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3 posts

Wannabe Geek

#275943 17-Sep-2020 17:20
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Two years ago we put a 5.3Kw solar array on the roof of our house.  We have spent two years running around turning on and off various appliances, water heaters, a pool pump and the Jacuzzi as solar power was available.  Luckily we work from home and are around most of the day to do this.


I am tired of running around switching things on and off and want to develop a smart controller to do this automatically.


If any of you have a solar array you might tell me what to do to maximize the use of the available solar power automatically?


Any suggestions would be welcome.








Bert van den Berg


New Zealand









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101 posts

Master Geek

  #2567093 17-Sep-2020 18:34
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I'd be checking if someone else has already done the hard yards integrating your inverter model with Home Assistant.
This sounds like the type of thing you're after?

431 posts

Ultimate Geek

  #2567175 17-Sep-2020 20:45
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At a minimum you should have a solar diverter for hot water installed, so any excess energy goes towards your HWC. Assume you have also minimized your power usage by replacing all lights with LED too.





3 posts

Wannabe Geek

  #2567495 18-Sep-2020 13:53
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Thank you for your reply.


That system relies heavily on you having a battery.  With a battery it is a lot easier to capture the available power and not waste any sending to the grid.


We do not have a battery as they are still very expensive and require a special battery charger.











431 posts

Ultimate Geek

  #2567607 18-Sep-2020 14:22
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Solar Diverters do not require a battery to work, on the contrary they are more of an alternative to running batteries (expensive)


You get paid diddly squat sending back to the grid, so a diverter setup to feed excess power to your HWC will be highly effective, as heating is one of the larger costs of powering your home.





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