WattCost

Data through June 2026

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

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

$184/yr · median certified model

Wyoming's 15.2¢/kWh rate undercuts the national average by 17%, so the typical certified electric water heater costs roughly $184 a year here instead of $222.

In the national ranking, Wyoming lands at 18 of 51 for what an electric water heater costs to run. Model choice matters as much as geography: at Wyoming rates the most efficient certified model (Eco-Logical OMNI-50HP1-1A) costs $104 a year while the most power-hungry (Smart Solar SSG2-ES 120) costs $265 — a spread of $162 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.

Wyoming
$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 Wyoming rates

Price any model at Wyoming rates

Your rate, your numbers

Per day
51¢
Per month
$15.37
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 Wyoming?
About $184 a year for the median ENERGY STAR certified electric water heater, at Wyoming's average residential rate of 15.2¢/kWh — that's $15.37 a month.
Is electricity expensive in Wyoming?
Wyoming's residential average of 15.2¢/kWh is 17% below the U.S. average of 18.3¢/kWh, ranking 18 of 51 jurisdictions (1 = cheapest).
What's the cheapest electric water heater to run in Wyoming?
Among currently certified models, the Eco-Logical OMNI-50HP1-1A costs the least at about $104 a year at Wyoming rates (681 kWh/yr).
How does Wyoming 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). Wyoming sits at $184.

Keep digging

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