; and (F) integrated hybrid plant systems. (2) New materials and designs related to blades, rotors, towers and drivetrains including— (A) higher tip speed rotor designs; (B) low-noise rotor designs; (C) advanced drivetrain and generator concepts; (D) modular construction and onsite or near-site manufacturing and assembly techniques; (E) sustainable and recyclable materials and manufacturing systems; (F) supersized turbine design and installation approaches; and (G) lightweight materials. (3) Offshore wind-specific projects including— (A) fixed and floating substructure concepts; (B) projects to assess and mitigate the impacts of hurricane wind flow, freshwater ice, and other United States-specific conditions; (C) innovative operations and maintenance strategies; (D) analysis of offshore meteorological, geological, and oceanographic data collection