electricity 111 chapter 5 introduction 1 this presents statistics on from generation through to sales in addition generating capacity fuel used for and load factors efficiencies are included along with a map showing the transmission system great britain location of main power stations page 121 2 commodity balances each last three years form introductory table supply consumption elements balance presented as year time series 3 separates out public distribution generated consumed by autogenerators uses format fuels generate united kingdom five covered 4 shows relationship between definitions traditional digest so that most recent data can be linked long term trends which found dti energy web site 6