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What the Eskom–NERSA settlement means for your power bill

Solar advice
September 8, 2025

What the Eskom–NERSA settlement means for your power bill

Eskom and the National Energy Regulator of South Africa (NERSA) recently concluded a high stakes agreement over a revenue shortfall that was edging dangerously close to R100 billion. The outcome? A R54 billion settlement—lower than Eskom’s claim, but still set to impact your electricity bill significantly. Let’s break it down.

The Backstory: A Price Determination with an Error

At the start of 2025, NERSA approved Eskom’s allowable revenues for three financial years under its Sixth Multi Year Price Determination (MYPD6):

  • 2025/26: R384.6 billion → 12.74% tariff increase
  • 2026/27: R409.5 billion → 5.36% increase
  • 2027/28: R436.9 billion → 6.19% increase

Eskom filed a judicial review, arguing a revenue shortfall of around R107 billion—citing a data input error in NERSA’s calculations specifically affecting depreciation and the Regulatory Asset Base (RAB) in its generation business.

The Settlement: R54 Billion, Phased Recovery

After assessing Eskom’s case, NERSA identified genuine errors and agreed to a corrected figure: Eskom was indeed entitled to an additional R54 billion over three years—not the full R107 billion claimed.

The parties settled on 30 July 2025, opting for negotiation instead of prolonged court proceedings.

Here’s How the Tariff Increases Will Play Out

NERSA confirmed there will be no extra increase for 2025/26. But for the next two years:

Financial Year Original Tariff Increase Additional Increase (via Settlement) New Total Increase
2026/27 5.36% +3.40 percentage points 8.76%
2027/28 6.19% +2.64 percentage points 8.83%

These increases are contingent on court approval and still go through NERSA’s Regulatory Clearing Account (RCA) process.

What This Means for Consumers

Direct Eskom Customers:

If you purchase power directly from Eskom, expect your electricity bill to climb by about 8.76% come April 2026, and by 8.83% from April 2027.

Municipal Customers:

Municipalities will likely pass on these hikes via their tariff books. Management of cross subsidies, local budgeting, and municipal financial health will influence the extent of the increase you see—but ultimately, households and businesses will feel the pinch.

Some worry these mounting increases will compound already dire affordability challenges and create fiscal stress on municipal services.

Why It Matters—and What You Can Do

  • For businesses and estates: If you rely on municipal tariffs, engage early with your provider for an Energy as a Service (EaaS) or Power Purchase Agreement (PPA) to understand how the changes may translate into your accounts.
  • Consider alternatives: Investing in solar, or entering into a PPA could be a smart buffer against rising costs—particularly if municipal tariffs rise more steeply than Eskom’s increases.

Adopting efficiency measures and clean energy solutions can provide both financial relief and resilience in a shifting energy landscape.

In Summary

  • No extra hike for 2025/26, but…
  • 2026/27 tariff increase climbs from 5.36% to 8.76%
  • 2027/28 increase rises from 6.19% to 8.83%
  • Consumers—especially those billed via municipalities—will feel the impact.
  • Now’s the time to explore energy alternatives to soften the blow.

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