That's fine. You don't need the subpanel if you don't want backup power.
Not without a separate external controller. With a separate external controller, you could see the decline in solar output and put the inverter into sell mode. But it would definitely NOT be off-the-shelf.
However, if you are using 6kW and generating 7kW during the day, that's very close to "grid-zero" operation; if that's how you ordinarily run you will see very little benefit from a battery storage system.
Aside from preset programming, the scenario I'm thinking about is when I'm often generating 7kW and using 6kW around noon (maybe putting 1kW into the batteries.) The cloud comes over and I'm down to generating 3kW but still consuming 6kW, so now pulling 3kW from the grid.
Is there a way for the Outback to kick in the flow from the batteries and supplement the missing 3kW to prevent me buying it from the grid and switch back to normal operation when the cloud is gone 15 minutes later? Or is this a pipe dream, especially with AC-coupling?
Is there a way for the Outback to kick in the flow from the batteries and supplement the missing 3kW to prevent me buying it from the grid and switch back to normal operation when the cloud is gone 15 minutes later? Or is this a pipe dream, especially with AC-coupling?
However, if you are using 6kW and generating 7kW during the day, that's very close to "grid-zero" operation; if that's how you ordinarily run you will see very little benefit from a battery storage system.
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