In this episode of the Jaco 2 podcast, the conversation focuses on one of the most pressing financial and practical challenges facing South African households: electricity reliability and the interest in solar and backup power systems. The options and technical terminology can often feel overwhelming.
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The discussion begins by clarifying the three main types of systems available. Standby systems consist of an inverter and battery and are primarily used to provide backup power during outages.
Grid-tie systems use solar panels to generate electricity that feeds directly into the grid, helping to reduce electricity costs but offering no backup during power cuts.
Hybrid systems combine solar panels, batteries, and an inverter, allowing households to use solar power during the day, store energy in batteries, and maintain backup power during loadshedding.
In all of these systems, the inverter plays a central role as the component that manages and converts power between the grid, batteries, and household appliances.
Safety and legal compliance are emphasised throughout the discussion. Our expert guest warns strongly against unsafe practices such as using so-called “suicide plugs” to feed electricity directly into a distribution board. This method bypasses critical safety mechanisms like earth leakage protection and is both illegal and dangerous.
Proper installations must comply with regulations and require a valid certificate of compliance (COC). However, he also notes that a COC only confirms minimum safety compliance and does not necessarily guarantee that the system has been optimally designed.
For systems connected to the municipal grid or Eskom supply, registration is mandatory. Approved systems must use certified inverters equipped with anti-islanding protection to prevent electricity from feeding back into the grid during outages, which could endanger utility workers.
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The episode also provides practical guidance on selecting quality components. Tier 1 solar panel manufacturers are recommended due to their integrated manufacturing processes and consistent reliability. For inverters, well-known brands such as are discussed as examples of high-quality options.
Typical household electricity consumption ranges between 20 and 40 kWh per day. A common hybrid setup – for example, a 5 kW inverter with a 5 kWh battery and around 4.4 kW of solar panels – can cost roughly R80 000 to R90 000 and may reduce electricity bills by around 50% when combined with sensible energy management.
The episode concludes with a key message: solar is not simply about technology – it is about smart planning, safety, and choosing the right installer. As the hosts emphasise, when it comes to solar installations, cheap solutions can quickly become expensive mistakes.
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*This podcast is recorded in Afrikaans.
