Grid sell with Outback, solar,and generator [RE-wrenches]

[Jeff Yago]

I know this thread has just about been beat to death, but I wanted to see if I could summarize everyones thoughts as we are getting ready to install this exact same system.

Battery-based Outback Grid-tie Inverter system with about 2 kW solar and a 12 kW backup generator.  Client wants to sell any excess solar power as they are gone most of the week, but area has lots of power outages so generator backup is important.  Since no AC1 and AC2 inputs, the easiest route is to set up inverter as grid-tie, and use any excess solar for net metering.   Install a standard AC generator transfer switch ahead of inverter and its emergency panel loads.

However, as everyone has already pointed out, the Outback will not handle this change properly without being told the input power supply is now a generator and not the grid.  How big a deal is this change-over for the client if they have a Mate?  Can this change-over be simplified or pre-programmed to only require a single command?  What is easiest program settings to stay with that reduces these control issues if the generator will only be used during an extended power outage?

Thanks,

Jeff Yago

_____________________________________________________________
Netscape.  Just the Net You Need.


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