Hey Jay,
Yes so you were on to it - but with the addition of having that
downstream of a separate 200 AMP meter box and 200 A Main that works :)
Otherwise PG&E would call it a 400 Amp service which for commercial
accounts means having to have CTs for the metering.
Thanks!,
Jeff
Jay wrote on 10/17/19 3:38 PM:
What about installing a 200 amp breaker in the 400 amp buss box?
We talk a lot about doing it for smaller boxes, is there a reason it
won’t work here?
Jay
Peltz power
On Oct 17, 2019, at 1:30 PM, Glenn Burt <[email protected]> wrote:
Hi Jeff,
Seems to me if allowed in your jurisdiction, you might be best served
by installing a new 200A fused service disconnect ahead of the
existing main service panel. Or even a 400A one to allow for
additional work inside (CT’s), then perform a supply side connection
in it. Some manufacturers of switchgear have an option for lugs that
accept multiple conductors, so no piercing of conductors needs to happen.
Good luck,
Glenn
*From:*RE-wrenches <[email protected]> *On
Behalf Of *Jeff Clearwater
*Sent:* Thursday, October 17, 2019 3:20 PM
*To:* RE-wrenches <[email protected]>
*Subject:* [RE-wrenches] SolarReady Service Panel vs adding Supply
Side connection?
Esteemed Wrenches,
I am in need of changing out an existing 200 Amp service entrance in
order to accommodate a bus capable of handling a a 200 Amp Solar
backfeed (41 KW system) .
PG&E is upgrading the transformer to handle the backfeed but when I
proposed a Siemens SolarReady 400 Amp service entrance they couldn't
approve it cause since the building is a shop - they classify it as
commercial and require a panel that can handle CTs when there is a
400 Amp service involved.
Anyone else faced with this have solutions? What is the cheapest
equipment I can provide to satisfy all requirements?
We don't need to upgrade the existing 200 amp service entrance
equipment for load purposes - only to meet the bus requirements of
backfeed.
Would it be cheaper and easier to use the existing (or new) 200 Amp
residential panel - not call it a 400 Amp upgrade but simply add a
200 Amp Supply Side Connection? Suggested equipment to do that in the
most economical manner?
Any help well appreciated!
Jeff
--
~~~~~~~~~~~
Jeff Clearwater
Village Power Design
linkedin <https://www.linkedin.com/in/jeff-clearwater-0622a312/>
www.villagepowerdesign.com <http://www.villagepowerdesign.com>
cell - 413-559-9763
~~~~~~~~~~~~~~~~~~~~~~~
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