How Long Do Solar Panels Last? The Complete 2025 Guide

Solar panels typically come with 25-year performance warranties, but here's the reality check: most modern photovoltaic systems actually last 28-35 years when properly maintained. The industry's 80% efficiency threshold after 25 years (what manufacturers guarantee) doesn't mean your panels stop working - they just become slightly less productive. [2021-01-23 15:39]