Illinois SB 3979: UTILITIES-REGULATORY TAKINGS

Status: Added as Co-Sponsor Sen. Seth Lewis (as of 2026-03-04)

State: Illinois · Session: 104th · Bill: SB 3979

Sponsors: Javier L. Cervantes, Chris Balkema, Craig Wilcox, Donald P. DeWitte, Seth Lewis

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104TH GENERAL ASSEMBLY 
State of Illinois 
2025 and 2026
SB3979

Introduced 2/6/2026, by Sen. Javier L. Cervantes 

SYNOPSIS AS INTRODUCED:

220 ILCS 5/4-620 new

 Amends the Public Utilities Act. Provides that all decarbonization pilots, pathways, or infrastructure plans under a Future of Gas proceeding pursuant to the final Order of the Commission in Docket No. 24-0158 shall undergo a Regulatory Takings Assessment prior to approval. Requires the Assessment shall be conducted by an independent third party and evaluated and confirmed by intervenors and stakeholders. Provides that the Assessment shall evaluate certain factors. Provides that a mandate in a decarbonization pilot, pathway, or infrastructure plan shall not be approved if the mandate risks creating a taking without compensation that is equivalent to at least 80% of depreciated asset value. Provides that the Commission shall coordinate with the Environmental Protection Agency to ensure the alignment of air pollution standards and shall require, by rule, uniform metrics across decarbonization pilots, pathways, and infrastructure plans, including bill impacts and equity analyses. Provides that rulemaking pursuant to the amendatory Act shall be completed by June 1, 2026 and rules adopted pursuant to the amendatory Act shall be applied to all Phase 2C proposals, as specified under the final Order of the Commission in Docket No. 24-0158.

LRB104 19037 AAS 32482 b

A BILL FOR

SB3979LRB104 19037 AAS 32482 b

1 AN ACT concerning regulation.

2 Be it enacted by the People of the State of Illinois, 

3represented in the General Assembly:

4 Section 5. The Public Utilities Act is amended by adding 

5Section 4-620 as follows:

6 (220 ILCS 5/4-620 new)

7 Sec. 4-620. Regulatory Takin

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