How Much Does It Cost to Run a Dishwasher in Quebec? (2026)

A dishwasher draws heavy power only while heating water and during the drying phase. Over a full cycle it averages 1 to 2 kWh, which is usually cheaper than washing the same dishes by hand with hot water.

A typical dishwasher (1,500 W) costs C$0.12 per hour, or about C$3.73 per month at 1 hour a day in Quebec. Average running cost

Hours used per day
WattagePer hourPer dayPer monthPer year
Low 1,200 WC$0.099C$0.099C$2.98C$36.31
Typical 1,500 WC$0.12C$0.12C$3.73C$45.39
High 2,400 WC$0.20C$0.20C$5.97C$72.62

Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 1 h/day ≈ 548 kWh per year.

One hour of a dishwasher (1.5 kWh) is the same electricity as

Electricity per year at typical use, on a log scale: #72 of 95 appliances, from least to most.

In Quebec, with electricity at 8.3¢ per kWh (source: Hydro-Québec 2025 comparison, 2025-04), a typical dishwasher costs C$0.12 per hour and about C$45.39 per year at 1 hour a day. That is about 41% less than the national average for Canada (C$6.30 per month), because electricity in Quebec costs 8.3¢ per kWh against 14.0¢ nationally. Each C$1.00 of electricity buys roughly 8.0 hours of use.

How to lower the cost of running a dishwasher

In standby it draws about 1 W, which adds roughly 9 kWh (C$0.73) per year if it is never unplugged.

Is an efficient dishwasher worth it?

Class G dishwasher, about 105 kWh per 100 cycles: about 295 kWh a year. Class A dishwasher, about 55 kWh per 100 cycles: about 155 kWh. The difference is worth C$11.61 a year in Quebec.

Usage assumed: 280 cycles a year. Typical prices: C$700.00 for the efficient model, C$200.00 more than a basic one. Work it out with your own prices

Frequently asked questions

Is a dishwasher cheaper than washing by hand?

Usually yes, if you run full loads. Hand washing with running hot water uses more energy and far more water.

How much does a dishwasher cycle cost?

About 1 to 1.5 kWh per cycle on a normal program. Use the hourly figure above as a per-cycle estimate.

What uses the most power in a dishwasher?

The water heating element, followed by the heated drying cycle.

Compare with

Cost by region

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Related appliances

Use the generic electricity cost calculator · Which uses more? Take the quiz