Amends 42 U.S.C. 6326 by (1) adding a definition of "local distribution system" in subsection (a); (2) expanding the required contents of a State energy security plan in subsection (c)(3) to specify particular physical threats (weather-related threats; physical attacks on local distribution systems and the bulk-power system; supply chain risks for equipment for generation, transmission, and distribution) and to expand cybersecurity threats in (c)(3) to include threats to local distribution systems that may impact the bulk-power system; (3) clarifying subsection (c)(5) to require the risk mitigation approach to include methods of responding to, mitigating, and recovering from the potential hazards described in paragraph (3); (4) inserting a new subparagraph in subsection (d)(3) to include "supplying equipment for the generation and transmission of electricity" (redesignating the former subparagraph (B) as (C)); and (5) revising subsection (e) structure and adding a new subparagraph providing that a submission under paragraph (1) is not required to be approved by the Secretary.