83 Ill. Adm. Code 525.30
Cost Basis
Section 525
Section 525.30 Cost Basis
The Gas Charge(s) shall
represent the utility's estimate of recoverable gas costs (as prescribed in
Section 525.40) to be incurred during the base period, with an adjustment to
such costs through use of Adjustment Factors (as prescribed in Sections 525.50,
525.60 and 525.70). Any Gas Charge(s) established to recover commodity gas
costs (separately or in conjunction with non-commodity gas costs) shall use an
estimate of the recoverable costs to be incurred during the effective month.
Any Gas Charge(s) established to recover only non-commodity gas costs shall use
an estimate of the recoverable costs to be incurred during the remaining months
of the reconciliation year.