400W but it depends on model, make etc.
energy star
1: Many times people will keep a constant flow of water going to wash and rinse. A dishwasher uses only enough water to get the job done. Answer 2: This would greatly depend on which person doing the...
Depending on the brand, dishwashers typically consume 7.5 to 12 gallons (28 to 45 liters) of water per normal wash.
The Dish Washer uses 40 litres of water per load a day!!!