State-owned utility Eskom warns that an inflation-linked hike will force it to seek yet more support from the National Treasury, amid overwhelming calls for the energy regulator to reject its request for a 20.5% tariff hike from April 1 and to implement a single-digit increase instead. Stakeholder warnings over the unaffordability of the proposed increase on business and households emerged as the core theme during week-long public hearings, which were hosted by the National Energy Regulator of South Africa (Nersa) from January 17 to 21, culminating in a hybrid event in Gauteng.