Data through April 2026
Cost to run · Massachusetts · 29.4¢/kWh residential average
How much does it cost to run an electric water heater in Massachusetts?
$319/yr · median certified model
Electricity in Massachusetts is genuinely expensive — 29.4¢/kWh, 56% above the national average — so the median certified electric water heater costs about $319 a year, and efficiency differences between models turn into real money.
Massachusetts sits at rank 47 of 51 — near the very top of the cost table for an electric water heater. Model choice matters as much as geography: at Massachusetts rates the most efficient certified model (Friedrich PROH40 T2 FD400-15) costs $189 a year while the most power-hungry (Smart Solar SSG2-ES 120) costs $513 — a spread of $323 every year. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median electric water heater would cost $134 and $504 a year there.
The cheapest water heaters (electric) to run at Massachusetts rates
| # | Model | kWh/yr | $/yr in MA |
|---|---|---|---|
| 1 | Friedrich PROH40 T2 FD400-15 | 643 | $189 |
| 2 | Rheem PROPH40 T2 RH375-15 | 643 | $189 |
| 3 | Rheem PROPH40 T2 RH400-15 | 643 | $189 |
| 4 | Rheem XE40T10H22U0 | 643 | $189 |
| 5 | Rheem XE40T10H22U1 | 643 | $189 |
| 6 | Richmond 10E40-HP515 | 643 | $189 |
| 7 | Richmond 10E40-HP5U15 | 643 | $189 |
| 8 | Ruud PROUH40 T2 RU375-15 | 643 | $189 |
| 9 | Ruud PROUH40 T2 RU400-15 | 643 | $189 |
| 10 | Eco-Logical OMNI-50HP1-1A | 681 | $201 |
Price any model at Massachusetts rates
Your rate, your numbers
- Per day
- 87¢
- Per month
- $26.55
- Per year
- $319
1,082 kWh/yr × 29.4¢/kWh = $319/yr
Prefilled with the median certified electric water heater (1,082 kWh/yr). Every model page on this site carries its exact certified figure.
Questions, answered with the data
- How much does it cost to run an electric water heater in Massachusetts?
- About $319 a year for the median ENERGY STAR certified electric water heater, at Massachusetts's average residential rate of 29.4¢/kWh — that's $26.55 a month.
- Is electricity expensive in Massachusetts?
- Massachusetts's residential average of 29.4¢/kWh is 56% above the U.S. average of 18.8¢/kWh, ranking 47 of 51 jurisdictions (1 = cheapest).
- What's the cheapest electric water heater to run in Massachusetts?
- Among currently certified models, the Friedrich PROH40 T2 FD400-15 costs the least at about $189 a year at Massachusetts rates (643 kWh/yr).
- How does Massachusetts compare with other states?
- The same median electric water heater costs $134 a year in North Dakota (the cheapest state) and $504 in Hawaii (the priciest). Massachusetts sits at $319.
Keep digging
- All certified water heaters (electric) compared
- Water Heaters (Electric) costs in Rhode Island (rank 45 of 51)
- Water Heaters (Electric) costs in Maine (rank 46 of 51)
- Water Heaters (Electric) costs in New York (rank 48 of 51)
- Water Heaters (Electric) costs in Connecticut (rank 49 of 51)
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Rate source: US EIA, average residential price of electricity, see methodology.