Is electricity expensive in Massachusetts?

Massachusetts's residential average of 29.6¢/kWh is 61% above the U.S. average of 18.3¢/kWh, ranking 49 of 51 jurisdictions (1 = cheapest).

What's the cheapest electric water heater to run in Massachusetts?

Among currently certified models, the Eco-Logical OMNI-50HP1-1A costs the least at about $202 a year at Massachusetts rates (681 kWh/yr).

How does Massachusetts compare with other states?

The same median electric water heater costs $159 a year in Nevada (the cheapest state) and $638 in Hawaii (the priciest). Massachusetts sits at $358.

Data through June 2026

Cost to run · Massachusetts · 29.6¢/kWh residential average

How much does it cost to run an electric water heater in Massachusetts?

$358/yr · median certified model

Electricity in Massachusetts is genuinely expensive — 29.6¢/kWh, 61% above the national average — so the median certified electric water heater costs about $358 a year, and efficiency differences between models turn into real money.

Massachusetts sits at rank 49 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 (Eco-Logical OMNI-50HP1-1A) costs $202 a year while the most power-hungry (Smart Solar SSG2-ES 120) costs $516 — a spread of $314 every year. For reference, the national extremes are Nevada (13.1¢/kWh) and Hawaii (52.7¢/kWh); the same median electric water heater would cost $159 and $638 a year there.

Massachusetts

$358

US average

$222

Nevada

$159

Hawaii

$638

Median certified electric water heater (1,210 kWh/yr) per year, at each rate

The cheapest water heaters (electric) to run at Massachusetts rates

Top 10 by certified kWh, priced at 29.6¢/kWh
#	Model	kWh/yr	$/yr in MA
1	Eco-Logical OMNI-50HP1-1A	681	$202
2	GE Profile PF40S10FPY01	724	$214
3	Eco-Logical OMNI-50HP2-1A	769	$228
4	GE Profile PH40S10BPY01	773	$229
5	Friedrich PROH40 T0 FD120-M	780	$231
6	Friedrich PROH40 T0 FD120-MSO	780	$231
7	Rheem PROPH40 T0 RH120-M	780	$231
8	Rheem PROPH40 T0 RH120-MSO	780	$231
9	Rheem XE40T10HM00U0	780	$231
10	Rheem XE40T10HMS00U0	780	$231

Price any model at Massachusetts rates

Your rate, your numbers

Annual use (kWh)

Electricity rate

Per day: 98¢
Per month: $29.86
Per year: $358

1,210 kWh/yr × 29.6¢/kWh = $358/yr

Prefilled with the median certified electric water heater (1,210 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 $358 a year for the median ENERGY STAR certified electric water heater, at Massachusetts's average residential rate of 29.6¢/kWh — that's $29.86 a month.
Is electricity expensive in Massachusetts?: Massachusetts's residential average of 29.6¢/kWh is 61% above the U.S. average of 18.3¢/kWh, ranking 49 of 51 jurisdictions (1 = cheapest).
What's the cheapest electric water heater to run in Massachusetts?: Among currently certified models, the Eco-Logical OMNI-50HP1-1A costs the least at about $202 a year at Massachusetts rates (681 kWh/yr).
How does Massachusetts compare with other states?: The same median electric water heater costs $159 a year in Nevada (the cheapest state) and $638 in Hawaii (the priciest). Massachusetts sits at $358.

Keep digging

Rate source: US EIA, average residential price of electricity, see methodology.