Cost to run appliances in Idaho
Updated August 2026 · average residential rates
Quick answer: Idaho pays 11.6¢/kWh on average — 31% below the US average, #2 cheapest of 51. A space heater costs about $31.74/month here (6 h/day); every other appliance is in the table below at local rates.
Run your own numbers
typically 750–1,500 W (most run at 1,500 W on high) · default assumes 6 hours/day on high during cold months
17.4¢
per hour running
$1.04
per day
$31.74
per month
$381
per year
Uses about 9.0 kWh/day at 11.6¢/kWh (Idaho). National average would be $46.24/month.
Every appliance at Idaho rates
Winter tip: see what heating a home costs in Idaho — electric, heat pump, gas, oil and more.