The Solar Panel Material List must include high‑purity silicon wafers, low‑iron glass, EVA encapsulant, and protective backsheets. Also required are conductive silver or copper paste, ribbons, busbars, junction boxes, and frame aluminum. Given Ethiopia’s infrastructure growth, securing reliable suppliers is critical. Excellent quality materials lead to better panel efficiency and longevity. Optimizing the material list supports a scalable manufacturing model and helps reduce operational risk over time.