Fully agree. They are getting cheaper but with the systems need to switch and allow off grid 'reliable' supply if grid fails its is neither cheap or easy with out very good planning. I had a goodwe hybrid inverter which was great to 5000w or a little over. Work was at start up over and this crashed. At home a kettle, Microwave and a few other items all at once can go over 5000w.
Hybrid inverters are the cheapest way to have a grid failure protection. "a hybrid inverter (sometimes referred to as a multi-mode inverter) is an inverter which can simultaneously manage inputs from both solar panels and a battery bank, charging batteries with either solar panels or the electricity grid (depending on which is more economical or preferred). Their capabilities may go beyond this however – some devices also handle inputs from wind turbines, generators and other power sources."
Going to put my old hybrid one at home as soon as a storage option to store my PV is affordable. Not after a gov hand out but assume they will be tossing money at home storage as usual.
Rather than aiming for a $1500 profit, maybe resize to break even.
They are proposing more panels than the capacity of the inverter, so there is room to downsize.
LG and Fronius are top quality but there is plenty of mid-range which is cheaper and does a good job.
Suggest you get a range of quotes.
You might get 15 c/Kw hour rebate if you shop around.
Daily chores which use power, such as washing and drying, should be moved to the daytime so the power is free solar.
Have you investigated federal and state solar grants?
I've never done a powerwall1, done a few powerwall 2's, and i must admit, they are pretty impressive, can use any inverter too which is good.
The first powerwall would work in a blackout, you just needed to use the correct inverter and black out relay. The powerwall 2 can use any old inverter as the tesla gateway controls it all grid or no grid.
Nice, but costly, unfortunately
Yes, and the doubling of capacity for the same price was pretty cool too.
Have you seen this?
Tesla Powerwall 2 AC – Lithium Ion Battery Test Centre
Lithium Ion Battery Test Centre – Independent battery performance testing by ITP Renewables
Reports – Lithium Ion Battery Test Centre
Arapiles
2014 D4 HSE
We went with a smaller electrician from Flagstaff Hill. His price was around about the same as the larger companies but the customer service and after sales is excellent. No regrets
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