“South African households and businesses face a 9.01% average electricity tariff increase from July 2026, compounding Eskom’s earlier 8.76% hike in April. The adjustment stems from a court-ordered recalculation of Eskom’s asset base, leaving consumers with sharply rising costs amid ongoing debates about affordability and accountability.”
South Africa’s energy landscape has once again been jolted by regulatory decisions that directly affect the cost of living and doing business. On 1 July 2026, the National Energy Regulator of South Africa (NERSA) implemented a 9.01% average electricity tariff increase for municipal customers, following Eskom’s earlier 8.76% hike for direct customers in April. This marks the second major adjustment in just four months, raising concerns about affordability, economic competitiveness, and the regulator’s ability to balance Eskom’s financial sustainability with consumer protection.
Background to the Tariff Increase
The July increase is part of NERSA’s broader Multi-Year Price Determination (MYPD6) framework. Initially, the regulator had projected a more modest 5.36% increase for 2026/27. However, a High Court ruling in late 2025 forced NERSA to revisit its calculations after identifying errors in Eskom’s Regulated Asset Base (RAB). The recalculation revealed a shortfall of approximately R76 billion, including R62 billion in depreciation and R14 billion in return on assets. To recover part of this deficit, NERSA approved the July tariff hike, adding R12 billion in revenue for Eskom in the current financial year.
Regional Variations
The tariff increase is not uniform across the country.
- Cape Town residents face the lowest hike at 7.5%.
- Buffalo City (East London) residents bear the steepest increase at 14%.
- The national average sits at 9.01%, affecting 176 licensed municipal and private distributors.
This uneven distribution reflects differences in municipal cost structures and Eskom’s bulk-purchase agreements.
Economic Impact
The compounded effect of the April and July increases means that electricity costs have risen by more than 18% in just two financial years. For households, this translates into significant budgetary strain:
- A R1,500 monthly bill now costs an additional R135 per month.
- A R2,000 bill rises by R180 per month, or R2,160 annually.
- Larger households with R2,500 bills face an extra R225 monthly, totaling R2,700 annually.
Businesses, particularly energy-intensive industries such as mining, manufacturing, and agriculture, are expected to absorb higher operating costs. Analysts warn that this could erode competitiveness, discourage investment, and fuel inflationary pressures across the economy.
Expert Opinions
Energy experts have criticized the regulator’s handling of tariff determinations. Matthew Cruise of IMPOWER Solar noted that “after 15 years of price determinations, the regulator and the utility are still in dispute over fundamental accounting principles like asset depreciation.” He cautioned that continuous escalation risks further straining the national economy.
Consumer Response
Public reaction has been swift, with many households exploring ways to mitigate rising costs. Energy efficiency measures, such as geyser blankets, timers, and LED lighting, are gaining traction. At the same time, rooftop solar installations are increasingly seen as a long-term solution to stabilize electricity costs.
Government Position
The South African government has acknowledged the challenges posed by rising tariffs but maintains that Eskom’s financial recovery is essential. Minister Gwede Mantashe recently highlighted the importance of balancing affordability with Eskom’s sustainability, noting that the utility remains central to South Africa’s energy security.
Future Outlook
Looking ahead, NERSA has already approved a further 8.83% increase for 2027/28, meaning consumers face a cumulative rise of more than 18% over two years. Without structural reforms, South Africans may continue to grapple with escalating electricity costs, even as load shedding has temporarily eased.
Conclusion
The July 2026 tariff hike underscores the complex interplay between regulatory oversight, Eskom’s financial health, and consumer affordability. While necessary to address Eskom’s revenue shortfalls, the increase places a heavy burden on households and businesses. The challenge for policymakers will be to ensure that future energy reforms prioritize both sustainability and affordability, preventing electricity from becoming an insurmountable barrier to economic growth.





