Ill. Admin. Code tit. 83, pt. 791

Cost of Service

AUTHORITY: Implementing Section 13-507 and authorized by Section 10-101 of the Public Utilities Act [220 ILCS 5/13-507 and 10-101]. SOURCE: Adopted at 19 Ill. Reg. 11356, effective August 1, 1995; amended at 27 Ill. Reg. 4535, effective April 1, 2003; amended at 36 Ill. Reg. 15094, effective October 1, 2012.ILLINOIS COMMERCE COMMISSION

791.10Carriers Subject to Cost Rules 791.20Terminology 791.30Cost Causation Principle 791.40Methods and Assumptions 791.50Cost Study Component Presentation 791.60General Cost Study Components 791.70Investment-related Cost Study Components 791.80Annual Cost Study Components 791.90Subsidy Tests 791.100Required LRSIC Filings 791.200Aggregate Revenue Test for Competitive Services