The amount of fuel required to provide the energy needs of each household is one of the components of fuel poverty and, combined with fuel prices, produces the modelled fuel bill.
Caiff y ffigur ar gyfer y cyfraniad at y gronfa ar gyfer pob awdurdod bilio ei gyfuno â'r refeniw a godwyd gan y rhestr ganolog er mwyn cyfrifo ffigur ar gyfer y ‘Gronfa Ardrethi Annomestig’.