ZESCO Managing Director Victor Mapani says the utility company is struggling to maintain the 12 hours of load shedding because the rate at which water is depleting at Kariba is quite high. Mapani has urged citizens to conserve energy, noting that the current load shedding mitigation measures may not be enough, and some measures may be a bit painful than anticipated. Meanwhile, Mapani notes that about 40 percent of Zesco’s revenue is generated from exports. Speaking on Prime TV’s “The Big Debate” programme, Tuesday, Mapani said even if Zesco was to recall all power exports, it would still not meet the deficit. “What it is, is that we looked at the entire portfolio, how much power do we need to...