Appliance Wattage & Running Cost
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How many watts does a pressure washer use? (1,500 W)

A pressure washer uses about 1,500 W
Typical range 1,200–2,100 watts.

Running cost calculator

Per hour
Per day
Per month
Per year
Energy/mo

A pressure washer's pump motor draws steady power and surges at startup, so it needs a solid outdoor circuit.

Pressure washer power specs

Typical running power1,500 W
Typical range1,200–2,100 W
Startup surge2,400 W
Energy use0.75 kWh/day · 22.5 kWh/mo

What affects the wattage

Running cost at $0.17/kWh

Electricity ratePer dayPer monthPer year
$0.10/kWh$0.08$2.25$27.38
$0.15/kWh$0.11$3.37$41.06
$0.20/kWh$0.15$4.50$54.75
$0.25/kWh$0.19$5.63$68.44
$0.30/kWh$0.22$6.75$82.12
$0.40/kWh$0.30$9.00$109.50

See the full breakdown of what it costs to run a pressure washer, or what size power station runs a pressure washer.

FAQ

How many watts does a pressure washer use?

Electric models use about 1200-2100 running watts plus a startup surge.

What generator runs a pressure washer?

Allow for the surge - a 2500+ watt generator suits most electric washers.