As the world accelerates its shift to renewable energy, wind power has emerged as one of the most promising solutions for sustainable electricity generation. Central to wind energy technology are the wind turbine blades, which play a crucial role in capturing wind and converting it into power. Among the materials used to manufacture these blades, fiberglass stands out for its strength, durability, and cost-effectiveness. This article explores the role of fiberglass in wind turbine blades and its contributions to improving efficiency and sustainability in the wind energy sector.