The National Energy Regulator of South Africa (Nersa) has officially confirmed that the average tariff increase for Eskom direct customers will rise by 8.76% on April 1 and by 9.01% for municipalities on July 1. The confirmation follows the March 5 approval by the Energy Regulator, Nersa’s highest decision making structure, of the Eskom Retail Tariffs and Structural Adjustment (ERTSA) application.