; and (ii) the right to construct the replacement capacity at the alternative facility or site at the expense of the non-Federal interest. (B) Requirement The Secretary shall not reject a site for the construction of replacement capacity under paragraph (1)(A)(ii) that is submitted by the non-Federal interest for approval by the Secretary before the date of execution of the agreement under paragraph (1)(B), or thereafter, unless the Secretary— (i) determines that the site is environmentally unacceptable or technically unsound