Free tools · From NERSA’s 2026/27 decision · Northern Cape
How many units for R100 in Umsobomvu?
R100 buys 42.0 kWh of prepaid electricity in Umsobomvu at the start of the month, VAT included, on Umsobomvu’s prepaid tariff for homes, Domestic prepaid. 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 23.5 kWh.
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- 42.0 kWhFor R100at the start of the month
- 174.4 kWhFor R500at the start of the month
- 23.5 kWhFor R100 lateronce you’ve bought 350 kWh
- NoneFixed chargeall your money buys units
What R50 to R1,000 buys in Umsobomvu
Domestic prepaid42.0 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 pay | Start of month | After 350 kWh |
|---|---|---|
| R50 | 21.0 | 11.7 |
| R100 | 42.0 | 23.5 |
| R200 | 76.4 | 46.9 |
| R300 | 109.1 | 70.4 |
| R500 | 174.4 | 117.3 |
| R1,000 | 337.7 | 234.6 |
| Units this month | Price a unit | R100 buys |
|---|---|---|
| First 50 kWh | R2.38 | 42.0 kWh |
| 50 to 350 kWh | R3.06 | 32.7 kWh |
| 350 to 600 kWh | R4.26 | 23.5 kWh |
| Above 600 kWh | R5.03 | 19.9 kWh |
No fixed charge: all of your money buys units. 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, Umsobomvu sells electricity in blocks that start again on the first of every month. The first 50 kWh each month cost R2.38 a unit, VAT included, and the price goes up in steps after that, to R5.03 a unit above 600 kWh.
So R100 buys 42.0 kWh at the start of the month, but only 23.5 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.
Elsewhere in the Northern Cape
- !Kai !Garib22.4 kWh
- Upington (Dawid Kruiper)22.4 kWh
- Dikgatlong27.8 kWh
- Emthanjeni45.3 kWh
- Ga-Segonyana37.8 kWh
- Gamagara44.9 kWh
- Hantam23.7 kWh
- Joe Morolong20.8 kWh
- Kamiesberg24.7 kWh
- Kareeberg41.8 kWh
- Karoo Hoogland18.9 kWh
- Kgatelopele50.7 kWh
- Khâi-Ma20.0 kWh
- Magareng41.0 kWh
- Nama Khoi41.1 kWh
- Phokwane40.6 kWh
- Renosterberg41.4 kWh
- Richtersveld30.8 kWh
- Siyancuma31.3 kWh
- Siyathemba29.4 kWh
- Kimberley (Sol Plaatje)31.5 kWh
- Tsantsabane40.1 kWh
- Ubuntu39.9 kWh
Units for R100 at the start of the month, VAT included.
- A month’s electricity bill in UmsobomvuLine by line
- Umsobomvu: the municipalityWards, water
- Every municipalityUnits for R100
Source: NERSA decision, page 20, Umsobomvu’s tariffs for 2026/27, from 1 July 2026. Worked out for November 2026. In parts of most municipalities, Eskom supplies homes directly.