N.Y. Public Service Law § 165
4.
(b) Proceedings on an application by an owner of an existing major electric generating facility to modify such existing facility or site a new major electric generating facility adjacent or contiguous to such existing facility, shall be completed in all respects in a manner consistent with federally delegated or approved environmental permitting authority, including a final decision by the board, within six months from the date of a determination by the chair that such application complies with section one hundred sixty-four of this article, whenever such application demonstrates that the operation of the modified facility, or of the existing facility and new facility in combination, would result in: