Below is a simple guide to the three core warranty types and how to read the fine print so you know exactly what is covered. Usually guarantees a max annual degradation rate and a final output level after 25 years. Covers panel failures due to defects, not damage or misuse. Even after reviewing extensive documentation, deciphering the disparities between warranties offered by different manufacturers can seem like comparing apples to oranges. Solar panels are a substantial investment with various warranties, encompassing contractor commitments, manufacturer assurances, and innovative solutions like Solar Insure's. . While solar energy systems are built to withstand decades of outdoor use, the right warranty coverage assures extra peace of mind by protecting your investment against potential malfunctions, damage, or underperformance.