Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-23 Thread Starlight Solar Power Systems
August, To be sure, there is a fragility in using LFP batteries if the integrator does not understand the pitfalls….and there are many. In November a lithium battery and solar “dealer” emailed me for help. He had damaged an $8000 battery bank and wanted to know how to get it working again. Afte

[RE-wrenches] SE / tesla availability

2016-01-23 Thread jay
HI All, I’m guessing you are being hit with these questions too. But any time frames for the SE equipment that’ll be ready to go with Tesla batteries? thanks jay peltz power ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-23 Thread frenergy
Larry, Thanks to people like you, we will all benefit from Lithium batteries coming online sooner, no doubt at a decreasing cost. Many of us in this field know what its like to pioneer/beta test new products but soldier on to move things along to a better future. Bill Feather River

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-23 Thread Allan Sindelar
Larry, Thank you for correcting my post. As I have not signed an NDA I didn't know this. The only term I recall hearing was "manufacture". Allan Allan Sindelar al...@sinde

Re: [RE-wrenches] Rooftop disconnect for multi tracker TLs

2016-01-23 Thread jay
Probably 2 of the Sq D 361RB still might be the least expensive. jay peltz power > On Jan 22, 2016, at 8:00 AM, August Goers wrote: > > Wrenches, > > We have a few jurisdictions in the Bay Area that still require rooftop DC > disconnects. We are installing a lot of SMA TL-22 inverters with d

[RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-23 Thread Marco Mangelsdorf
Aloha Larry, To take a step back…what’s the compelling value proposition from the homeowner’s perspective to incur this non-trivial additional expense? To be blunt, what’s in it for them? Back-up power? First adopter mojo? Thanks, marco August, To be sure, there is a fragility

Re: [RE-wrenches] LiFePO4; WAS Availability of Powerwall Batteries

2016-01-23 Thread Dan Fink
Marco; Winter storms, hurricanes, earthquakes, tornados, floods, etc. - backup power. Maybe load shaving as the utilities get more persnickety on time of use upcharges. Of course for most folks, an infernal combustion generator is far more cost effective than batteries. But for an extended grid ou