A typical 5kW system now costs between R120,000-R220,000 installed. Wait, no – that's before considering the new City of Cape Town rebates announced last month. Roof orientation matters more. With Eskom's recent 15% tariff hike and load shedding still disrupting daily life, over 23,000 Western Cape homes installed solar systems last quarter alone. Understanding these elements will help you budget effectively. With the increasing cost of electricity and more frequent power cuts, households have had no option but to turn to more sustainable alternative energy sources. We supply and install bespoke solar inverter systems based on what. System Pricing varies depending on the equipment used and the size of the system but the following examples are a good indication for budget purposes: 5kW SunSynk Inverter, 5kWh SunSynk Lithium battery with 6 x 550W solar panels: R105k ex VAT 8kW SunSynk Inverter, 14kWh SolarMD Lithium battery with. Complete guide to solar energy in Cape Town.