; and (B) 10 basis points of the principal amount of the loan. (c) Improvement Not later than 90 days after the date of enactment of this Act, the Secretary shall promulgate an interim final rule establishing regulations that the Secretary determines to be necessary to administer this section and any loans provided by the Secretary under subsection (b). (d) Priority (1) In general In providing loans under this section to manufacturers (including component suppliers) that have existing facilities, the Secretary shall give priority to manufacturers that are seeking to expand manufacturing output through— (A) the establishment of 1 or more new facilities; or (B) the reopening of 1 or more facilities. (2) Idle facilities A facility described in subparagraph (A) or (B) of paragraph (1) may be sitting idle as of the date on which the applicable loan is provided under this section. (e) Set aside for small energy grid product manufacturers and component suppliers (1) Definition of covered firm In this subsection, the term covered firm means a firm that— (A) employs fewer than 500 individuals; and (B) manufactures energy grid products or components. (2) Set aside Of the amounts used to provide loans each fiscal year under subsection (b), the Secretary shall use not less than 5 percent to provide loans to— (A) covered firms