{"data":{"id":"us-il/220-ilcs-5-9-211","jurisdiction":"us-il","citation":"220 ILCS 5/9-211","heading":"","body":"The Commission, in any determination of rates or charges, shall include in a utility's rate base only the value of such investment which is both prudently incurred and used and useful in providing service to public utility customers.","path":["CHAPTER 220 UTILITIES","Public Utilities Act."],"source_url":"https://www.ilga.gov/legislation/ILCS/details?ActID=1277\u0026ChapterID=23\u0026ChapAct=FullText\u0026Print=True","current_through":"at least Public Act 104-790","vintage":"","retrieved_at":"2026-09-15T04:46:30Z","sha256":"35383fdb1e9ad12e8423e485dd34a3e005c8308eb657d7596f3dd2bcc3b9b8a8","source_id":"us-il","stale":false,"prev":"us-il/220-ilcs-5-9-210.6","next":"us-il/220-ilcs-5-9-211.7"},"notice":"GroundRules: Original legal text. Not legal advice."}