; and (II) the timely review of modifications of the plans in cases in which modifications are necessary; (ii) is consistent with applicable law; and (iii) includes a process for modifications to a plan in a prompt manner if changed conditions necessitate a modification to a plan. (B) Congressional intent It is the intent of Congress that the process for review and approval of plans under this paragraph shall not exceed 180 days. (5) Categories of actions not requiring environmental analysis With respect to actions carried out under plans submitted under paragraph (1), the Secretary concerned shall identify categories of actions for which neither an environmental impact statement nor an environmental assessment shall be required under section 1508.4 of title 40, Code of Federal Regulations (or a successor regulation). (d) Certain owners and operators (1) In general The owner or operator of an electric transmission or distribution facility that is not subject to the mandatory reliability standards established by the Electric Reliability Organization or that sold less than or equal to 1,000,000 megawatt hours of electric energy for purposes other than resale during each of the 3 calendar years immediately preceding the date of enactment of the Energy and Natural Resources Act of 2017 may enter into a memorandum of understanding with the Secretary concerned in lieu of a plan under subsection (c). (2) Minimum requirements The Secretary concerned shall ensure that the minimum requirements for a memorandum of understanding under paragraph (1)— (A) reflect the relative financial resources of the applicable owner or operator compared to other owners or operators of an electric transmission or distribution facility; (B) include schedules as described in subsection (c)(3)(D)