>> That's probably true although on a single inverter system one panel with degraded output (through
>> dirt, shade or malfunction) can seriously adversely affect the whole of the panels on that
>> string. More recent panels are often installed with the equivalent of an inverter per panel
>> so a single panel affected by something would not impact the rest.
>>
>>
>>
Here in WA, the micro inverters you mention are mainly used on systems where one or more panels are shaded at some point during the day. As you say, this minimises the reduction in production.
However, more inverters = more to go wrong, and they increase the capital cost of the system.
The vast majority of systems sold here do not have micro inverters.
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