7 C.F.R. § 1710.303
(b) A power cost study shall include the following basic elements:
(c) Power cost studies must use current, RUS-approved power requirements data, and all major assumptions are subject to RUS approval. Alternative assumptions about projected power requirements may be used, however, in conjunction with the sensitivity analyses required by paragraph (b)(4) of this section.
(Approved by the Office of Management and Budget under control number 0572-0032)