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Forum Index : Solar : Scored a Big Battery and Ton of PV!

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InPhase

Senior Member

Joined: 15/12/2020
Location: United States
Posts: 150
Posted: 12:52am 15 Sep 2022
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I'm installing a 17.4 kW off grid system for a remote wedding venue. They bought two pallets of second hand 435 watt panels totalling 54. They only have enough roof space for 40 panels. We purchased two 1700 (or thereabouts) AH forklift batteries for their storage. I managed to work it out with the customer such that they'll purchase an 1182 AH battery for me and I get the 14 extra panels as well!

So I get 28 kWh of storage (at 50% discharge) and 6000 watts of solar! All for a little discount on the labor. It's more than a fair trade if you ask me! I'm as excited as a pig in mud.
Edited 2022-09-15 10:53 by InPhase
 
Godoh
Senior Member

Joined: 26/09/2020
Location: Australia
Posts: 199
Posted: 01:58am 16 Sep 2022
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Sounds like a good score. Panels are getting large now, I have not seen a 435 watt panel but can imagine that you would want to put them up on a windless day.
I have enough trouble with 250 watt panels where I live, as windless days are scarce.
Have fun setting it all up
pete
 
frederm
Newbie

Joined: 15/09/2022
Location: United States
Posts: 2
Posted: 05:06am 19 Sep 2022
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I want to know how much it cost you.
 
InPhase

Senior Member

Joined: 15/12/2020
Location: United States
Posts: 150
Posted: 12:20pm 19 Sep 2022
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  frederm said  I want to know how much it cost you.


I took $9500 off the labor cost of the job.
 
sPuDd

Senior Member

Joined: 10/07/2007
Location: Australia
Posts: 248
Posted: 09:14am 25 Sep 2022
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Nice work InPhase, that should make a real nice setup    
It should work ...in theory
 
Davo99
Guru

Joined: 03/06/2019
Location: Australia
Posts: 1533
Posted: 02:03pm 26 Sep 2022
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  Godoh said  I have not seen a 435 watt panel but can imagine that you would want to put them up on a windless day.


I have some 405W panels and they were a handfull to put up.

I saw a 600w at my suppliers the other day. Was over 6Ft long but still a meter wide.
I doubt I'll be picking up any of those in the future.  I think for 2 men would be a handfull and way over me doing them on my own.

I also have some 360;s which are a bit larger and heavier than the 250s and they are about the limit of what I want to handle.
I don't know if they are going to get any bigger but I would suggest they are sailing pretty close to the viable limit of handling with the size of that monster 600.
 
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