Washing Machine Electricity Cost Calculator
See the real cost of each wash cycle — including the impact of water temperature on your electricity bill.
Cold Water Switch Savings
Switching all washes to cold could save you —/year.
Cost by Machine Type & Temperature
Based on US average $0.16/kWh, 5 loads/week
| Machine Type | Cold/Yr | Warm/Yr | Hot/Yr |
|---|---|---|---|
| ENERGY STAR Front-Loader | $15 | $50 | $87 |
| HE Top-Loader | $16 | $51 | $89 |
| Standard Top-Loader | $18 | $53 | $90 |
| Older Top-Loader | $24 | $59 | $97 |
Frequently Asked Questions
How much electricity does a washing machine use?
A modern ENERGY STAR front-loading washer uses 50–100W during the wash cycle (mechanical energy) but the water heater does the heavy lifting. A hot wash uses 1.5–2.5 kWh per load; a cold wash uses only 0.1–0.5 kWh. At 5 loads/week, switching from hot to cold water saves $40–$80/year on electricity alone.
Cold wash vs. hot wash — how much does it matter?
About 90% of washing machine energy goes to heating water. Switching from hot (120°F) to cold water cuts per-load energy use by 85–90%. Modern cold-water detergents are as effective for most loads. Exceptions: heavily soiled items, cloth diapers, or items needing sanitization may benefit from warm or hot water.
What is the difference between top-loader and front-loader efficiency?
Front-loading washers use 20–50% less water and 20–30% less electricity than top-loaders. They also spin faster (1,000–1,600 RPM vs. 600–800 RPM), removing more water and reducing dryer time. An ENERGY STAR front-loader typically uses 75 kWh/year vs. 150–200 kWh for a standard top-loader (cold water both). The gap widens significantly with hot water washes.
How many kWh does a washing machine use per load?
Cold wash: 0.1–0.5 kWh/load (motor only). Warm wash: 0.8–1.5 kWh/load. Hot wash: 1.5–2.5 kWh/load. Annual use at 5 loads/week cold: 26–130 kWh/year. Annual use at 5 loads/week hot: 390–650 kWh/year. The water heater type (electric vs. gas vs. heat pump) also changes the actual electricity cost of heating.
Should I wash with full loads or smaller loads more often?
Always wash full loads when possible. A full load uses the same energy as a half load on most machines. Running two half-loads uses double the energy of one full load. Most modern machines do have load-sensing technology that adjusts water levels, but the heating energy is similar regardless of load size in fixed-fill machines.