[RE-wrenches] Two systems on one building with separate services

[Brian Teitelbaum]

Nathan,

What is the distance between the buildings, and where are the utility meters located?

What are the sizes of the Services? 200A?

Can both buildings be powered from a single Service? Why is the workshop metered separately?

Brian Teitelbaum
AEE Solar

From: re-wrenches-bounces at lists.re-wrenches.org [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Nathan Charles
Sent: Friday, March 14, 2014 12:05 PM
To: RE-wrenches
Subject: [RE-wrenches] Two systems on one building with separate services

Hi Wrenches,

I've got an issue that's got me stumped and I was hoping somebody could give me some suggestions.

We have a customer who has two meters, one on the house and one on a workshop.  The workshop is heavily shaded and it's zoned residential so meter aggregation isn't a possibility.   The customer is hoping to put two separate PV systems on the house one for each meter with the inverters mounted in the garage.  It seems like that sets me afoul of the intentions of 230.2 Number of services, but if I remote one set of inverters and run DC I'm not quite sure how to think through the disconnecting requirements.

Any advice or suggestions on if or how this might be possible?

--
Nathan Charles
Engineer
NABCEP Certified PV Installation Professional #042013-20
Paradise Energy Solutions

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