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Sun + Roof = Power

The sun radiates a huge amount of energy. In fact, it produces enough energy in one hour to light 2,880 trillion light bulbs. 

Given the rising cost of electricity, the ever-depleting sources of fossil fuels and the unstable electricity supply in South Africa, harnessing the power of the sun makes a huge amount of sense. 

With most areas in South Africa averaging 6 hours of sunlight per day, the most effective way to do this is by using solar Photovoltaic (PV) panels on the roof of a building. These panels are made up of lots of cells, which convert sunlight into electricity. On average, they last for 25 years and generally maintain 90% efficiency over this period. 

So how does it work? 

Rooftop solar PV panels capture photons from the sunlight and converts them into a direct current (DC). This DC is passed through an inverter to produce the alternating current (AC) that is required to power electrical appliances. From here it heads to the building’s distribution board, where it is fed through to the various outlet points to be used instead of conventional, grid based electricity. A battery can also be installed into the system to allow any excess electricity produced during the day to be stored and used during the night.  

The overall cost of a solar PV system is dependant on the size that you require. The WhichSolar calculator can help you find out the estimated cost of a PV system that suit your needs, and it will show you how much you can save on your electricity bills. 

Click here to see if switching to solar can save you money.

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