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Net metering rejection notes: help?

I am thinking they want an RSD button that will shut down the batteries as well as the inverter and solar panels. I don't remember what batteries you have but the EG4 batteries and inverter can do this automagically.
 
Quattrohead said:
I am thinking they want an RSD button that will shut down the batteries as well as the inverter and solar panels. I don't remember what batteries you have but the EG4 batteries and inverter can do this automagically.
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Sol-Ark and SOK, it’s all code compliant and an RSD button is installed.

Maybe it just wasn’t clear. I’ll take that blame.
 
Watts Happening said:
I re-submitted this morning, I suppose the line diagram I submitted to the city didn’t clearly notate that the Sol-Ark has internal AC and DC breakers, I’d have expected them to not only know that, but also derive that information from the spec sheet they required for the inverter (guess they didn’t read it?).

I also made sure to show the rapid shut down button as well as include a photo.

Still no idea on the BSET portion, I asked for clarification. Should have an idea in the next “7-10 business days”
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If you didn't show it clearly, how would they know? They are not in the business of knowing what options are provided with the equipment you buy. Show it correctly on a one-line or hire someone to draw it.

Just my 2 cents after 40 years of furnishing one-line drawings in the permitting process.
 
Mike 134 said:
If you didn't show it clearly, how would they know? They are not in the business of knowing what options are provided with the equipment you buy. Show it correctly on a one-line or hire someone to draw it.

Just my 2 cents after 40 years of furnishing one-line drawings in the permitting process.
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I would expect the same diagram that the city approved to work for the power company.

Both applications included all parts used, including the RSD button and inverter spec sheet.

The inverter spec sheet clearly indicates it has both AC and DC breakers.

The included picture of the breaker panels, transfer switch and RSD button seemed relevant too.

The city wanted the diagram to include “current carrying conductors”, thus, my diagram had those and not a cat6 wire running outside.

Again, I’ll take the blame, but this all seems a bit petty.
 
Quattrohead said:
So the RSD button turns the panels off, inverter off AND trips the battery breakers off ?
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To state it bluntly, I’m not positive and won’t be home for another week to check.

My understanding of what they wrote is they want an AC disconnect between the battery and transfer switch. Personally, that’s a bit confusing as nothing of the sort exists in the real world, however the inverter does have breakers for both, so I can’t imagine that NOT sufficing. You want an AC breaker, you got it, you want a DC breaker, you got it.

As ignorantly as this sounds, the RSD button on my inverter accomplishes everything all of the UL certifications require. I’d argue the Sol-Ark 15k is about as certified as they get, and also as well known as they get.

That isn’t to say it’s better or worse than anything else, just that I’m not trying to do something that hasn’t been done before.
 
I know it can look difficult, and obviously can't happen while you are on vacation, but try stopping by and asking for the proper department. Be civil, throw yourself on their mercy, and see if you can find someone to explain the process to you.
 
Quattrohead said:
So the RSD button turns the panels off, inverter off AND trips the battery breakers off ?
Click to expand...
Dunno about the SolArk, but the EG4 ESS does all of that. [Not sure if it trips the battery breakers or just shuts the batteries off, but potato, potato, I would claim it does and let them prove otherwise.]
 
wpns said:
I know it can look difficult, and obviously can't happen while you are on vacation, but try stopping by and asking for the proper department. Be civil, throw yourself on their mercy, and see if you can find someone to explain the process to you.
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Oh I’m more than happy to do that, typically you find that they hate the process just as much but are bound by whatever rules their overlords have set in place.

That said, in my original AND revised application I include notes as well as a PDF kindly explaining I wouldn’t be shocked if I got something wrong, if there is anything I can do to help or get through this more smoothly to please call me etc.

We’ll see though, maybe it’s a simple revision and I’m off to the races.
 
wpns said:
Dunno about the SolArk, but the EG4 ESS does all of that. [Not sure if it trips the battery breakers or just shuts the batteries off, but potato, potato, I would claim it does and let them prove otherwise.]
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This combo of Sol-Ark/SOK batteries is UL9540 and all that jazz, I think it checks every box imaginable, probably very similarly to the EG4 setup.

I doubt if either physically trip breakers, not only would that be a wild thing to accomplish, but you’d effectively have no way to restart the system without manually resetting all breakers.
 
wpns said:
Dunno about the SolArk, but the EG4 ESS does all of that. [Not sure if it trips the battery breakers or just shuts the batteries off, but potato, potato, I would claim it does and let them prove otherwise.]
Click to expand...
It does, as seen in their video about it and as seen in my own garage 😁

Watts Happening said:
I doubt if either physically trip breakers, not only would that be a wild thing to accomplish, but you’d effectively have no way to restart the system without manually resetting all breakers.
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That is exactly what "they" are looking for.
 
Quattrohead said:
It does, as seen in their video about it and as seen in my own garage 😁


That is exactly what "they" are looking for.
Click to expand...

Does it trip the breaker over the battery communication buss? or is it actually throwing up a short across the battery connections? The former seems easy enough done and the latter seems dangerous?
 
Watts Happening said:
I doubt if either physically trip breakers, not only would that be a wild thing to accomplish, but you’d effectively have no way to restart the system without manually resetting all breakers.
Click to expand...

If RSD trips breakers, not a bad thing that it requires manual reset.

I've got LG RESU-10H with Sunny Boy Storage. The LG battery is actually 150V with bidirectional DC/DC converter to 400V. There is a breaker for the output ganged to a pole with remote trip. If it is turned on and there is no one to talk to, it eventually turns itself off.

The battery breakers sold by Midnight (Carling Tech?) are available with or without remote trip.


A 48V battery with breaker turn turn itself off, and BMS could turn off output. Whether or not that is integrated with the inverter to provide RSD of battery output is another question.

I guess I'll be finding out if a separate disconnect is required between battery and inverter when I permit and install it. I intend to put the (explody) battery somewhere it can do no harm and planned to have inverter at house. But I should be able to avoid RSD, if that is required, keeping inverter away from house.
 
Quattrohead said:
Yes.
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WOW, you mean one of them is correct????? I would have never ever in a million years guessed that. Thank you SOOOO much for your insight and wisdom in this matter.

I am so excited my wife is going to wet her plants.

And now I feel stupid for the over excited response, now that I reread what you quoted. I thought you were messing with me.
 
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