When Eskom unveiled its new residential electricity tariffs for the 2025/26 financial year, many middle-class households were caught off guard. The utility’s restructuring, approved by the National Energy Regulator (NERSA), takes effect on . While the headline average increase sits at a manageable 12.74%, the real story lies in the structural shift that penalizes low consumers and solar users with soaring fixed monthly charges.
Here’s the thing: you can install solar panels or cut your usage in half, but if your bill’s fixed component doubles, your savings vanish. This isn’t just about higher rates; it’s a fundamental change in how electricity is priced, moving away from pure consumption-based models toward flat fees that hit smaller households hardest.
The Myth of the Average Increase
On paper, a 12.74% hike sounds painful but predictable. But averages are deceiving. In the previous 2024/25 cycle, local authority tariffs saw an average rise of 12.72%, while direct customers faced 12.74%. However, the affordability subsidy charge jumped by a staggering 25.24%, dragging up industrial tariffs to 13.29%.
For 2025/26, the picture is even more skewed. Eskom has abolished inclined block tariffs—where the first kilowatt-hours were cheaper—for key residential categories like Homelight 20A, Homelight 60A, and Homepower 4. Instead, they’ve introduced flat energy rates. For low-consumption households using less than 350 kWh, the per-unit cost on Homelight 20A rises by 13.6%. On Homelight 60A, it jumps 18.3%. Meanwhile, high-volume users see their variable costs drop significantly, with Homelight 60A and Homepower 4 rates falling by over 30% for usage above certain thresholds.
This creates a perverse incentive: the more you save, the less you benefit. High users get discounted rates for bulk consumption, while frugal households pay a premium for every unit they do use.
The Fixed Charge Trap
The twist is the fixed monthly component. For tariffs like Homepower 4 and Homeflex 4, Eskom has introduced or increased standing charges that apply regardless of usage. From 1 April 2025, the fixed monthly fee for Homepower 4 will skyrocket by 88%, jumping from R192.90 to R362.70. That’s nearly double what it was last year.
Why does this matter? If you’re a small household or have rooftop solar that covers most of your needs, you might only buy 50 kWh from the grid. Under the old system, your bill would be tiny. Now, you still pay that R362.70 fixed fee before you even touch the variable rate. As one analysis noted, this structure "impacts low consumption customers the hardest." It effectively taxes efficiency.
Solar-equipped households are particularly frustrated. They invested in green energy to reduce reliance on the grid, only to find that the grid’s access fee has become prohibitively expensive. The savings from not buying power are eaten alive by the mandatory monthly subscription-like charge.
Time-of-Use Changes Add Complexity
It’s not just about how much you pay, but when. Eskom is redefining peak periods for time-of-use (TOU) tariffs like Homeflex 4. The morning peak window shrinks from three hours to two, which sounds good. But the evening peak expands from two hours to three. A new standard period has also been introduced on Sundays.
These changes force households to rethink their daily routines. Running the dishwasher or washing machine during the new, longer evening peak could mean paying significantly more. With massive price increases across all Homeflex 4 time bands, navigating these windows becomes a chore rather than a convenience.
Who Is Really Paying the Price?
The impact is uneven. Large commercial users and heavy residential consumers see relief in their variable costs. But the middle class—those who work from home, have moderate usage, or rely on partial solar setups—are squeezed. They don’t consume enough to qualify for bulk discounts, yet they bear the brunt of the fixed cost recovery.
BizNews reported that these changes push up bills for small and solar households despite lower usage. It’s a regressive shift. The poorest households, protected by the Homelight 20A free basic electricity allocation, face some buffer, but once they exceed those limits, the flat rates bite hard. The wealthy, with large homes and high consumption, benefit from reduced per-kWh rates on their excess usage.
Experts suggest this restructuring may drive more residents to go fully off-grid, further eroding Eskom’s customer base and revenue stability. It’s a risky gamble. By making grid connection expensive for light users, Eskom might accelerate the very decentralization it fears.
What Comes Next?
As of April 2025, these tariffs are live. Households need to review their contracts and consider whether solar investment makes economic sense under the new fixed-cost regime. Some may choose to reduce grid dependency entirely, while others might lobby for regulatory intervention.
NERSA’s role remains critical. They approved this structure, but public backlash could prompt future reviews. For now, the message is clear: saving energy won’t necessarily save money. The grid is charging for access, not just electrons.
Frequently Asked Questions
When do the new Eskom tariffs take effect?
The new residential tariff structures, including the significant increases in fixed charges and the removal of inclined block rates, come into effect on 1 April 2025. This marks the start of the 2025/26 financial year for Eskom’s billing cycles.
Why are solar households seeing higher bills?
Solar households often have low grid consumption. The new tariffs introduce high fixed monthly charges (e.g., an 88% hike for Homepower 4) that must be paid regardless of usage. Even if you buy little electricity from the grid, you pay a substantial standing fee, which offsets the savings from your solar generation.
How much did the fixed charge for Homepower 4 increase?
The fixed monthly component for the Homepower 4 tariff increased by 88%, rising from R192.90 to R362.70 per month. This is a near-doubling of the standing charge, impacting customers who pay this fee even if their consumption is zero.
What happened to inclined block tariffs?
Eskom has abolished inclined block tariffs for Homelight 20A, Homelight 60A, and Homepower 4. Previously, initial consumption blocks were cheaper. Now, flat energy rates apply, meaning every kilowatt-hour is charged at a single rate, which is higher for low-consumption users compared to the old subsidized first blocks.
How have peak times changed for time-of-use tariffs?
For time-of-use tariffs like Homeflex 4, the morning peak period has been reduced from three hours to two, but the evening peak has expanded from two hours to three. Additionally, a new two-hour standard period has been introduced on Sundays, altering when households should schedule high-energy appliances.