Joburg residents told 'load rotation' on the cards to protect infrastructure Overloading caused by illegal connections, an increase in backyard rooms and high use of electricity during peak hours 28 May 2021 - 09:17 Johannesburg residents have been warned of the likelihood of load rotation as the power system is under severe pressure, amid electricity usage increases as temperatures drop for winter. Stock photo. Image: 123RF/loganban Councillor Mpho Moerane, MMC of Environment and Infrastructure Services, has informed Johannesburg residents of the likelihood of “load rotation”. Load rotation has no schedule, unlike load-shedding, but is implemented based on load threat from local substations.