PV electrical basics
Industry Term

IMP

Current at the module's maximum power point; in PV design it helps verify equipment ratings, wiring, and safe operating limits.

What does IMP mean?

Current at the module's maximum power point; in PV design it helps verify equipment ratings, wiring, and safe operating limits.

How is IMP used in solar design?

This term affects electrical design, string sizing, code checks, equipment ratings, and safe installation. In solar, the numbers are not decoration; they are the guardrails.