But did you know the material you choose—steel, aluminum, or stainless steel—can significantly influence performance, cost, and lifespan? In this article, we break down the characteristics, pros, and cons of the three most widely used materials in solar racking. As solar energy adoption accelerates globally, the demand for robust photovoltaic support systems has skyrocketed. This article explores how steel-based mounting solutions form the backbone of modern solar projects while addressing critical factors like material selection, design optimization, and. For material selection in photovoltaic carport support systems, it is recommended to follow the strategy of "environmental priority, structural safety, and cost-effectiveness. " The following are specific material recommendations based on current industry standards and technical requirements: 1. MSc ENTER is a two-year master's study program jointly organized by the Department of Industrial Engineering and Management of the University of Sarajevo – Faculty of Mechanical Engineering, Sarajevo, Bosnia and Herzegovina; Technische Universität Bergakademie Freiberg, Freiberg, Germany; and. When selecting photovoltaic supports, different materials must be chosen based on varying application conditions.