A broken solar panel may still work but its output and safety are compromised. Always inspect for damage and consider professional assessment. For optimal performance and peace of mind, invest in the best solar panel and maintain it regularly. Ever wondered if that cracked solar panel glass could still generate power? Spoiler alert – broken photovoltaic panel glass often remains functional, opening new possibilities for solar energy systems. Cracks, chips. Solar panels typically last 25-30 years before their efficiency significantly declines. Their increased popularity over the past decade means we're approaching the first major wave of solar panel retirements. Finding responsible end-of-life solutions is crucial for maintaining solar energy's green. Quick Answer: Broken solar panels can be dangerous because they may expose hazardous materials such as lead, cadmium, or other toxic substances found in some photovoltaic modules. Damaged panels can also present electrical shock risks and, if not handled properly, may contaminate soil or water.