The electricity consumed by the dishwasher depends on the power of its motor. So, a larger dishwasher will naturally consume more energy. The best dishwasher in India consumes 1-1.6 kWh of energy. Hence, it is essential to look for energy efficiency stars while buying a dishwasher. More stars determine a product that consumes less power resulting in an affordable electricity bill. Follow the label in the front to note the yearly unit consumption of an electronic appliance.