energy ratingnoun [ C ]
ukusENVIRONMENT, NATURAL RESOURCESa measurement of how much of the energy supplied to a building, piece of equipment, etc. is used and how much is wasted:
The majority of the appliances that we sell have an energy rating of C or above, meaning that consumption of electricity is reduced.
First-time buyers receive a free home energy rating report with their property valuation.