§ 57.122. Definitions.
The following words and terms, when used in this subchapter, have the following meanings, unless the context clearly indicates otherwise:
Coal-fired unitAn electric generating station fueled by coal or coal derivatives.
Equivalent availabilityA measure of generating unit availability calculated as follows:
Net dependable capacityGross dependable capacity less capacity utilized for station service or auxiliary load.
Present value revenue requirementTotal annual revenue, discounted to present dollars at the time of calculation, necessary to cover costs and expenses, assuming normal ratemaking treatments.
Qualified projectCapital improvement of a coal-fired unit which will result in an uprating or extension of useful life of the unit, and is economically feasible with benefit of the uprating equal to or greater than the cost of the project based upon present value revenue requirement calculations.
UpgradingCapital investment which results in uprating of a coal-fired unit.
UpratingActual increased net dependable capacity of a coal-fired unit or improved equivalent availability of a unit.
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