1) load factor 2) energy utilisation factor 3) energy utilization factor 4) utilisation factor 5) utilization factor the ratio, expressed as a numerical value or as a percentage, of the consumption within a specified period, e.g. year, month, day, etc., to the consumption that would result from continuous use of the maximum or other specified demand occurring within the same period GRM: n. (1,2,3,4,5) REG: British English (2,4), American English (3,5) USG: not to be used without specifying the demand and the period to which it relates. The load factor for a given demand is also equal to the ratio of the utilisation time to the time in hours within the same period