Chris, Thanks for the reminder. I've stayed out of the Lithium option until now, largely because of just that, but now that I'm delving in, that is a good reminder. I swore off bleeding edge products years ago, but I guess I'm running the risk of bleeding again... Howie
On Fri, May 3, 2019 at 4:49 PM Chris Mason <cometenergysyst...@gmail.com> wrote: > I'd be very cautious about getting too cosy with any of these battery > companies, it seems their only aim is to get bought. Sonnen was acquired by > Shell Oil, Pika by Generac. I'm a generac dealer so I am exploring what > their intentions are. I doubt Shell will be gung-ho to continue to support > solar, so where does that leave my Sonnen customers? > Make sure your customers are aware you don't know where this is going and > whether any of these guys will stay the course. Companies like trojan and > Outback are going to be around, but Fortress? Unlikely. > > > > > On Fri, May 3, 2019 at 4:34 PM <penobscotso...@midmaine.com> wrote: > >> Hi Howie, >> Have you looked at Fortress Power batteries? We're about to install >> some and they look like a very decent battery. Google will get you the >> basic info to start. >> >> >> Daryl >> Penobscot Solar Design >> >> >> >> > Hi Folks, >> > About to spec my first Lithium battery backup job. The client is not a >> > heavy user, but wants things done right more than being totally cost >> > effective. >> > We put in 14kW of net metered solar using SolarEdge and now he wants the >> > backup component. This was significantly oversized for his use, but he >> > wanted to be sure he was putting a bunch more back into the grid than he >> > was using (making up for past profligate power usage). We will be >> using a >> > dual stacked XW 6848, mostly for enough backfeed capacity (we could wire >> > in >> > a transfer switch and only use 1 XW, but he'd prefer this setup >> instead). >> > I have narrowed down my choice for batteries to either: >> > >> > - (2) Iron Edison 200 amp hour batteries, or >> > - (3) Discover AES 130 amp hour batteries >> > >> > Advantages for the AES are that they integrate directly with the >> Schneider >> > Xanbus network so the Conext battery monitor provides direct insight >> into >> > the SOC and SOH of the batteries, and they have a slightly higher rated >> > cycle life so higher lifetime energy capacity. >> > >> > Advantages of the IronEdison are they come in a larger amp hour size >> > allowing for only needing 2 vs. 3 batteries, they have an integrated >> fuse >> > and disconnect, and from my sources are 1/3 less in price. >> > >> > If anyone has any thoughts on any of this, or corrections to my >> > comparison, >> > I'd greatly appreciate it. >> > _______________________________________________ >> > List sponsored by Redwood Alliance >> > >> > List Address: RE-wrenches@lists.re-wrenches.org >> > >> > Change listserver email address & settings: >> > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> > >> > List-Archive: >> > >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >> > >> > List rules & etiquette: >> > www.re-wrenches.org/etiquette.htm >> > >> > Check out or update participant bios: >> > www.members.re-wrenches.org >> > >> > >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> >> > > -- > 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 > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > >
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