How Much Does a Dishwasher Cost to Run?
A dishwasher costs approximately $86/year to run at $0.16/kWh. That is $7.20/month or $0.288/hour.
💰 Dishwasher Running Cost Calculator
$0.16/kWh
1 hrs
300
Per Hour
$0.288
Per Day
$0.29
Per Month
$7.20
Per Year
$86
5-Year Cost
$432
kWh/Year
540
Based on 1800W rated power. Actual varies by model and usage.
Dishwasher Cost at Different Rates
| Rate | Monthly | Annual |
|---|---|---|
| $0.08 | $3.58 | $43 |
| $0.10 | $4.50 | $54 |
| $0.12 | $5.42 | $65 |
| $0.16 | $7.17 | $86 |
| $0.20 | $9.00 | $108 |
| $0.25 | $11.25 | $135 |
| $0.30 | $13.50 | $162 |
| $0.35 | $15.75 | $189 |
Dishwasher Energy Usage Explained
A dishwasher consumes 1800W. At 1 hours/day for 300 days/year, that is 540 kWh annually — about 5.1% of average US household usage (10,500 kWh).
How to Calculate Running Cost
Cost = (Watts ÷ 1000) × Hours × Rate
For your dishwasher: (1800W ÷ 1000) × 1 hrs × $0.16/kWh = $0.29/day.
Tips to Reduce Costs
Use time-of-use electricity plans for off-peak rates ($0.05–$0.10/kWh overnight). Upgrade to Energy Star certified models. Use smart plugs or timers. Check rates in your state with our Electricity Cost Calculator.
Disclaimer: Estimates based on rated wattage. Actual consumption varies by model, age, and usage patterns.
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