Installing Solar Panels On A Home In Australia

Installing Solar Panels On A Home In Australia

Here is how to D.I.Y video showing a team installing a solar pv system on a home in Australia. Everything you need you need to know to install a small ( or large ) system on your house. Even if you dont live in Australia.

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Enjoy the video.

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2 Comments

  • Mark Lyons says:

    How to videos are good but promoting this sort of practice with poorly designed and installed components is a reason many people lose faith in solar. Paralleling batteries like this doesn’t work very well (each battery will have different resistances and electricity always follows the path of least resistance) as one will do all the work and the other battery will mostly be a load on the good battery. But the main mistake with this system is the fridge which is an absorpsion type that will use up to 4 times the power of a compressor fridge. Actually that little camp fridge will use more power than most full size domestic fridges. Those 85 watt panels in this application are probally rated around 4 Amps so instead of 85 watts time 4 = 340 watts you have 4 Amps times 4 times 12 volts = 192 watts if add a battery efficiency of 80% (with these batteries in parallel like this it’s probably closer to 50-60%) to this we are down to around 154 watts. If we multiply this by our available sun hours (average southern australia is 4 hours approx) 154 x 4 = 612 watt hours of usable solar generation per day. (An absorpsion fridge such as this will consume
    So with a load that has a constant current draw of over 4 Amps at 12 volts it will flatten the batteries within hours of the sun going down.
    Of less importance is the panels are all connected together without any fusing to protect the panels from each other. This is required with 3 or more panels in parallel.
    Although this system runs at Extra Low Voltage which means no electrical licence is required to make these connections it still must comply with Australian standards and be safe. No sign of fusing on the battery or anywhere else is dangerous with those batteries capable of a short circuit current of over 1000 Amps. With this coupled to a likely to fail, modified square wave inverter not sine wave as you claim you are asking for trouble.
    Finally by providing this information on a public forum like this that allows incompetent people to repeat your mistakes makes you liable for them when a failure takes place. This happened to Middys a few years back and they were sued for 100s thousands of dollars.
    This system could easily burn your house down.

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