[RE-wrenches] Hawaiian Tie in

Dana Orzel dana at solarwork.com
Tue Aug 8 08:11:33 PDT 2023


Oh Wise folks!

Attached is a wire schematic please review. & feel free to possibly use 
for yourself in the future.

I am in a bind with an interconnection where I have an apartment 6 pack 
meter  box with all 120-240v/100 amp breakers & assumed 100 amp busbars. 
The apts. were a mid 1970's original build.  There are 4 apartment with 
1 circuit/meter each & 1 house circuit/ meter for owners use.The breaker 
boxes are Sylvania (yuck). Originally I assumed a larger busbar due to 6 
- 100 amp breakers & this was not the case. We all know about assuming...

I consulted with W-2 who had assisted my lead installer in in the past 
from UT. He sent the following & though it makes sense to me, the 
utility is asking how I can have a 225 amp panel behind a 100 amp 
breaker. My response was that all we are doing is  achieving a properly 
sized bus bar to accommodate the back feed.

My Utility Idaho Power requires  interconnection with a meter that has a 
load on it. Solar only meters are not allowed. This is for the owners 
loads only & he has 1 meter per apt complex at 100amps each.

I am wondering if any of you have used this connection adaption to 
achieve a larger array connection & how it went?

-- 
Dana Orzel Great Solar Works, Inc. C - 208.721.7003 dana at solarwork.com 
Idaho Contractor - # 028765 Idaho PV # 028374 "Responsible Technologies 
for Responsible People since 1988"
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