Is electricity expensive in New Jersey?

New Jersey's residential average of 23.5¢/kWh is 25% above the U.S. average of 18.8¢/kWh, ranking 40 of 51 jurisdictions (1 = cheapest).

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

Among currently certified models, the Friedrich PROH40 T2 FD400-15 costs the least at about $151 a year at New Jersey rates (643 kWh/yr).

How does New Jersey 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). New Jersey sits at $255.

Data through April 2026

Cost to run · New Jersey · 23.5¢/kWh residential average

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

$255/yr · median certified model

New Jersey pays 23.5¢/kWh for residential power — 25% above the national average — lifting the median certified electric water heater to about $255 a year, versus $204 nationally.

In the national ranking, New Jersey lands at 40 of 51 for what an electric water heater costs to run. Model choice matters as much as geography: at New Jersey rates the most efficient certified model (Friedrich PROH40 T2 FD400-15) costs $151 a year while the most power-hungry (Smart Solar SSG2-ES 120) costs $410 — a spread of $258 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.

New Jersey

$255

US average

$204

North Dakota

$134

Hawaii

$504

Median certified electric water heater (1,082 kWh/yr) per year, at each rate

The cheapest water heaters (electric) to run at New Jersey rates

Top 10 by certified kWh, priced at 23.5¢/kWh
#	Model	kWh/yr	$/yr in NJ
1	Friedrich PROH40 T2 FD400-15	643	$151
2	Rheem PROPH40 T2 RH375-15	643	$151
3	Rheem PROPH40 T2 RH400-15	643	$151
4	Rheem XE40T10H22U0	643	$151
5	Rheem XE40T10H22U1	643	$151
6	Richmond 10E40-HP515	643	$151
7	Richmond 10E40-HP5U15	643	$151
8	Ruud PROUH40 T2 RU375-15	643	$151
9	Ruud PROUH40 T2 RU400-15	643	$151
10	Eco-Logical OMNI-50HP1-1A	681	$160

Price any model at New Jersey rates

Your rate, your numbers

Annual use (kWh)

Electricity rate

Per day: 70¢
Per month: $21.22
Per year: $255

1,082 kWh/yr × 23.5¢/kWh = $255/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 New Jersey?: About $255 a year for the median ENERGY STAR certified electric water heater, at New Jersey's average residential rate of 23.5¢/kWh — that's $21.22 a month.
Is electricity expensive in New Jersey?: New Jersey's residential average of 23.5¢/kWh is 25% above the U.S. average of 18.8¢/kWh, ranking 40 of 51 jurisdictions (1 = cheapest).
What's the cheapest electric water heater to run in New Jersey?: Among currently certified models, the Friedrich PROH40 T2 FD400-15 costs the least at about $151 a year at New Jersey rates (643 kWh/yr).
How does New Jersey 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). New Jersey sits at $255.

Keep digging

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