WattCost

Data through April 2026

Cost to run · Idaho · 12.7¢/kWh residential average

How much does it cost to run a clothes washer in Idaho?

$14/yr · median certified model

Residential electricity in Idaho runs 12.7¢/kWh — 33% under the U.S. average — putting the median certified clothes washer at about $14 a year, versus $21 nationally.

That makes Idaho the #2 cheapest of the 51 U.S. jurisdictions for running a clothes washer. Model choice matters as much as geography: at Idaho rates the most efficient certified model (Hisense WF5S2845BB) costs $4.95 a year while the most power-hungry (Maytag MVWB965H) costs $39 — a spread of $35 every year. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median clothes washer would cost $14 and $51 a year there.

Idaho
$14
US average
$21
North Dakota
$14
Hawaii
$51
Median certified clothes washer (110 kWh/yr) per year, at each rate

The cheapest clothes washers to run at Idaho rates

Top 10 by certified kWh, priced at 12.7¢/kWh
#ModelkWh/yr$/yr in ID
1Hisense WF5S2845BB39$4.95
2Hisense WF5S2845BT39$4.95
3Hisense WF5S2845BW39$4.95
4Premium Levella PWMF280HB39$4.95
5Premium Levella PWMF280HT39$4.95
6Premium Levella PWMF280HW39$4.95
7Premium Levella PWMF286HS39$4.95
8Premium Levella PWMF287HB39$4.95
9Electrolux ELFW733750$6.35
10Electrolux ELTE730050$6.35

Price any model at Idaho rates

Your rate, your numbers

Per day
Per month
$1.16
Per year
$14

110 kWh/yr × 12.7¢/kWh = $14/yr

Prefilled with the median certified clothes washer (110 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 a clothes washer in Idaho?
About $14 a year for the median ENERGY STAR certified clothes washer, at Idaho's average residential rate of 12.7¢/kWh — that's $1.16 a month.
Is electricity expensive in Idaho?
Idaho's residential average of 12.7¢/kWh is 33% below the U.S. average of 18.8¢/kWh, ranking 2 of 51 jurisdictions (1 = cheapest).
What's the cheapest clothes washer to run in Idaho?
Among currently certified models, the Hisense WF5S2845BB costs the least at about $4.95 a year at Idaho rates (39 kWh/yr).
How does Idaho compare with other states?
The same median clothes washer costs $14 a year in North Dakota (the cheapest state) and $51 in Hawaii (the priciest). Idaho sits at $14.

Keep digging

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