The latest issue of EasyDIY magazine has an article on photovoltaic roof tiles. These roof tiles can replace your existing roof tiles or can be placed over your existing roof, and with enough tiles, it can produce enough electricity to power almost everything in your house except the geyser, which can be solar powered by itself.
The tiles need a strong roof, because they are heavier than normal tiles, and of course they need to face the sun where there are no trees so that they can make maximum use of the suns rays. Another thing to consider is that they have to be washed every few months, and they also have a lifespan which means they have to be replaced at some stage.
According to the article, the overall cost of the PV tile installation would be R50 000, but they don’t actually say how many tiles this would be, and if it includes things like batteries, wiring and converters.
If it would take you off the grid, it might be a good option to look at.
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