In just three months since Eskom CEO Tshediso Matona has been at the helm of the power utility, he's had to concede that Eskom has all but exhausted its reserve margins and expects a pattern of rolling blackouts for some time to come. This was earlier today, when Matona was addressing the media on the status of the country's power, as more blackouts are expected due to pressures, exerted by industry coming on the grid.