[RE-wrenches] Combining Multiple Inverters

Jason Szumlanski jason at fafcosolar.com
Tue Jul 1 05:40:55 PDT 2014


As a follow up, once the utility's technical specialist had this explained
to him by the AHJ, he agreed it was fine. He was under the impression that
there would be inverter outputs connected directly to the load side of the
meter without overcurrent protection and without a suitable way for the
utility to turn off the PV system. I didn't go into the fact that they
don't require utility externally accessible disconnects anymore for Tier 1
interconnections. I don't need him to understand... just to allow. :)


Jason Szumlanski

​Fafco Solar​



On Fri, Jun 27, 2014 at 8:44 AM, Jason Szumlanski <jason at fafcosolar.com>
wrote:

>
> A bit off-topic, but we recently had a utility reject a plan to install a
> 320A meter socket with a 200A main distribution panel and a 100A solar
> aggregation panel (with four 20A backfed breakers). The two panels were to
> be fed from double lugs in the meter can. They said this was not allowed -
> they didn't want solar in their meter can. When I pointed out that dual
> 200A load panels are commonly fed this way and this was no different
> because I could just backfeed each 200A panel with two 20A breakers, my
> comment was met with blank stares.
>
>
> Jason Szumlanski
>
> ​Fafco Solar​
>
>
>
>
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