Solar fundamentals
Industry Term

Module Degradation

Module degradation is the gradual reduction in a solar module’s output capability over time.

What does Module Degradation mean?

Module degradation is the gradual reduction in a solar module’s output capability over time.

How does Module Degradation affect PV system design, production, or customer expectations?

In solar projects, this term helps teams describe equipment, design assumptions, documentation, or field workflows with less ambiguity. Precise vocabulary reduces mistakes between sales, design, installation, inspection, and support.

Practical design considerations

  • Use the term consistently across product pages, technical documents, and support content.