First Regular Session Seventy-fifth General Assembly STATE OF COLORADO INTRODUCED LLS NO. 25-0779.01 Christopher McMichael x4775 SENATE BILL 25-137 Senate Committees House Committees Transportation & Energy A BILL FOR AN ACT C ONCERNING GREENHOUSE GAS CREDIT TRADING PROGRAM101 ELIGIBILITY FOR WATER QUALITY GREEN INFRASTRUCTURE102 PROJECTS THAT CREATE GREENHOUSE GAS CREDITS .103 Bill Summary (Note: This summary applies to this bill as introduced and does not reflect any amendments that may be subsequently adopted. If this bill passes third reading in the house of introduction, a bill summary that applies to the reengrossed version of this bill will be available at http://leg.colorado.gov .) The bill authorizes the owner or operator of a water quality green infrastructure project (project) to sell or trade any greenhouse gas credits (GHG credit) created by the project in the GHG credit trading program (trading program) that is established by the air quality control commission (AQCC) by rule. SENATE SPONSORSHIP Simpson, HOUSE SPONSORSHIP (None), Shading denotes HOUSE amendment. Double underlining denotes SENATE amendment. Capital letters or bold & italic numbers indicate new material to be added to existing law. Dashes through the words or numbers indicate deletions from existing law. The owner or operator that is conducting a project shall pay an independent third-party auditor to certify the GHG credits created by the project in order to sell or transfer those GHG credits in the trading program. The division of administration in the department of public health and environment (division) shall monitor the sale and transfer of the GHG credits created from a project in the trading program and permit owners and operators of facilities that are regulated by the AQCC and the division and participating in the trading program to purchase the GHG credits in order to reach certain greenhouse gas compliance targets. Be it enacted by the General Assembly of the State of Colorado:1 SECTION 1. In Colorado Revised Statutes, 25-7-105, amend (1)2 introductory portion, (1)(f)(I)(A), (1)(f)(I)(C), (1)(f)(II) introductory3 portion, (1)(f)(III) introductory portion, and (1)(f)(III)(B); and add4 (1)(f)(I)(A.5), (1)(f)(I)(D), and (1)(f)(IV) as follows:5 25-7-105. Duties of commission - technical secretary - rules -6 report - legislative declaration - definitions - repeal. (1) Except as7 provided in sections 25-7-130 and 25-7-131, the commission shall8 promulgate ADOPT rules that are consistent with the legislative declaration9 set forth in section 25-7-102 and necessary for the proper implementation10 and administration of this article 7, including:11 (f) (I) Definitions. The definitions in subsection (1)(e)(XI) of this12 section apply to this subsection (1)(f). As used in this subsection (1)(f),13 unless the context requires otherwise:14 (A) "GHG credit" means a tradeable compliance instrument in a15 physical or electronic format, the use of which is authorized pursuant to16 a regulatory program adopted by the commission that represents the17 reduction of one metric ton of carbon dioxide equivalent of greenhouse18 gas by a regulated source OR BY A WATER QUALITY GREEN19 INFRASTRUCTURE PROJECT.20 SB25-137-2- (A.5) "INDEPENDENT THIRD -PARTY AUDITOR" MEANS A1 THIRD-PARTY ENTITY OR INDIVIDUAL APPROVED BY A RELEVANT2 NONGOVERNMENTAL REGISTRY THAT AUDITS AND CERTIFIES TO THE3 NONGOVERNMENTAL REGISTRY THE AMOUNT OF GHG CREDITS THAT ARE4 GENERATED BY A WATER QUALITY GREEN INFRASTRUCTURE PROJECT .5 (C) "Trading program" means a commission-adopted regulatory6 program that allows for regulated sources to meet their greenhouse gas7 compliance obligations under subsection (1)(e) of this section through the8 creation, purchase, acquisition, or exchange of, or other commercial-type9 transaction involving, a GHG credit with other regulated sources OR A10 WATER QUALITY GREEN INFRASTRUCTURE PROJECT .11 (D) "W ATER QUALITY GREEN INFRASTRUCTURE PROJECT " OR12 " PROJECT" MEANS A PILOT PROJECT ESTABLISHED PURSUANT TO SECTION13 25-8-311 (3)(b) THAT EMPLOYS GREEN INFRASTRUCTURE TO IMPROVE THE14 WATER QUALITY OF WATER UTILIZED BY A WATER QUALITY TREATMENT15 FACILITY.16 (II) Greenhouse gas accounting system. Except as specified in17 subsection (1)(f)(III) of this section, before the commission adopts a rule18 or program that provides for the use of a trading program, the commission19 shall adopt a rule that directs the division to create a comprehensive and20 centralized accounting system to track emissions from, at a minimum, all21 regulated sources AND WATER QUALITY GREEN INFRASTRUCTURE22 PROJECTS in the state covered by or that may otherwise participate in that23 trading program, which system must:24 (III) The commission may adopt a trading program among25 regulated sources AND WATER QUALITY GREEN INFRASTRUCTURE26 PROJECTS as necessary to timely implement subsection (1)(e)(IX) of this27 SB25-137 -3- section if that program:1 (B) Enables the division to track the emissions of, and emission2 reductions, trades, and other transactions by, all regulated sources AND3 WATER QUALITY GREEN INFRASTRUCTURE PROJECTS participating in the4 trading program;5 (IV) Water quality green infrastructure project participation6 in trading program - rules. (A) T HE OWNER OR OPERATOR OF A WATER7 QUALITY GREEN INFRASTRUCTURE PROJECT MAY SELL OR TRADE A GHG8 CREDIT CREATED BY THE PROJECT IN THE TRADING PROGRAM ESTABLISHED9 BY THE COMMISSION PURSUANT TO THIS SUBSECTION (1)(f).10 (B) T HE OWNER OR OPERATOR OF A WATER QUALITY GREEN11 INFRASTRUCTURE PROJECT THAT INTENDS TO SELL OR TRADE A GHG12 CREDIT IN THE TRADING PROGRAM SHALL PAY AN INDEPENDENT13 THIRD-PARTY AUDITOR TO CERTIFY ANY GHG CREDIT CREATED BY THE14 PROJECT.15 (C) T HE COMMISSION SHALL ADOPT ANY RULES NECESSARY TO16 AUTHORIZE THE SALE, TRADING, AND PURCHASE OF GHG CREDITS17 CREATED BY A WATER QUALITY GREEN INFRASTRUCTURE PROJECT IN THE18 TRADING PROGRAM.19 SECTION 2. Act subject to petition - effective date. This act20 takes effect at 12:01 a.m. on the day following the expiration of the21 ninety-day period after final adjournment of the general assembly; except22 that, if a referendum petition is filed pursuant to section 1 (3) of article V23 of the state constitution against this act or an item, section, or part of this24 act within such period, then the act, item, section, or part will not take25 effect unless approved by the people at the general election to be held in26 SB25-137 -4- November 2026 and, in such case, will take effect on the date of the1 official declaration of the vote thereon by the governor.2 SB25-137 -5-