Nersa to oppose Eskomâs high court application on Regulatory Clearing account balance By BR Reporter Share The National Energy Regulator of South Africa (Nersa) has decided to oppose the high court application filed by electricity utility Eskom against it, the energy regulator said on Monday. Nersa cited factual matrix and applicable regulatory, and legal principles as reasons to oppose the application. According to Nersa, it held a meeting on April 28, and it resolved to oppose the high court application to review and set aside the Energy Regulatorâs decision of the approval of a Regulatory Clearing Account (RCA) balance of R13.271 billion for the 2018/19 financial year, and the Energy Regulatorâs decision to grant Eskom's supplementary revenue balance of R1.288bn in respect of the 2018/19 financial year.