[RE-wrenches] Enphase and Tesla Powerwall

[Christopher Warfel]

Most people I have communicated with say the Tesla battery solution is 
extremely hard to obtain, and there are other options out there.  Tesla 
never responded to any of my inquiries.

Does Enphase even have a battery option that they sell?   My vendor says 
no, yet that seem to surprise the Enphase Technical Support people. I 
forwarded to them the vendor email regarding this, and Enphase has not 
responded.   I have four projects that have asked me to look at a 
battery solution.  Chris

On 7/25/2019 2:49 PM, August Goers wrote:
> No, we haven't done any zero export. I guess both the Powerwall and 
> Enphase systems would need to be independently programmed for zero 
> export? I should add a caveat - all of our IQ7 systems have been the 
> SunPower branded Equinox type, not Enphase. The main difference being 
> that Enphase would use their envoy box and SunPower uses the PV 
> Supervisor 6.
>
> August
>
>
>
>
> On Thu, Jul 25, 2019 at 10:53 AM Marco Mangelsdorf 
> <marco at pvthawaii.com <mailto:marco at pvthawaii.com>> wrote:
>
>     Sounds encouraging, August. Mahalo.
>
>     Are any of those systems zero export by any chance?
>
>     marco
>
>     On Thursday, July 25, 2019, August Goers <august at luminalt.com
>     <mailto:august at luminalt.com>> wrote:
>
>         Hi Marco - We have dozens of systems with this combo, so far
>         no problem. Tesla's AC coupling mechanism in general seems to
>         be very robust - we've paired them with many inverter types
>         and brands, and they always seem to couple up during our
>         grid-off tests. Since the vast majority of our systems are
>         grid tied, the real test will be how they will work over the
>         long haul if we have major grid outages - who knows if and
>         when that might happen. I've been in PG&E territory in the Bay
>         Area for about 15 years and can only recall one or two short
>         (less than one hour) power outages.
>
>
>         August
>
>
>
>
>         On Thu, Jul 25, 2019 at 7:58 AM Marco Mangelsdorf
>         <marco at pvthawaii.com <mailto:marco at pvthawaii.com>> wrote:
>
>             Aloha,
>
>             I’m thinking about combining the Enphase IQ 7 micros with
>             a Tesla Powerwall or two.
>
>             Anyone out there try this?  With bueno or not so bueno
>             results?
>
>             Mahalo,
>             marco
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