; and (II) revise relevant agency regulations and policy statements to implement those categorical exclusions. (B) Categorical exclusions of other agencies Consistent with section 109 of the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq. ), the Commission may adopt a categorical exclusion listed in the procedures of another Federal agency under that Act for a category of proposed agency actions for which the categorical exclusion was established. (C) Administration (i) In general In administering a categorical exclusion established under subparagraph (A)(ii), the Commission shall comply with the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq. ) (including regulations promulgated pursuant to that Act). (ii) Extraordinary circumstances In determining whether to use a categorical exclusion established under subparagraph (A)(ii), the Commission shall apply— (I) section 380.4(b) of title 18, Code of Federal Regulations (or a successor regulation); and (II) any other regulation promulgated by the Commission to establish extraordinary circumstances procedures described in section 1507.3(e)(2)(ii) of title 40, Code of Federal Regulations (or a successor regulation). (D) Activities described The activities referred to in subparagraph (A) include— (i) a geotechnical investigation; (ii) off-road travel in an existing right-of-way; (iii) adding a battery or other energy storage device to an existing or planned energy facility, if that storage resource is located within the physical footprint of the existing or planned energy facility; (iv) any repair, maintenance, upgrade, optimization, or minor addition to existing transmission and distribution infrastructure, including— (I) operation, maintenance, or repair of power equipment and structures within existing substations, switching stations, transmission lines, and distribution lines; (II) the addition, modification, retirement, or replacement of breakers, transmission towers, transformers, bushings, or relays