1 EXHIBIT 12.1 PPL MONTANA, LLC AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (Thousands of Dollars) 12/31/99 9/30/00 -------------- -------------- FIXED CHARGES Interest expense on Credit Facility 1,437 13,935 Amortization of Financing Costs 588 3,611 Interest accrued on Wholesale Energy Comm. - 5,382 Estimated Interest within rental expense - 2,855 Preference security Dividend - - -------------- -------------- 2,005 25,783 ============== ============== EARNINGS Pretax Net Income/Loss (1,239) 31,303 Fixed Charges 2,005 25,783 -------------- -------------- 766 57,086 LESS: Interest Capitalized - - Preference Security Dividend - - -------------- -------------- Earnings 766 57,086 -------------- -------------- Ratio of Earnings to Fixed Charges 0.38 2.21 ============== ==============