Is electricity expensive in Arizona?

Arizona's residential average of 15.2¢/kWh is 17% below the U.S. average of 18.3¢/kWh, ranking 17 of 51 jurisdictions (1 = cheapest).

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

Among currently certified models, the Eco-Logical OMNI-50HP1-1A costs the least at about $103 a year at Arizona rates (681 kWh/yr).

How does Arizona 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). Arizona sits at $184.

Data through June 2026

Cost to run · Arizona · 15.2¢/kWh residential average

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

$184/yr · median certified model

Residential electricity in Arizona runs 15.2¢/kWh — 17% under the U.S. average — putting the median certified electric water heater at about $184 a year, versus $222 nationally.

In the national ranking, Arizona lands at 17 of 51 for what an electric water heater costs to run. Model choice matters as much as geography: at Arizona rates the most efficient certified model (Eco-Logical OMNI-50HP1-1A) costs $103 a year while the most power-hungry (Smart Solar SSG2-ES 120) costs $264 — a spread of $161 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.

Arizona

$184

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 Arizona rates

Top 10 by certified kWh, priced at 15.2¢/kWh
#	Model	kWh/yr	$/yr in AZ
1	Eco-Logical OMNI-50HP1-1A	681	$103
2	GE Profile PF40S10FPY01	724	$110
3	Eco-Logical OMNI-50HP2-1A	769	$117
4	GE Profile PH40S10BPY01	773	$117
5	Friedrich PROH40 T0 FD120-M	780	$118
6	Friedrich PROH40 T0 FD120-MSO	780	$118
7	Rheem PROPH40 T0 RH120-M	780	$118
8	Rheem PROPH40 T0 RH120-MSO	780	$118
9	Rheem XE40T10HM00U0	780	$118
10	Rheem XE40T10HMS00U0	780	$118

Price any model at Arizona rates

Your rate, your numbers

Annual use (kWh)

Electricity rate

Per day: 50¢
Per month: $15.31
Per year: $184

1,210 kWh/yr × 15.2¢/kWh = $184/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 Arizona?: About $184 a year for the median ENERGY STAR certified electric water heater, at Arizona's average residential rate of 15.2¢/kWh — that's $15.31 a month.
Is electricity expensive in Arizona?: Arizona's residential average of 15.2¢/kWh is 17% below the U.S. average of 18.3¢/kWh, ranking 17 of 51 jurisdictions (1 = cheapest).
What's the cheapest electric water heater to run in Arizona?: Among currently certified models, the Eco-Logical OMNI-50HP1-1A costs the least at about $103 a year at Arizona rates (681 kWh/yr).
How does Arizona 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). Arizona sits at $184.

Keep digging

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