ILCS » Chapter 220 · Act 5
Illinois Compiled Statutes

220 ILCS 5/4-201 (2026)

It is hereby made the duty of the Commission to see that the provisions of the Constitution and statutes of this State affecting public utilities, the enforcement of which is not specifically vested in some other officer or tribunal, are enforced and obeyed, and that violations thereof are promptly prosecuted and penalties due the State therefor recovered and collected, and to this end it may sue in the name of the People of the State

✓ current as of May 2026
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(220 ILCS 5/4-201) (from Ch. 111 2/3, par. 4-201)
    Sec. 4-201. It is hereby made the duty of the Commission to see that the provisions of the Constitution and statutes of this State affecting public utilities, the enforcement of which is not specifically vested in some other officer or tribunal, are enforced and obeyed, and that violations thereof are promptly prosecuted and penalties due the State therefor recovered and collected, and to this end it may sue in the name of the People of the State.
    It shall be the duty of the Commission, at the direction and discretion of the Chairman, to assemble and maintain an electronic trespass enforcement assistance staff consisting of experts in computer systems, electronics and other professional disciplines to aid public utilities, businesses, individuals and law enforcement agencies in detecting and preventing electronic trespass violations and enforcing the provisions of Sections 17-50, 17-51, and 17-52 of the Criminal Code of 2012 or any other relevant statute.
    No cause of action shall exist and no liability may be imposed either civil or criminal, against the State, the Chairman of the Commission or any of its members, or any employee of the Commission, for any act or omission by them in the performance of any power or duty authorized by this Section, unless such act or omission was performed in bad faith and with intent to injure a particular person.
(Source: P.A. 97-1150, eff. 1-25-13.)

    
Notes of Decisions
Cited in 7 cases, 2004–2018 · leading case: State of Illinois ex rel. Pusateri v. Peoples Gas Light & Coke Co., 2014 IL 116844 (Ill. 2014).
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State of Illinois ex rel. Pusateri v. Peoples Gas Light & Coke Co., 2014 IL 116844 (Ill. 2014). “” 220 ILCS 5/4-201 (West 2008). The Public Utilities Act directs the Commission to seek an injunction in the circuit court to prevent continued violation of the law.”
State of Illinois ex rel. Pusateri v. Peoples Gas Light & Coke Co., 2014 IL 116844 (Ill. 2014). “” 220 ILCS 5/4-201 (West 2008). The Public Utilities Act directs the Commission to seek an injunction in the circuit court to prevent continued violation of the law.”
Greenside Props., LLC v. Peoples Gas Light & Coke Co., 2017 IL App (1st) 162821 (Ill. App. Ct. 2017). “2d 465 (1997) (quoting 220 ILCS 5/4-201 (West 1994) ). "Thus, the legislature has given the Commission broad powers, so that the Commission on its own initiative can promulgate orders, rules or regulations fixing adequate service standards and requiring adequate facilities.”
Am. Fed'n of State, Cnty. & Mun. Employees (AFSCME), Council 31 v. Illinois Labor Relations Bd., State Panel, 2014 IL App (1st) 123426 (Ill. App. Ct. 2014). “” 220 ILCS 5/4-201 (West 2010). The functions of the ALJs III and IV are outlined in CMS’ Exhibits 1 and 2, which provide that the ALJs are responsible for conducting “hearings in cases involving generic and rulemaking matters, rates, citations *** and all other matters,…”
Am. Fed'n of State, Cnty. & Mun. Employees (AFSCME) v. The Illinois Labor Relations Bd., 2014 IL App (1st) 123426 (Ill. App. Ct. 2014). “" 220 ILCS 5/4-201 (West 2010). The functions of the ALJs III and IV are outlined in CMS' exhibits 1 and 2, which provide that the ALJs are responsible for conducting "hearings in cases involving generic and rulemaking matters, rates, citations*** and all other matters, required…”
Greenside Props., LLC v. Peoples Gas Light & Coke Co., 2017 IL App (1st) 162821 (Ill. App. Ct. 2018). “3d 373, 377-78 (1997) (quoting 220 ILCS 5/4-201 (West 1994)). “Thus, the legislature has given the Commission broad powers, so that the Commission on its own initiative can promulgate orders, rules or regulations fixing adequate service standards and requiring adequate…”
Vill. of Orland Hills v. Citizens Utils. Co. (Ill. App. Ct. 2004). “Plaintiff Orland Hills, in the alternative, argues that Citizens' certificate of public convenience and necessity, granted to it by the Commission, obligates Citizens to provide water service to the A&M Parcel. The General Assembly created the Commission, pursuant to the Public…”
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