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What’s the Difference Between Tier 1 and Tier 2 Panels?

What’s the Difference Between Tier 1 and Tier 2 Panels?

Tier 1 panels are bankable, high‑quality modules made by top manufacturers with strong warranties.
Tier 2 panels may be lower cost but often have shorter warranties/less long‑term reliability. (Industry classification used by banks and investors.)

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