Eskom has announced that it will be to implementing stage two rotational load-shedding from 09:00 until 23:00. The power utility says this is in order to protect the power system from a total collapse. In a statement, Eskom says the power supply constraint is caused by five generating units that are unavailable due to boiler tube leaks among other things. We spoke to energy expert Ted Blom and DA Shadow Minister of Public Enterprises, Natasha Mazzone...