Photovoltaic panels crack due to thermal expansion and contraction

Micro-cracks are tiny fractures in solar cells that are invisible to the naked eye. Typically, they form due to: Poor handling during transport or installation. Severe weather events like hailstorms. Transport and. . Abstract—Backsheet cracking is among the most commonly observed degradation modes of photovoltaic (PV) modules in the field. While a few small cracks may seem insignificant, they can grow, connect, and. . This white paper explains the problem of cell cracks and discusses how PV module buyers, investors and asset owners can mitigate risk by investing in durable PV modules. [pdf]