Aussie Made Solar has a pretty good pro/con size-up of the micro-inverters (usually one per panel) and traditional string inverters (just one for the whole shebang.)
The biggest difference to me is the lifespan. The micro-inverters should last as long as the panels (25 years) while the string inverters are considered a success if they last 20% of that. But that is just one of the issues - they do a good job of thinking out several issues including the crew size. Take a look and let me know what you think.
Oh, uparmoring the conduits for the highvoltage DC runs is also an expense that does not jump out until, well... it jumps out.
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