WattCost

Data through April 2026

Cost to run · Wisconsin · 19.2¢/kWh residential average

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

$208/yr · median certified model

Wisconsin's residential rate of 19.2¢/kWh tracks the national average (18.8¢) closely, so national cost figures translate almost directly: a median certified electric water heater runs about $208 a year here.

Wisconsin ranks 34 of 51 jurisdictions for electric water heater running costs — solidly mid-table. Model choice matters as much as geography: at Wisconsin rates the most efficient certified model (Friedrich PROH40 T2 FD400-15) costs $124 a year while the most power-hungry (Smart Solar SSG2-ES 120) costs $334 — a spread of $211 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.

Wisconsin
$208
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 Wisconsin rates

Price any model at Wisconsin rates

Your rate, your numbers

Per day
57¢
Per month
$17.32
Per year
$208

1,082 kWh/yr × 19.2¢/kWh = $208/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 Wisconsin?
About $208 a year for the median ENERGY STAR certified electric water heater, at Wisconsin's average residential rate of 19.2¢/kWh — that's $17.32 a month.
Is electricity expensive in Wisconsin?
Wisconsin's residential average of 19.2¢/kWh is 2% above the U.S. average of 18.8¢/kWh, ranking 34 of 51 jurisdictions (1 = cheapest).
What's the cheapest electric water heater to run in Wisconsin?
Among currently certified models, the Friedrich PROH40 T2 FD400-15 costs the least at about $124 a year at Wisconsin rates (643 kWh/yr).
How does Wisconsin 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). Wisconsin sits at $208.

Keep digging

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