Solar panel hotspots: what they are and why they matter — Australia

Hotspots are localised areas of overheating on a solar panel, typically caused by cell damage, micro-cracks, or persistent shading. They are the leading cause of accelerated panel degradation and are best detected via thermal imaging. Here's what you need to know. This guide is tailored for Australian solar owners, where high UV exposure and extreme temperatures make these issues particularly relevant.