Cape Town - Eskom has moved load shedding from stage 1 to stage 2 "due to a further shortage of generation".
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"Eskom would like to assure customers that load shedding is implemented as a necessary measure to protect the power system. Any additional changes on the already constrained power system could lead to a change in the stage of load shedding at short notice.
"We will communicate if there is a need to change stages," the utility said.
Earlier on Monday Eskom cited a shortage of generating capacity "as several units are currently out of service due to maintenance".