Allowing Eskom Generation to classify the primary energy used by its coal power stations as fixed costs will undermine the objective of using the upcoming launch of the South African Wholesale Electricity Market (SAWEM) to usher in a competitive supply industry. This stark warning was delivered by Jenna Harris, an experienced energy professional, who was also founder and the former CEO of a licensed electricity trader, during recent regulatory hearings into the National Transmission Company South Africa’s (NTCSA’s) application for a Market Operator licence.