Myth: Washing dishes by hand uses less energy than running an electric dishwasher.
Fact: According to Xcel Energy, modern machines beat out the old-fashioned method. Washing dishes by hand is more expensive (not to mention more time consuming) than operating an energy efficient dishwasher. You consume less energy with an energy efficient dishwasher when used properly and when operating with full loads. As an added health benefit, using a dishwasher is also a more sanitary method than washing dishes by hand.