The Application axis of market taxonomy classifies BIPV installations by end‑use environment, directly shaping demand patterns across sectors. Residential projects, encompassing single‑family homes and multi‑unit dwellings, represent the largest adoption driver, leveraging roof‑integrated tiles and façades to meet building codes and sustainability targets, thus accounting for approximately 40 % of market revenue. Commercial applications—office towers, retail complexes, and mixed‑use developments—utilize high‑performance façade modules and parking‑lot canopies, contributing about 35 % of total sales and benefiting from economies of scale. Industrial facilities, such as manufacturing plants and logistics hubs, adopt large‑area BIPV canopies and warehouse roofing solutions, delivering roughly 15 % of market value. Institutional users, including schools, hospitals, and government buildings, prioritize long‑term energy cost offsets and grid‑interactive capabilities, representing the remaining 10 % of the market. This distribution underpins the current landscape of Building Integrated Photovoltaics (BIPV) segmentation and informs strategic investment decisions.