Save on electricity, secure your hot water and have it rebated

With the recent power outages attention is once again drawn to issues relating to the energy-efficiency and energy security of our country.


South Africa was a good investment destination due to its cheap and secure energy supply. This all changed drastically after the rolling blackouts we experienced in 2008 when South Africa’s demand for power exceeded Eskom’s ability to supply.


Fortunately for most South Africans, the global financial crisis reduced the demand of electricity and Eskom started initiatives to encourage the implementation of energy-efficient projects ranging from lighting to solar water heating to heat pumps, photovoltaic and other energy-efficient technology programmes.


These initiatives recognised that it was cheaper to invest in energy-efficiency than in alternative energy generation. Incentives ranged between R4 million and R7 million per megawatt as opposed to new coal power stations at a cost of around R12 million per megawatt to build. However, funding for these initiatives has recently dried up except for Solar Water heating programmes.


Genergy has extensive experience in large-scale and project-based heat pumps, lighting and photovoltaic initiatives as well as solar water heating.


The Solar Water Heating Programme entails an Eskom rebate based on size, efficiency and origin of the solar water heating system. This rebate can be claimed by the purchaser directly or it can be ceded to the supplier/installer.


These are some of the most important factors to consider when choosing a solar water heater:

  1. Ensure that it is SABS-approved and that the suppliers are Eskom and SABS accredited.
  2. Ensure that you have a north-facing roof that is suitably close to where you use your hot water.
  3. Make sure your roof can support a solar water heater.
  4. Your solar water heater installer must be a PIRB registered plumber with a Solar accreditation.
  5. An electrical Certificate of Compliance must be issued with each installation.
  6. Your solar water heater should be sized slightly bigger than your traditional geyser, this is to maximise the solar benefit.
  7. One of the challenges with Solar Water Heaters is that the solar contribution cannot be regulated; unless the hot water is used daily the temperature will continue to rise. It is for that reason that a Temperature and Pressure Relief Valve must be installed to release the build up of pressure.
  8. Expect your hot water electrical consumption to come down substantially, with a payback of around three years.
  9. If your roof is not suitable for a solar water heater, you should consider a heat pump solution.


Genergy’s range of solar water heaters includes 150L / 250L / 300L systems. All our systems qualify for an Eskom rebate and are SABS approved. Give us a call to have yours installed.