Washing Machine Electricity Calculator in Delaware

A washing machine in Delaware costs about $1.97 a month ($24.00 a year) to run at the state's average rate of 18.79 ¢/kWh. Use this calculator to compare light, typical, and heavy use.

Delaware average rate
18.79 ¢/kWh
Assumed wattage
700 W
Typical usage pattern
0.5 hours/day
Typical monthly cost
$1.97
Typical yearly cost
$24.00

Key metrics

MetricValue
Delaware average rate18.79 ¢/kWh
Assumed wattage700 W
Typical usage pattern0.5 hours/day
Typical monthly cost$1.97
Typical yearly cost$24.00

Washing Machine in Delaware vs U.S. benchmark

Delaware monthly estimate
$1.97
U.S. monthly estimate
$2.03
Difference
-$0.06
State rate
18.79 ¢/kWh

Calculator assumptions

This calculator uses a typical wattage range of 400-1,400 W, and we assume 700 watts for 0.5 hours/day. The formula is kWh = (watts × hours) / 1000.

At this profile, the appliance uses 10.5 kWh per month and 127.7 kWh per year.

Appliance calculator scenarios

ScenarioHours/dayAnnual energyDelaware monthlyU.S. monthlyDelaware yearly
Light usage0.5 hours/day127.7 kWh$1.97$2.03$24.00
Typical usage0.5 hours/day127.7 kWh$1.97$2.03$24.00
Heavy usage2.5 hours/day638.8 kWh$9.86$10.14$120.02

Appliance cost reference page

Want the full write-up? The appliance page below uses the same rate and wattage assumptions:

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Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: April 2026. Estimates use the EIA average all-in residential rate (delivery included); they don't add separately billed taxes, fixed charges, or other utility fees, which vary by utility. For how rates and estimates are defined, see the methodology hub.

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