True, but some AHJ's will not allow you to have more than one point of interconnection for PV.In my opinion there's no rule against multiple breakers in the main service panel. I've seen one or two people in the forum say that they think the code rule for a 'dedicated' breaker requires all sources to be combined first, but I've never seen this enforced by an AHJ based on that rule.
There may be practical limitations, such as how many breakers you can put on the 'opposite end' if using the 120% rule. Sometimes the right quad breakers aren't available.
Nothing but maybe the rules of the AHJ. Ask them. Oh, and they may get picky about that "other end of the busbar" business.I’d say common practice is to combine before a single breaker but there’s nothing disallowing multiple load side backfed breakers.
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There are advantages to combining the inverter outputs first, and then sending them to the interconnection. For instance, if your program requires a production meter, or if your utility requires an outside open blade switch, it means fewer of these pieces of equipment. But it is not an NEC requirement. You can interconnect two inverters at separate branch breakers on the same panelboard, provided you meet one of the busbar interconnection rules in 705.12.If I'm using two inverters, do I need a dedicated (no other loads) PV panel or can I just have 2 separate load side breakers in the main service panel?