Section 170IAC5-1-20. Standard heating value; allowable variations

   Heating Value. (A) Standard heating value of the gas distributed by a public utility shall be that of its major suppliers as shown on its rate schedules or as filed with the Commission.

  (B) Variation from standard heating value is permissible, on injection into the distribution system of substitute gases, to maintain a quality of gas interchangeable with the utility's standard heating value. Heating value shall not be allowed to fall more than five (5) percent below the heating value upon which the utility's rates are predicated. (Indiana Utility Regulatory Commission; No. 34613: Standards of Service For Gas Public Utilities Rule 18; filed Oct 14, 1976, 10:20 am: Rules and Regs. 1977, p. 409; readopted filed Jul 11, 2001, 4:30 p.m.: 24 IR 4233; readopted filed Apr 24, 2007, 8:21 a.m.: 20070509-IR-170070147RFA; readopted filed Aug 2, 2013, 2:16 p.m.: 20130828-IR-170130227RFA)