Bake steamed buns in the oven for ten minutes with 0.18 to 0.25 kilowatt hours of electricity. According to relevant public information, the power of an oven is usually 1000-2000 watts. For example, a 10-liter oven is 1500 watts. Calculated based on the fact that it takes 30-40 minutes to cook food each time, it consumes about 0.75 kilowatt-hours of electricity per use. Its power is higher than that of air conditioners, refrigerators, microwave ovens, etc.