Unacceptable Service from City Power

I've been without electricity since Tuesday 20/12/2022 and I've logged 3 cases on the Mobi web. The cases are assigned to technicians and then closed stating that job is complete, however nobody's coming out to assist at all. What else should be done to get assistance. My references numbers is as follows: CPWEB***, CPWEB***, CPWEB***