This question is part of the Super Big Solar Panel FAQ from Solar Mango, where expert answers to over 100 important questions on solar panels are provided.


Because of the disordered nature of amorphous silicon, solar cells are subject to the Staebler-Wronski effect, which reduces the solar cell efficiency by up to 15 percent within the first 1000 hours.

This undesired effect is triggered by internal annihilation — known in physics as recombination — of charge that has not been extracted from the solar cell. The released recombination energy induces defects in the amorphous network called Light Induced Defects.

Source: Solar Cell Light Induced Defects from Solar Mango’s Solar Dictionary

Source: Solar Panels are a 25 Year Relationship – Don’t Screw Up

Super Big Solar Panel FAQGet to know answers to over 100 important questions on solar panels from here.


You Might Want to Check Out these Questions Too on Risks & Warranties

  • How Much Do I Stand to Lose If I Choose a Poor Quality Solar Panel?-Here
  • Have there been Real Life Failures of Solar Panels within a Few Years after Installation?-Here
  • Can Solar Panels Withstand Hailstorms?-Here
  • Can Solar Panels Withstand Snow and Rain?-Here
  • Can Solar Panels be Damaged by Floods?-Here
  • What Happens if the Solar Panel Manufacturer Goes Out of Business?-Here
  • What Warranties Should I Look for While Purchasing Solar Panels?-Here
  • What Happens if there are Bird Droppings on Solar Panels?-Here
  • What Happens if Heavy Objects Fall on Solar Panels?-Here
  • What Happens if Someone Accidentally Walks on Solar Panels?-Here
  • What is PID (performance induced degradation) of a Solar Panel?-Here
  • How Can I Protect Solar Panels Against Monkeys and Other Animals?-Here
  • What All Can Go Wrong with Solar Panels?-Here
  • What Types of Insurance are Available for Solar Panels?-Here
  • What is the Shading of Solar Panels all About? What are Its Implications?-Here
  • What is a Solar Module Derate Factor?-Here
  • If a Cell in a Solar Panel Doesn’t Work, Does It Affect Generation from Other Cells?-Here