ILCS » Chapter 220 · Act 5
Illinois Compiled Statutes

220 ILCS 5/8-401 (2026)

Every public utility subject to this Act shall provide service and facilities which are in all respects adequate, efficient, reliable and environmentally safe and which, consistent with these obligations, constitute the least-cost means of meeting the utility's service obligations

✓ current as of May 2026
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(220 ILCS 5/8-401) (from Ch. 111 2/3, par. 8-401)
    Sec. 8-401. Every public utility subject to this Act shall provide service and facilities which are in all respects adequate, efficient, reliable and environmentally safe and which, consistent with these obligations, constitute the least-cost means of meeting the utility's service obligations.
(Source: P.A. 84-617.)

    
Notes of Decisions
Cited in 4 cases, 1994–2011 · leading case: In Re Illinois Bell Switching Station Litig., 641 N.E.2d 440 (Ill. 1994).
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In Re Illinois Bell Switching Station Litig., 641 N.E.2d 440 (Ill. 1994). · cites it 4× “" (220 ILCS 5/8-401 (West 1992).) Commission Rule 402(a) requires *443 Bell to adopt and pursue maintenance programs aimed at preventing service interruptions.”
Sheffler v. Commonwealth Edison Co., 955 N.E.2d 1110 (Ill. 2011). · cites it 2× “' (220 ILCS 5/8-401 (West 1992).) Adequate, efficient and reliable service is not tantamount to infallible service.”
Adams v. N. Illinois Gas Co., 809 N.E.2d 1248 (Ill. 2004). “In addition, regarding the duties of public utilities to providing services and facilities, the Act requires that: "Every public utility subject to this Act shall provide service and facilities which are in all respects adequate, efficient, reliable and environmentally safe and…”
Sheffler v. Commonwealth Edison Co., 2011 IL 110166 (Ill. 2011). “” 220 ILCS 5/8-401 (West 2006). As Illinois Bell Switching Station recognized, adequate, efficient and reliable service is not tantamount to infallible service.”
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