State-owned power utility Eskom has appointed Bheki Nxumalo group executive for generation, with immediate effect. He will report directly to the Eskom Group acting CE Calib Cassim. Nxumalo’s career in the energy sector spans over 20 years from junior to senior management and executive levels. He is an all-round business leader comfortable in governance, people and technical aspects of the role, the utility said in a statement.