What is load factor (LF) in economics? All Questions › Category: Transmission And Distribution System › What is load factor (LF) in economics? 0 Vote Up Vote Down CS Electrical And Electronics Staff asked 4 years ago I need short info. 1 Answers 0 Vote Up Vote Down CS Electrical And Electronics Staff answered 4 years ago It is defined as the ratio of the average load over a given period to the maximum demand (peak load) occurring in that period.