What happens if the solar glass breaks? | NenPower
If a broken glass panel is compromised, the risk of short circuits increases, which could lead to fires or electrocution. It is imperative to have qualified technicians handle repairs
This matches up with RETC reports noting a decline in the compressive strength of solar module glass over the years: “In our laboratory testing, RETC has consistently observed that heat-strengthened solar glass is more prone to breakage than fully tempered solar glass.
Modern PV modules often use thinner glass to reduce weight and material costs which lead to glass breakage. Glass breakage is a growing concern for the solar power plant operators.
Glass on solar panels protects the internal components, keeps out dirt and moisture, and maintains electrical insulation. Earlier, glass breakages were mostly due to clear causes. Impact due to hailstones, wind-blown debris, or even human-caused incidents like vandalism have been one of the common causes.
In a highly competitive solar industry, cost of production, handling, and installation gives the business an edge over competitors. Modern PV modules often use thinner glass to reduce weight and material costs. As per NREL study, while panels commonly used 3.2-mm-thick glass earlier, modern double-glass modules often feature 2-mm glass.
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