The public has been advised over recent weeks to choose off-peak hours to run their machines at home as the cost of living continues to soar in Ireland.
It has been suggested that homeowners could save money by not running their dishwashers and washing machines at certain times of the day.
Mandatory time-of-day pricing for electricity is being considered by the government, which could see people switch on their appliances later in the evening to save money when power would be cheaper.