It is more economical to run the washing machine in the evening or after lunch, or during the weekend. Coinciding with the cheapest time of the day, from Monday to Friday from 00:00 am to 8.00 am, and throughout Saturday, Sunday and national holidays. In this period the kilowatt per hour (kWh) is cheaper than in the central hours of the day. Another of the best times to run your washing machine or dishwasher is between 14:00 and 18:00 (flat hours), where lower prices may be available.