EXHIBIT 12.1 CENTRAL POWER AND LIGHT COMPANY (CONSOLIDATED) RATIO OF EARNINGS TO FIXED CHARGES FOR THE TWELVE MONTHS ENDED JUNE 30, 1998 (Thousands Except Ratio) (Unaudited) Operating Income $280,732 Adjustments: Income taxes 34,560 Provision for deferred income taxes 59,865 Deferred investment tax credits (4,528) Other income and deductions 8,674 Allowance for borrowed and equity funds used during construction 3,212 --------- Earnings $382,515 ========= Fixed Charges: Interest on long-term debt $98,030 Interest on short-term debt and other 20,848 Nuclear Decommissioning Trust 6,379 Distributions on Trust Preferred Securities 11,985 --------- Fixed Charges $137,242 ========= Ratio of Earnings to Fixed Charges 2.79 =========