Light in the darkness: how SA schools should cut their electricity costs

Schools’ annual bills can be reduced by up to 39% if fluorescent lights are replaced with LEDs

28 January 2021 - 20:20 By Jason Avron Samuels, Leslie van Rooi, MJ (Thinus) Booysen and Sara Grobbelaar

Despite financial constraints, high costs and the best efforts of principals, electricity usage in SA’s schools remains largely unchecked, as they focus on educational outcomes. The country’s 23,471 public schools use an estimated 3.5TWh of energy a year. This is about a quarter of Koeberg nuclear power station’s production and it costs about R5bn...

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