WattCost

Data through June 2026

Cost to run · Connecticut · 24.3¢/kWh residential average

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

$294/yr · median certified model

Connecticut pays 24.3¢/kWh for residential power — 33% above the national average — lifting the median certified electric water heater to about $294 a year, versus $222 nationally.

In the national ranking, Connecticut lands at 40 of 51 for what an electric water heater costs to run. At local rates, certified models span $166 (Eco-Logical OMNI-50HP1-1A) to $423 (Smart Solar SSG2-ES 120) per year — $258 of annual headroom that depends entirely on which unit you buy. 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.

Connecticut
$294
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 Connecticut rates

Price any model at Connecticut rates

Your rate, your numbers

Per day
81¢
Per month
$24.52
Per year
$294

1,210 kWh/yr × 24.3¢/kWh = $294/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 Connecticut?
About $294 a year for the median ENERGY STAR certified electric water heater, at Connecticut's average residential rate of 24.3¢/kWh — that's $24.52 a month.
Is electricity expensive in Connecticut?
Connecticut's residential average of 24.3¢/kWh is 33% above the U.S. average of 18.3¢/kWh, ranking 40 of 51 jurisdictions (1 = cheapest).
What's the cheapest electric water heater to run in Connecticut?
Among currently certified models, the Eco-Logical OMNI-50HP1-1A costs the least at about $166 a year at Connecticut rates (681 kWh/yr).
How does Connecticut 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). Connecticut sits at $294.

Keep digging

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