GREENVEST ESCO has implemented a new lighting system for the well-known “I Granai” shopping centre, replacing 3,729 LED lighting fixtures, which will save 130 TOE (TTonnes of Oil Equivalent) annually. TOE: is a unit of measurement of energy that indicates the amount of energy released by the combustion of one tonne of crude oil. 1 TOE = 5,347.49 kWh for electricity consumption.