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Small.....but one of 220,000!! #195590 08/12/10 10:09 PM
Joined: Apr 2002
Posts: 7,233
HotLine1 Offline OP
Member


Our POCO (PSE&G) is installing approx. 220,000 of these single panel PV units. They are grid tied only.

[Linked Image]

Last edited by HotLine1; 08/12/10 10:45 PM. Reason: Insert pic thanks to Gfretwells guidance..

John
Tools for Electricians:
Re: Small.....but one of 220,000!! [Re: HotLine1] #195594 08/12/10 10:30 PM
Joined: Jul 2004
Posts: 9,569
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gfretwell Offline
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What is the output?


Greg Fretwell
Re: Small.....but one of 220,000!! [Re: gfretwell] #195596 08/12/10 10:35 PM
Joined: Apr 2002
Posts: 7,233
HotLine1 Offline OP
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Greg:
The specs are supposed to be in my office by Monday or Tuesday at the latest. It's a micro inverter, and tied into the triplex 120/240 or 120/208 secondary on the poles.

FYI, I've had a few townsfolk call up to inquire, and a few asking if 'they have permits', and one who screamed 'what ..... approved that?'



John
Re: Small.....but one of 220,000!! [Re: HotLine1] #195599 08/12/10 11:47 PM
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HotLine1 Offline OP
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Greg:
They are 200 watt panels, info and specs are at

www.Petrasolar.com



John
Re: Small.....but one of 220,000!! [Re: HotLine1] #195602 08/13/10 12:29 AM
Joined: Jul 2004
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gfretwell Offline
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It is an interesting experiment. From what you said about your electric rates it will save about 20 cents a day


Greg Fretwell
Re: Small.....but one of 220,000!! [Re: gfretwell] #195605 08/13/10 10:06 AM
Joined: Apr 2002
Posts: 7,233
HotLine1 Offline OP
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That .20 cents a day, times 220k panels equates to about $44k. But, it's not saving me; it's all POCO (PSE&G) owned.



John
Re: Small.....but one of 220,000!! [Re: HotLine1] #195607 08/13/10 12:13 PM
Joined: Jul 2004
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gfretwell Offline
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If you are a customer, it is still your money.
My guess is those panels are about $1700 each retail based on my shopping but I am sure PSE&G got a price break buying close to a quarter million of them. Too bad they weren't made in the USA. We could use the jobs.

I read the white paper about the "Up" system but I am curious how they know if each unit is working. Driving around checking them manually will gobble up that profit pretty fast.
They do talk about remote communication but it was not clear what that does. Is it remote metering?


Greg Fretwell
Re: Small.....but one of 220,000!! [Re: gfretwell] #195609 08/13/10 01:40 PM
Joined: Apr 2002
Posts: 7,233
HotLine1 Offline OP
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Greg:
I noticed on some units a device mounted underside of the panel with an antenna, which I think is some type of wireless comm. This may be what they show on the mfg site.

These devices are 'utility' owned & installed, so I have no Twp info. However within the next 2 weeks, I expect to have some 'un-official' data from my POCO contacts.

The other panels at the 'Big' site are from another mfg.



John
Re: Small.....but one of 220,000!! [Re: HotLine1] #195612 08/13/10 05:09 PM
Joined: Jul 2004
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gfretwell Offline
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I suppose they call home every once in a while with performance data. That is really the only way to know they are working without going up the pole.


Greg Fretwell
Re: Small.....but one of 220,000!! [Re: gfretwell] #195618 08/13/10 09:56 PM
Joined: Apr 2002
Posts: 7,233
HotLine1 Offline OP
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Thinking about it...IF each panel has a comm device.....that has to jack the unit cost up at or near $1k with the mounting hardware, wouldn't you think??

220k panels @ $1000 is $220,000,000, that's a tough nut!


John
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