Solar panels in Cape Town — save R1,150 – R1,600/month
Cape Town receives 4.9 peak sun hours per day and pays R3.21/kWh for electricity. Get a free, no-obligation quote from SAPVIA-registered Cape Town installers in 90 seconds.
Savings based on 5 kW system, 80% yield factor, 60–85% self-consumption. Methodology
Solar power in Cape Town: the data
Cape Town receives 1,780 kWh/kWp/year of solar irradiance based on PVGIS v5.2 data. This means a well-installed 5 kW solar system in Cape Towngenerates approximately 593 kWh per month.
At the current Cape Town residential tariff of R3.21/kWh, that generation is worth R1,150 – R1,600 per month depending on self-consumption. With average tariff increases of 10% per year, a homeowner who installs today will see their savings grow every year — making solar one of the best inflation hedges available to Cape Town residents.
Cape Town has a population of approximately 4.6 million — one of South Africa's major urban centres in the Western Cape.
Solar system sizes for Cape Town homes
Savings calculated at Cape Town tariff of R3.21/kWh and 1,780 kWh/kWp/year.
Solar FAQs for Cape Town homeowners
Solar in nearby cities
Solar in Cape Town suburbs
Suburb-specific savings estimates based on local PVGIS irradiance data.