how much does electricity cost per unit in south africa

It depends on your tariff and monthly usage block. This tool uses approximate 2025/2026 planning rates and adds 15% VAT to estimate your effective cost per kWh.

eskom tariff rates 2026

Tariffs vary by customer category and can change each year. This calculator uses approximate two-block 2025/2026 rates for Homepower 1, Homepower 2, and Prepaid for quick budgeting.

Why does my effective cost per kWh differ from the tariff rate?

Your effective rate includes higher-cost usage above 600 kWh and VAT. If your usage spills into block 2, your blended cost per kWh increases.

Electricity Cost Calculator

Electricity Cost Calculator South Africa

Last updated: March 2026

Estimate your monthly Eskom electricity bill using usage in kWh, tariff type, and a two-block tariff model with VAT.

Calculator Inputs

Monthly kWh usage

Tariff type

Electricity Cost Breakdown

Monthly usage: 500 kWh
Monthly cost (excl VAT): R 875.00
VAT (15%): R 131.25
Total monthly cost: R 1,006.25
Daily average cost: R 33.54
Effective cost per kWh: R 2.01 / kWh

Tariff selected: Homepower 1 (0-600A)

Block 1: 500 kWh at R 1.75 / kWh = R 875.00

Block 2: 0 kWh at R 2.50 / kWh = R 0.00

Estimated Cost of Common Appliances (Monthly)

GeyserR 800.00 - R 1,200.00
Stove/OvenR 150.00 - R 300.00
Washing MachineR 50.00 - R 80.00
TVR 30.00 - R 50.00
LightsR 50.00 - R 100.00

Electricity Cost Calculator South Africa

Calculator Inputs

Electricity Cost Breakdown

Estimated Cost of Common Appliances (Monthly)

Result Actions

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