[RE-wrenches] Availability of Powerwall Batteries

[Chris Mason]

The Sonnen offering is a rebadged and integrated Outback Radian with all
those features. I believe it is 48V.

On Sun, Jan 17, 2016 at 8:43 PM, Peter Parrish <
peter.parrish at calsolareng.com> wrote:

> I know a fair amount about Sonnen. I thought their main thrust was 480
> V/3P & LiFePO4 batteries, and systems for peak demand clipping. Do they
> have a “residential” offering?
>
>
>
> I am looking at 240/120 V split phase. If I can TOU load shifting and
> battery back-up, that will do it for this customer.
>
>
>
> -          Peter
>
>
>
> Peter T. Parrish, Ph.D.
>
> President, SolarGnosis
>
> 1107 Fair Oaks Ave.
>
> Suite 351
>
> South Pasadena, CA 91030
>
> (323) 839-6108
>
> petertor at pobox.com
>
>
>
> *From:* RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] *On
> Behalf Of *Dan Fink
> *Sent:* Sunday, January 17, 2016 11:38 AM
> *To:* RE-wrenches
> *Subject:* Re: [RE-wrenches] Availability of Powerwall Batteries
>
>
>
> Have you looked into SonnenBatterie? To which a number of Tesla execs have
> recently bailed out to work for?
>
> As always with all these new hypey Lithium storage systems, their
> presentations had everything except the information that real Wrenches
> actually need. But I was able to glean the info that Sonnenbatterie works
> with existing 48VDC nominal equipment and input, and 120/240VAC inputs
> also.
>
> Following all the info coming out, but i'd rather let someone else be the
> guinea pig. And, of course, big $$$$ per kWh of storage.
>
>
> Dan Fink
>
> Adjunct Professor, Ecotech Institute
>
> IREC Certified Instructor™ for:
>
> ~ PV Installation Professional
>
> ~ Small Wind Installer
>
> Executive Director, Buckville Energy
>
> NABCEP Accredited Continuing Education Providers™
> 970.672.4342
>
>
>
>
>
>
> On Sun, Jan 17, 2016 at 12:06 PM, Peter Parrish <
> peter.parrish at calsolareng.com> wrote:
>
> I have a residential client who wants a grid tied PV system with battery
> backup. The client wants everything to be top of the line: Sunpower
> modules. Tesla Powerwall batteries.
>
>
>
> Unfortunately, I have been spending time recently researching "smart
> energy storage" for commercial applications focusing on peak demand
> shaving. These are 480 V 3-phase systems with 30 kW inverters and 48+ kWh
> Lithium technology batteries. I think I am beginning to understand the
> performance trade-offs and how these systems can complement PV to reduce
> demand charges as well as usage charges.
>
>
>
> My problem, is that I have not spent as much time researching the newer
> residential GTBB offerings. I have studied the Juicebox offering –
> Schneider XW5548 plus NMC Lithium batteries -- but that’s about it. I don’t
> know the default vendor for the NMC batteries and if not Powerwall, could
> Powerwall be a replacement?
>
>
>
> Otherwise, does anyone know how to access the Powerwall offerings?  Also
> has anyone had success getting a rebate in CA through the SGIP/AES program?
> I know to qualify for SGIP one needs to demonstrate load shifting as
> opposed to (or in addition to BB).
>
>
>
> There seems to be an offering from Solaredge (Storedge), but it is not
> clear their optimizers work with the 96 cell Sunpower X21-345, for example.
>
>
>
> I am convinced that smart storage will become more important over time,
> and I would like to use this customer to “get smart”, and prepare for
> future business of this sort.
>
>
>
> Any practical knowledge would be greatly appreciated. I am happy to
> exchange information on commercial demand management offerings.
>
>
>
> -          Peter
>
>
>
> Peter T. Parrish, Ph.D.
>
> President, SolarGnosis
>
> 1107 Fair Oaks Ave., Ste. 351
>
> South Pasadena, CA 91030
>
> (323) 839-6108
>
> NABCEP Certified PV Installation Professional #031806-26
>
> peter.parrish at solargnosis.com
>
>
>
>
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-- 
Chris Mason
NABCEP Certified Solar PV Installer™
Solar Design Engineer
Generac Generators Industrial technician

www.cometsolar.com <http://www.cometenergysystems.com>
264.235.5670
869.662.5670
Skype: netconcepts
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