Reading the electricity bill after the 2026 Eskom increase

An electricity increase reaches a household through a bill with several moving parts. The headline percentage is useful, but it cannot explain the final total on its own.

Eskom’s implementation statement records an average 8.76% increase for direct customers from 1 April 2026 and an average 9.01% increase for municipal bulk purchases from 1 July. These are the 2026/27 changes. A municipal household needs the municipality’s customer tariff to establish its own charges.

The distinction between supplier, tariff and consumption becomes especially important when a household has installed solar, reduced its usage or changed the way it buys electricity.

Identify who supplies the property

Begin with the account. An Eskom-supplied household and a municipally supplied household may have different tariff arrangements even when they sit within the same broader area.

Eskom’s tariff information groups customers into residential, urban, rural, municipal and generator categories. Its residential offerings include Homelight, Homepower and Homeflex. The name on the account tells you which detailed schedule you need to read.

Do not choose a tariff because the name sounds familiar or a neighbour uses it. Start with the one actually assigned to the property, then obtain an explanation from the supplier if it appears wrong or unclear.

Separate the fixed part from the usage part

A fixed charge is payable under the tariff’s terms regardless of how much electricity is consumed during that period. A usage charge depends on the units consumed and the rate that applies to them.

Eskom’s 2026/27 explanation describes increases in fixed service and administration charges for affected Homepower and Homeflex categories, with corresponding adjustments reducing energy rates. That means the bill’s structure changes as well as its overall price level.

Two households can therefore experience the same tariff change differently. A household using little electricity has fewer units over which to spread its fixed charge. A household using more electricity pays more in the variable portion, though the precise result depends on the schedule.

An illustration makes the relationship visible. Imagine a fictional tariff with a R300 monthly fixed charge and a usage rate of R2 per unit. At 200 units, the total would be R700. At 400 units, it would be R1,100. The average cost per unit, including the fixed charge, would be R3.50 in the first case and R2.75 in the second.

Those figures are deliberately illustrative and are not an Eskom tariff quotation. They show why dividing the full bill by units purchased can produce a changing average even under the same rate structure.

What the percentage means in rands

If an illustrative R1,000 monthly charge rose uniformly by 8.76%, it would become R1,087.60. Over twelve months, the additional amount would be R1,051.20.

That calculation shows scale. It is not a substitute for applying the actual tariff components to a household’s consumption. Where fixed and usage charges change differently, a uniform percentage cannot reproduce every customer’s bill.

The same caution applies when comparing a municipal bulk increase with a household account. The municipality buys electricity under one arrangement and bills its end customers under its own approved schedules. The final household change must be checked there.

After solar or lower consumption

A household may successfully reduce the electricity it buys while retaining costs associated with its connection. That is why savings should be assessed against both parts of the account.

The useful comparison is the bill before and after the change, with consumption and tariff differences separated. A lower usage total may show that the household is buying less power, while a higher fixed component limits the reduction in the final amount payable.

When considering a future installation, ask the supplier and a suitably qualified installer about the applicable connection and tariff requirements. Include those recurring charges in the calculation. A quotation for equipment and a prediction of units saved do not, by themselves, describe the whole household cost.

A practical statement check

Place two accounts side by side and work through the same items in order: billing period, tariff name, meter readings or recorded purchases, units, usage rates, fixed charges and any adjustments or arrears.

A longer billing period can distort a quick comparison. An adjustment can make one month unusual. A change in consumption can be mistaken for a price increase if only the final total is considered.

Where something does not make sense, ask about the specific line. A query identifying the tariff, period and disputed component is easier to answer than a general complaint that the bill is too high.

The household still has to live with the total

Understanding the structure will not make an unaffordable account comfortable. It does make the discussion more precise. The supplier needs to explain what is being charged; the customer needs to be able to see how that amount was reached.

For a pensioner, working household or small business, the final test remains the money leaving the account. A tariff should be readable enough for that person to understand it before the next payment is due.

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