House File 2583 - Reprinted HOUSE FILE 2583 BY COMMITTEE ON COMMERCE (SUCCESSOR TO HSB 737) (As Amended and Passed by the House March 2, 2026 ) A BILL FOR An Act relating to emergency planning and coordination for 1 electric transmission line owners, and providing penalties. 2 BE IT ENACTED BY THE GENERAL ASSEMBLY OF THE STATE OF IOWA: 3 HF 2583 (2) 91 sb/js/md

H.F. 2583 Section 1. NEW SECTION . 478.34 Electric transmission 1 emergency planning and coordination. 2 1. For purposes of this section: 3 a. “Electric transmission line” means a high-voltage 4 electric transmission line with a capacity of two hundred 5 kilovolts or more that has been approved for construction on or 6 after July 1, 2022, for construction in a federally registered 7 planning authority transmission plan with costs allocated 8 regionally. 9 b. “Electric transmission line owner” means an individual or 10 entity that owns and maintains an electric transmission line. 11 c. “Proclaimed disaster emergency” means a state of disaster 12 emergency proclaimed by the governor pursuant to section 29C.6. 13 2. a. An electric transmission line owner shall 14 independently develop an emergency response plan and submit the 15 plan to the commission. The plan shall contain at least all of 16 the following information: 17 (1) The name, title, and twenty-four-hour contact 18 information of at least two designated individuals with the 19 authority to coordinate and direct the electric transmission 20 line owner’s emergency response and restoration efforts. Each 21 electric transmission line owner shall notify the commission of 22 any change to this contact information within twenty-four hours 23 of the change occurring. 24 (2) Procedures for notifying state and local emergency 25 management agencies and neighboring utilities during a service 26 interruption. 27 (3) Strategies for the staging and mobilization of 28 personnel, equipment, and materials for expeditious 29 restoration. 30 (4) A summary of mutual aid arrangements with other entities 31 for supplemental repair crews and equipment. 32 (5) A methodology for prioritizing the restoration of 33 service to essential facilities, including hospitals, water 34 treatment plants, and public safety communications. 35 -1- HF 2583 (2) 91 sb/js/md 1/ 3

H.F. 2583 b. An electric transmission line owner shall submit 1 an initial emergency response plan to the commission by 2 December 31, 2026. Updated plans shall be submitted annually 3 thereafter, or within thirty days of a material change, in the 4 form and manner prescribed by the commission. 5 c. An emergency response plan or information submitted 6 pursuant to this section shall be considered a confidential 7 record and shall be kept confidential, as provided in section 8 22.7, subsection 50. The records shall not be subject to 9 disclosure, except as necessary for the coordination of 10 emergency response and restoration efforts between authorized 11 state and utility personnel. 12 3. a. An electric transmission line owner shall notify the 13 commission in the form and manner prescribed by the commission 14 when it is projected that an outage may result in a loss of 15 service for more than six hours, provided the outage meets 16 the criteria for a significant interruption, as defined by 17 commission rule. Notification shall be made at the earliest 18 possible time after the determination and shall include all of 19 the following: 20 (1) The general nature and cause of the interruption. 21 (2) The geographic area affected. 22 (3) A preliminary assessment of the extent of damage. 23 (4) The estimated time for restoration. 24 b. The notice required under paragraph “a” shall be 25 supplemented as more complete or accurate information becomes 26 available, including updates to the estimated restoration time. 27 4. In the event of an actual or imminent proclaimed 28 disaster emergency, the electric transmission line owners shall 29 coordinate operational responses with each other, as necessary, 30 for repair and restoration to occur in an expeditious and 31 orderly manner, and shall provide the commission and the 32 department of homeland security and emergency management with 33 information as requested to facilitate state-level emergency 34 response decision making and assistance. 35 -2- HF 2583 (2) 91 sb/js/md 2/ 3

H.F. 2583 5. An electric transmission line owner that violates any 1 provision of this section or any rule adopted pursuant to this 2 section is subject to a civil penalty, which may be levied 3 by the commission, of not more than one hundred dollars per 4 violation or one thousand dollars per day of a continuing 5 violation, whichever is greater. 6 -3- HF 2583 (2) 91 sb/js/md 3/ 3