $7.52 | $229 | $2,744 |
Massachusetts 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 Massachusetts?
At Massachusetts's current average residential rate of 28.8¢/kWh (May 2026), a electric water heater with typical usage costs about $3.76 per day, $114 per month, or $1,372 per year.
Is running a electric water heater in Massachusetts more expensive than average?
Yes. Massachusetts's electricity costs about 57% more than the U.S. average, so the same usage costs $114 per month here versus $73.00 nationally.
What does electricity cost in Massachusetts right now?
Massachusetts residents pay an average of 28.8¢ per kWh as of May 2026 — the 47th cheapest rate of the 51 U.S. jurisdictions we track.