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Free tools · From NERSA’s 2026/27 decision · Western Cape

How many units for R100 in Stellenbosch?

R100 buys 41.4 kWh of prepaid electricity in Stellenbosch at the start of the month, VAT included, on Stellenbosch’s prepaid tariff for homes, 2. Domestic: Regular prepaid, 0 to 60 A single and three phase, less than 600 kWh a month (DOM2). There’s no fixed charge, so all of your money buys units. Units cost more as the month goes on: once you’ve bought 350 kWh, R100 buys 22.9 kWh.

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What R50 to R1,000 buys in Stellenbosch

Stellenbosch has 2 prepaid tariffs for homes that, going by their names, any household can be on. The cheapest for a month of 500 kWh comes first:

2. Domestic: Regular prepaid, 0 to 60 A single and three phase, less than 600 kWh a month (DOM2)41.4 kWhfor R100 at the start of the month

Units (kWh) for each amount, VAT included. Start of month: your first units of the month. After 350 kWh: once you’ve bought 350 kWh this month.

You payStart of monthAfter 350 kWh
R5020.711.5
R10041.422.9
R20075.645.8
R300107.868.7
R500172.3114.6
R1,000333.7229.1
Units this monthPrice a unitR100 buys
First 50 kWhR2.4241.4 kWh
50 to 350 kWhR3.1032.3 kWh
350 to 600 kWhR4.3622.9 kWh
Above 600 kWhR5.1719.3 kWh

It has a fixed charge (basic charge R0.00 a month, before VAT) that comes to R0.00 for November, with VAT. You pay it whatever you use, and your prepaid purchases pay it first. A figure in this tariff looks misprinted in the decision; it’s used as printed. The decision doesn’t say whether its tariffs include VAT; 15% added, as municipal tariffs are usually quoted without it. Source: NERSA decision, page 19.

3. Domestic: Regular prepaid, 0 to 60 A single and three phase, more than 600 kWh a month (DOM3)42.1 kWhfor R100 at the start of the month, plus a fixed R330.84 a month

Units (kWh) for each amount, VAT included. Start of month: your first units of the month, with the fixed charge paid. First buy: the month’s first purchase, if it pays the whole fixed charge before any units. After 350 kWh: once you’ve bought 350 kWh this month.

You payStart of monthFirst buyAfter 350 kWh
R5021.00.011.6
R10042.10.023.3
R20076.60.046.5
R300109.40.069.8
R500175.066.5116.3
R1,000339.1230.5232.5
Units this monthPrice a unitR100 buys
First 50 kWhR2.3842.1 kWh
50 to 350 kWhR3.0532.8 kWh
350 to 600 kWhR4.3023.3 kWh
Above 600 kWhR5.0619.7 kWh

It has a fixed charge (basic charge R287.69 a month, before VAT) that comes to R330.84 for November, with VAT. You pay it whatever you use, and your prepaid purchases pay it first. The decision doesn’t say whether its tariffs include VAT; 15% added, as municipal tariffs are usually quoted without it. Source: NERSA decision, page 20.

Why the same R100 buys less later in the month

On this tariff, Stellenbosch sells electricity in blocks that start again on the first of every month. The first 50 kWh each month cost R2.42 a unit, VAT included, and the price goes up in steps after that, to R5.17 a unit above 600 kWh.

So R100 buys 41.4 kWh at the start of the month, but only 22.9 kWh once you’ve bought 350 kWh that month. Splitting your purchases doesn’t change this: the blocks count every unit you buy in the month, however you buy them.

Other household tariffs

TariffR100 buysFixed a month
1. Domestic: Lifeline prepaid, 0 to 60 A single phase only (qualifying indigent customers, first 100 units free) (DOM1)For households that qualify133.1 kWhNone

Units for R100 at the start of the month, VAT included, with the month’s fixed charge paid. The municipality decides who qualifies.

Elsewhere in the Western Cape

Units for R100 at the start of the month, VAT included.

Source: NERSA decision, page 19, Stellenbosch’s tariffs for 2026/27, from 1 July 2026. Worked out for November 2026. In parts of most municipalities, Eskom supplies homes directly.

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