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Solar Panel Hotspot Risk Calculator
Assess the risk of hotspots forming in your solar array. Hotspots can reduce output and, in worst cases, cause fires.
Inspect Your Array
Risk Assessment
Answer the questions to assess hotspot risk
What Causes Hotspots?
Partial Shading
A shaded cell becomes a resistor instead of a generator, dissipating power as heat.
Failed Bypass Diodes
Without working diodes, current can't route around the shaded cell, creating extreme localized heat.
Cell Damage
Micro-cracks or delamination create high-resistance points that overheat under load.