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I have contacted Enphase. They are going to send out an update to the Envoy that I have and also to the M215 microinverters to adjust the tolerances for current and frequency fluctuations. They said that have had trouble with Powerwalls causing enough of a frequency fluctuation when they come...

Thanks for the expert advice. I'll try to convince Tesla to have somebody do those checks.

Yes, they are all on the same branch\/circuit. Good advice about shutting those down for now.

Will do. Thanks.

OK, I accessed the Envoy event log. All eight inverters are reporting the following three events at the time power production from those inverters shuts down: at 11:53AM : AC Frequency Out of Range: Set AC Voltage Out of Range - Phase 1:Set Grid Instability: Set At 12:38 PM, the following...

Both the Powerwall software and the Envoy are showing the same power dropoff. I'll try to find the Envoy error message. I'm not finding any on the Enlighten website.

Not sure how to find that.

Good suggestion, but both the Tesla app and the Enlighten monitoring program are showing a power dropoff at the same time, so I think it's not a communication issue. I haven't found anywhere on the Enlighten site where it is reporting an inverter error. It just shows the power going to zero on...

I agree that a frequency problem is a longshot, given that most of the inverters are behaving normally.

I'll check with Tesla Tech about adjusting the frequency. I'll verify that they have specified the right solar inverter in their setup. Yes, you would think that any problem with the Powerwall frequency would affect all the inverters, not just those on the one string. And if it was an inverter...

No indication from Enphase as to why the units are going offline. I did check back several weeks and verified that the outages only began after the Powerwall installation. Very mysterious...

I just got 2 Powerwalls and a Gateway 2 installed last week. I had an existing 22 panel, 5.7 kw solar system with Enphase M215 inverters. The panels are arranged in two strings - one with 14 panels and one string with 8 panels. These two strings feed into a subpanel with two 20/2 circuit...

That sounds like an easy fix. Hope it works. I think the funds should still be there for the applications already submitted, even if they have not gotten the final approval. There was still $20 million showing as available last week, so it disappeared fast.

I got the same error message on my SGIP Resiliency application (submitted by Tesla) to PG&E last week. I believe the purpose of the question about isolation of critical loads on the application form is just to make sure that the customer is aware of whether the critical loads are isolated or...