The shell and spar cap, the blade's support layer, consist of fiberglass mesh bonded with resin. What materials are used to make wind turbines? According to a report from the National Renewable Energy Laboratory (Table 30), depending on make and model wind turbines are predominantly made of steel (66-79% of total turbine mass); fiberglass, resin or plastic (11-16%); iron or cast iron (5-17%);. Wind turbines, which generate electricity from inexhaustible winds, produce no pollution compared to coal, oil, and natural gas. They use several materials to improve stability, reduce weight, and add protection. without a gearbox, utilising electrically excited (EE) generators or permanent magnet (PM) generators. Finally, types E-PM and F are hybrid drive train systems that integrate both a gearbox and a full power converter, together with either a. Wind turbines serve as vital components of clean energy, and their performance directly depends on material selection. In simple terms, a wind turbine consists of a rotor that has wing shaped blades attached to a hub; a nacelle that houses a drivetrain consisting of a gearbox, connecting shafts, support bearings, the.