ZAMBIA Association of Manufacturers (ZAM) president Ashu Sagar has questioned why there has been no substantial increase in electricity supply, despite the emergency tariffs being in effect. On Sunday, Zesco announced an increase in power supply for residential customers to six hours per day. The utility also stated that adjustments had been made to the hours of supply for industrial and commercial customers. Commenting on this in an interview, Sagar said his association was concerned that the emergency tariffs remain in place without a substantial increase in the number of hours being provided. “On Zesco’s side, I think there are a few issues that we need to address. Firstly, the fact that we had agreed to the new emergency tariffs....