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Hail Stress Sequence

Key Takeaways

Glass//backsheet and hail-hardened module designs have lower breakage rates.

Initial glass//glass modules with thicker glass show improved hail resistance.

No post-hail impact power degradation > 2% in the 2025 Scorecard dataset.

Broken modules from both hail sizes and hail retests were most prevalent.

Hail Test Results Spotlight

Power Degradation of HSS BOMs

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