Cost to run an electric water heater in Maine

$1.28/hour

Electric Water Heater at 4,000 W in Maine (32.11¢/kWh) · $117.14/month at 3 h/day

By hours of use

Use	Per day	Per month	Per year
1 h/day	$1.28	$39.05	$468.81
2 h/day	$2.57	$78.09	$937.61
3 h/day	$3.85	$117.14	$1,406.42
4 h/day	$5.14	$156.18	$1,875.22
8 h/day	$10.28	$312.37	$3,750.45
12 h/day	$15.41	$468.55	$5,625.67
24 h/day	$30.83	$937.10	$11,251.34

Tank water heaters use 3,000-5,500 W elements; a family typically runs them 2-4 hours a day. Heat-pump models use about a third.

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

At 4,000 W and 32.11¢/kWh: $1.28 per hour, $3.85 per day and $117.14 per month at 3 h/day.

How does Maine compare with other states?

The same use costs $46.40/month in Nevada (cheapest) and $172.11/month in Hawaii (most expensive); the US average is $66.25.

Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).

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