The application axis of Glass for PV Modules segmentation categorizes demand into residential rooftop, commercial rooftop, utility‑scale ground‑mounted, and other emerging uses such as building‑integrated photovoltaics (BIPV) and floating PV. Residential rooftop installations, driven by distributed‑generation incentives, rely on standard tempered glass to balance cost and durability, representing a modest but stable portion of total glass consumption. Commercial rooftop projects, typically larger in capacity, increasingly select low‑iron or antireflective glass to maximize energy yield per square meter, thereby elevating their contribution to market volume. Utility‑scale ground‑mounted farms prioritize bifacial and high‑transmission glass to exploit ground albedo effects, resulting in the highest per‑module glass value and shaping the bulk of market growth. Emerging segments—BIPV, floating PV, and niche industrial applications—are still nascent but exhibit higher glass specialization, such as decorative low‑iron or anti‑soiling coated glass, which, while small in absolute terms, influence the market taxonomy by driving innovation and premium pricing.