[RE-wrenches] Equipment ideas for very large residential PV and battery backup

[jay]

HI Mac,

I wondering if you know which SMA  GT inverters communication with the SI?

thx

jay



> On Jan 8, 2019, at 1:02 PM, Mac Lewis <maclewis1 at gmail.com> wrote:
> 
> Hi August,
> 
> The limitation with the Sunny Island, (if you don't go 3 phase), is a quad stack of 6048s in a 120/240 system last I checked. I think you can double that with your islanded Sunny Boys. The 6048 had a ridiculously high surge rating so it can cover pretty high loads.
> 
> If you go 3 phase with the multicluster box its above 100 kW.
> 
> We have done a 64 kWh Blue Ion and it seems to work extremely well. The Sunny Island SOC algorithm and Blue Ion SOC don't track perfectly but both are useful.
> 
> I think you can stack 10 x 8048 Radians but AC coupling then becomes a problem.
> 
> Good luck with this.
> 
> On Tue, Jan 8, 2019, 3:49 PM August Goers <august at luminalt.com <mailto:august at luminalt.com> wrote:
> Hi Wrenches,
> 
> We have a new potential client who wants a 60 kW PV system and a battery backup system with 200 kWh of storage. The system will be grid tied and the client insists on some sort of lithium battery technology and doesn't want Tesla. For such a ridiculously large system, what kind of equipment would you recommend? I'm thinking maybe Sunny Islands with Blue Ion LiFePO4 batteries?
> 
> Best, August
> August Goers
> 
> Luminalt Energy Corporation
> 
> 
> 
>  
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