WattCost

Data through April 2026

Cost to run · Connecticut · 32.2¢/kWh residential average

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

$349/yr · median certified model

Electricity in Connecticut is genuinely expensive — 32.2¢/kWh, 71% above the national average — so the median certified electric water heater costs about $349 a year, and efficiency differences between models turn into real money.

Connecticut sits at rank 49 of 51 — near the very top of the cost table for an electric water heater. At local rates, certified models span $207 (Friedrich PROH40 T2 FD400-15) to $561 (Smart Solar SSG2-ES 120) per year — $354 of annual headroom that depends entirely on which unit you buy. 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.

Connecticut
$349
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 Connecticut rates

Price any model at Connecticut rates

Your rate, your numbers

Per day
96¢
Per month
$29.07
Per year
$349

1,082 kWh/yr × 32.2¢/kWh = $349/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 Connecticut?
About $349 a year for the median ENERGY STAR certified electric water heater, at Connecticut's average residential rate of 32.2¢/kWh — that's $29.07 a month.
Is electricity expensive in Connecticut?
Connecticut's residential average of 32.2¢/kWh is 71% above the U.S. average of 18.8¢/kWh, ranking 49 of 51 jurisdictions (1 = cheapest).
What's the cheapest electric water heater to run in Connecticut?
Among currently certified models, the Friedrich PROH40 T2 FD400-15 costs the least at about $207 a year at Connecticut rates (643 kWh/yr).
How does Connecticut 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). Connecticut sits at $349.

Keep digging

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