Cost to run an electric water heater in Texas

$0.64/hour

Electric Water Heater at 4,000 W in Texas (15.91¢/kWh) · $58.04/month at 3 h/day

By hours of use

Use	Per day	Per month	Per year
1 h/day	$0.64	$19.35	$232.29
2 h/day	$1.27	$38.69	$464.57
3 h/day	$1.91	$58.04	$696.86
4 h/day	$2.55	$77.39	$929.14
8 h/day	$5.09	$154.77	$1,858.29
12 h/day	$7.64	$232.16	$2,787.43
24 h/day	$15.27	$464.32	$5,574.86

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 Texas?

At 4,000 W and 15.91¢/kWh: $0.64 per hour, $1.91 per day and $58.04 per month at 3 h/day.

How does Texas 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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