Is electricity expensive in Delaware?

Delaware's residential average of 19.3¢/kWh is 5% above the U.S. average of 18.3¢/kWh, ranking 34 of 51 jurisdictions (1 = cheapest).

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

Among currently certified models, the Eco-Logical OMNI-50HP1-1A costs the least at about $131 a year at Delaware rates (681 kWh/yr).

How does Delaware 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). Delaware sits at $233.

Data through June 2026

Cost to run · Delaware · 19.3¢/kWh residential average

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

$233/yr · median certified model

Electricity in Delaware is priced within a few percent of the U.S. average — 19.3¢/kWh — which puts the typical certified electric water heater at about $233 annually, essentially the national number.

In the national ranking, Delaware lands at 34 of 51 for what an electric water heater costs to run. Model choice matters as much as geography: at Delaware rates the most efficient certified model (Eco-Logical OMNI-50HP1-1A) costs $131 a year while the most power-hungry (Smart Solar SSG2-ES 120) costs $336 — a spread of $204 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.

Delaware

$233

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 Delaware rates

Top 10 by certified kWh, priced at 19.3¢/kWh
#	Model	kWh/yr	$/yr in DE
1	Eco-Logical OMNI-50HP1-1A	681	$131
2	GE Profile PF40S10FPY01	724	$140
3	Eco-Logical OMNI-50HP2-1A	769	$148
4	GE Profile PH40S10BPY01	773	$149
5	Friedrich PROH40 T0 FD120-M	780	$150
6	Friedrich PROH40 T0 FD120-MSO	780	$150
7	Rheem PROPH40 T0 RH120-M	780	$150
8	Rheem PROPH40 T0 RH120-MSO	780	$150
9	Rheem XE40T10HM00U0	780	$150
10	Rheem XE40T10HMS00U0	780	$150

Price any model at Delaware rates

Your rate, your numbers

Annual use (kWh)

Electricity rate

Per day: 64¢
Per month: $19.45
Per year: $233

1,210 kWh/yr × 19.3¢/kWh = $233/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 Delaware?: About $233 a year for the median ENERGY STAR certified electric water heater, at Delaware's average residential rate of 19.3¢/kWh — that's $19.45 a month.
Is electricity expensive in Delaware?: Delaware's residential average of 19.3¢/kWh is 5% above the U.S. average of 18.3¢/kWh, ranking 34 of 51 jurisdictions (1 = cheapest).
What's the cheapest electric water heater to run in Delaware?: Among currently certified models, the Eco-Logical OMNI-50HP1-1A costs the least at about $131 a year at Delaware rates (681 kWh/yr).
How does Delaware 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). Delaware sits at $233.

Keep digging

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