FIRST REGULAR SESSION SENATE BILL NO. 140 103RD GENERAL ASSEMBLY INTRODUCED BY SENATOR BLACK. 1032S.01I KRISTINA MARTIN, Secretary AN ACT To amend chapter 393, RSMo, by adding thereto one new section relating to electric reliability. Be it enacted by the General Assembly of the State of Missouri, as follows: Section A. Chapter 393, RSMo, is amended by adding thereto 1 one new section, to be known as section 393.1800, to read as 2 follows:3 393.1800. 1. As used in this section, the following 1 terms shall mean: 2 (1) "Appropriate regional transmission organization or 3 independent system operator", the Midcontinent Independen t 4 System Operator or the Southwest Power Pool, or any 5 successor organization; 6 (2) "Sufficient capacity", owned or contracted for 7 capacity that meets the planning reserve margin or successor 8 metric established by the appropriate regional transmiss ion 9 organization or independent system operator or, in the case 10 of an electrical corporation that is not a participant in a 11 regional transmission organization or independent system 12 operator that meets the planning reserve margin or successor 13 metric established by the commission. 14 2. The commission may require electrical corporations 15 to provide documentation, annually in a format determined by 16 the commission, reflecting an electrical corporation's plan 17 to own or have rights to sufficient capacit y to meet the 18 electrical corporation's capacity obligations for the 19 SB 140 2 upcoming planning year and each of the three subsequent 20 planning years. An electrical corporation shall submit such 21 documentation, which shall document the electrical 22 corporation's capacity position for the upcoming year and 23 three succeeding planning years, consistent with resource 24 adequacy requirements of the appropriate regional 25 transmission organization or independent system operator, or 26 the commission, including by season or o ther applicable time 27 period, within thirty days after the appropriate regional 28 transmission organization or independent system operator, or 29 the commission, if applicable, makes a final determination 30 as to the electrical corporation's resource adequacy 31 requirements for the upcoming planning year. 32 3. The commission may require any additional audits 33 and reporting as the commission considers necessary to 34 determine whether an electrical corporation's plan provides 35 for the electrical corporation's o wnership or contractual 36 rights to sufficient capacity for the planning year 37 beginning four years after the beginning of the current 38 planning year. 39 4. If an electrical corporation fails to have 40 sufficient capacity for the upcoming planning year, a nd it 41 is determined by the commission to be the result of the 42 electrical corporation's imprudence, the commission may 43 disallow, after conducting a hearing, any associated costs 44 related to the failure in a future proceeding. The 45 commission may require submission of a plan by the 46 electrical corporation within six months to resolve any 47 expected capacity deficiency for the subsequent three 48 planning years. 49 5. The commission may promulgate rules necessary to 50 implement the provisions of this sectio n. Any rule or 51 SB 140 3 portion of a rule, as that term is defined in section 52 536.010, that is created under the authority delegated in 53 this section shall become effective only if it complies with 54 and is subject to all of the provisions of chapter 536 and, 55 if applicable, section 536.028. This section and chapter 56 536 are nonseverable and if any of the powers vested with 57 the general assembly pursuant to chapter 536 to review, to 58 delay the effective date, or to disapprove and annul a rule 59 are subsequently held unconstitutional, then the grant of 60 rulemaking authority and any rule proposed or adopted after 61 August 28, 2025, shall be invalid and void. 62