Washing Machine Electricity Calculator in Idaho

A washing machine in Idaho costs about $1.33 a month ($16.22 a year) to run at the state's average rate of 12.70 ¢/kWh. Use this calculator to compare light, typical, and heavy use.

Idaho average rate
12.70 ¢/kWh
Assumed wattage
700 W
Typical usage pattern
0.5 hours/day
Typical monthly cost
$1.33
Typical yearly cost
$16.22

Key metrics

MetricValue
Idaho average rate12.70 ¢/kWh
Assumed wattage700 W
Typical usage pattern0.5 hours/day
Typical monthly cost$1.33
Typical yearly cost$16.22

Washing Machine in Idaho vs U.S. benchmark

Idaho monthly estimate
$1.33
U.S. monthly estimate
$2.03
Difference
-$0.70
State rate
12.70 ¢/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 energyIdaho monthlyU.S. monthlyIdaho yearly
Light usage0.5 hours/day127.7 kWh$1.33$2.03$16.22
Typical usage0.5 hours/day127.7 kWh$1.33$2.03$16.22
Heavy usage2.5 hours/day638.8 kWh$6.67$10.14$81.12

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 all-in average residential rate — energy, delivery, fixed charges, and utility fees together, not just the electricity itself. Fees are inside the rate, not an extra on top; how your own bill splits fixed versus per-kWh charges varies by utility. For what's inside the all-in rate, see hidden electricity fees; for how rates and estimates are defined, see the methodology hub.

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