Illinois Administrative Code
Title 83 - PUBLIC UTILITIES
Part 425 - UNIFORM ELECTRIC FUEL ADJUSTMENT
Section 425.40 - Interpretation
Current through Register Vol. 48, No. 52, December 27, 2024
a) Economic dispatch. Economic dispatch means the operation of the electric utility's system, utilizing the source of available power to achieve minimum overall costs, taking into consideration the utility's voltage, frequency, reliability, environmental, safety and service quality requirements, as well as the utility's existing contractual obligations. The utility shall adhere to the principles of economic dispatch unless under unusual circumstances the prudent operation of the utility's system dictates otherwise. If there is a deviation from economic dispatch or any use of less than 100% of the fuel cost of any resource in the dispatch, the deviation shall be fully explained in the initial monthly filing after the facts giving rise to such deviation first occur. Subsequent filings which continue to be affected by facts previously explained need not be accompanied by such explanation.
b) Billing period. The billing period is defined as the period beginning with the first billing cycle of the month for which the FAC is being determined and ending with the last billing cycle thereof.
c) Allowable fuel and fuel related charges (CF).
d) Allowable Energy Costs Associated with Purchased Power (CPP) represents only the energy cost portion of emergency and contract purchases. It represents the energy and demand cost portions of economy purchases. Non-monetary exchanges of power are not included. Mt. Carmel Public Utility Co., and South Beloit Water, Gas and Electric Company are permitted to include in their computation of purchased power cost (CPP) the demand charges associated with such purchases.
e) Base Fuel Cost (BFC). The base fuel costs in cents per KWH rounded to the nearest .001 included in the energy charges of the utility's rates.
f) Non-jurisdictional sales. Sales not subject to the jurisdiction of the Commission.
g) Desulfurization Cost. Payment for professional services, licenses, etc. for the implementation and operation of a process for the desulfurization of the flue gas when burning high sulfur coal at any location within the state of Illinois irrespective of the attainment status designation of such location, except for any fees or costs related to a service contract to the extent that recovery of comparable costs would not be permitted through the FAC if incurred directly by a utility owning and operating such a facility (Section 9-220 of the Act). If fees are more than 10% of the estimated fuel cost for the month (CF + CPP - CNS) excluding the desulfurization fees, they shall be deferred (Account #186, Miscellaneous Deferred Debits) and amortized at a rate which will permit the charge off of the deferred amount in the shortest time frame, while conforming to the 10% restraint.
h) CNS Energy Cost. Energy cost associated with CNS, consisting of generation fuel cost (CF) and purchased power cost (CPP).
i) Average CNS Energy Cost. Average cost associated with CNS energy cost per kWh shall be computed as a fraction, the numerator of which equals the total energy cost, less costs attributable to interchange power sales and energy costs associated with sales made to retail customers as a "competitive service", as that term is defined in Section 16-102 of the Act. The denominator of the fraction shall equal the number of kWh of electricity, the costs of which are included in total energy cost, less the number of kWh the costs of which are excluded from the numerator of this fraction.
j) Incremental Energy Cost. The incremental cost of a transaction is the additional energy cost incurred by the utility as a direct result of the transaction.