See the running costs for the eR7 models here: Average cost for electricity 30p/kWh (Source: Price based on OFGEM, July 2023). In business, price range means one of three concepts. Either (1) it’s the price of a good or service in a free market, (2) it’s the target price range for a product or service before launching, or (3) it’s the desired price for selling or buying in a negotiation where the market data does does exist or is unreliable (i.e for a non.