City of Cape Town (CoCT) electricity tariff 2025/26
City of Cape Town · Cape Town metro including Bellville, Mitchells Plain, Somerset West, Paarl · Last updated: 2025-07-01
2025/26 tariff
R3.21/kWh
2024/25 tariff
R2.95/kWh
Year-on-year increase
+8.8%
City of Cape Town (CoCT) residential block tariff structure 2025/26
CoCT has the highest residential electricity tariff in South Africa. The steep block tariff means high-consumption homes pay up to R3.74/kWh — making solar highly attractive. CoCT also has a Small-Scale Embedded Generation (SSEG) programme allowing grid export.
| Usage band | Rate (incl. VAT) | Monthly cost for band |
|---|---|---|
| 0–150 kWh | R2.4100/kWh | R361.50 |
| 150–600 kWh | R3.2100/kWh | R1444.50 |
| 600+ kWh | R3.7400/kWh | — |
Historical tariff increases
| Financial year | Rate (residential) | YoY change |
|---|---|---|
| 2025/26 | R3.2100/kWh | +8.8% |
| 2024/25 | R2.9500/kWh | +8.1% |
| 2023/24 | R2.7300/kWh | — |
Avg annual increase: 8.5% (3-year average). Eskom national average: ~12%/yr since 2010.
How solar reduces your City of Cape Town (CoCT) electricity bill
At R3.21/kWh average (or up to R3.74/kWh in the top tier), Cape Town has the best solar ROI in SA. A 5 kW system saves R1,926/month on average — more for high-bill households. SSEG net-metering credit adds R0.85/kWh for exported energy.