What is demand factor (DF) in economics? All Questions › Category: Transmission And Distribution System › What is demand factor (DF) in economics? 0 Vote Up Vote Down Chetan Shidling Staff asked 5 years ago I need short info. 1 Answers 0 Vote Up Vote Down Chetan Shidling Staff answered 5 years ago The demand factor is the ratio of the maximum demand of a system to the total connected load on the system. DF=MD/CL