Cost to Run a Electric Water Heater in Massachusetts
Massachusetts's average residential electricity rate is 30.5¢/kWh as of July 2026 — the 48th cheapest in the country, 67% above the U.S. average. At typical usage (2.9 hours/day), a electric water heater here costs $121 per month.
Per hour
$1.37
at 3,500–5,500 W
Per day
$3.98
2.9 hours/day
Per month
$121
397 kWh
Per year
$1,453
4,763 kWh
By usage level in Massachusetts
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.45 hrs/day) | $1.99 | $60.50 | $726 |
| Typical (2.9 hrs/day) | $3.98 | $121 | $1,453 |
| Heavy (5.8 hrs/day) | $7.96 | $242 | $2,906 |
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 30.5¢/kWh (July 2026), a electric water heater with typical usage costs about $3.98 per day, $121 per month, or $1,453 per year.
Is running a electric water heater in Massachusetts more expensive than average?
Yes. Massachusetts's electricity costs about 67% more than the U.S. average, so the same usage costs $121 per month here versus $72.60 nationally.
What does electricity cost in Massachusetts right now?
Massachusetts residents pay an average of 30.5¢ per kWh as of July 2026 — the 48th cheapest rate of the 51 U.S. jurisdictions we track.