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Eskom price increases, 1988 to 2026
The chart compounds every average Eskom tariff increase against inflation over the same period. The 2026 electricity tariff increase is 8.76% for customers supplied directly by Eskom.
The data behind this chart, every year from 1988 to 2026 with the average price in c/kWh, is on the Eskom price data page.
Source
The series is the average standard tariff adjustment for customers supplied directly by Eskom, in the year it took effect, from Eskom's published tariff schedules and historical average price tables and the regulator's decisions (NER to 2004, NERSA since). Inflation is Stats SA consumer inflation via the World Bank. Definitions, caveats and every yearly figure: the data page.