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Understanding Solar Inverters: String vs Micro

1 Sep 2026 · 2 min read

The inverter converts DC from panels into usable AC power — and the type you choose changes how shading and faults behave.

The two main types

"With a string inverter, one shaded panel can drag down its whole group — with micros, it doesn't."
TypeBest for
StringSimple, unshaded roofs
MicroPartially shaded roofs

Roofs with any obstruction should be assessed for shading before choosing an inverter type. See layouts modeled precisely with Solar 3D Design.

Related reading

Rooftop Shading: The Silent Killer of Solar Output → Battery Storage 101: Do You Need One With Solar? → Solar Panel Types: Monocrystalline vs Polycrystalline vs Bifacial →

Design around your roof's real shading.

Run a proper shadow analysis before choosing hardware.