EXHIBIT 12 HOUSTON INDUSTRIES INCORPORATED AND SUBSIDIARIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (THOUSANDS OF DOLLARS) NINE TWELVE MONTHS ENDED MONTHS ENDED SEPTEMBER 30, 1995 SEPTEMBER 30, 1995 ------------------ ------------------ Fixed Charges as Defined: (1) Interest on Long-Term Debt........................... $ 204,436 $ 270,561 (2) Other Interest....................................... 21,454 28,020 (3) Preferred Dividends Factor of Subsidiary................................... 34,578 47,077 (4) Interest Component of Rentals Charged to Operating Expense.................... 2,686 3,688 ------------------ ------------------ (5) Total Fixed Charges.................................. $ 263,154 $ 349,346 ================== ================== Earnings as Defined: (6) Income from Continuing Operations Before Cumulative Effect of Change in Accounting............................ $ 392,970 $ 398,809 (7) Income Taxes for Continuing Operations Before Cumulative Effect of Change in Accounting.................. 193,976 192,240 (8) Total Fixed Charges (line 5)......................... 263,154 349,346 ------------------ ------------------ (9) Income from Continuing Operations Before Cumulative Effect of Change in Accounting, Income Taxes and Fixed Charges......................... $ 850,100 $ 940,395 ================== ================== Preferred Dividends Factor of Subsidiary: (10) Preferred Stock Dividends of Subsidiary...................................... $ 23,207 $ 31,809 (11) Ratio of Pre-Tax Income from Continuing Operations to Income from Continuing Operations (line 6 plus line 7 divided by line 6)...................................... 1.49 1.48 ------------------ ------------------ (12) Preferred Dividends Factor of Subsidiary (line 10 times line 11)........................................ $ 34,578 $ 47,077 ================== ================== Ratio of Earnings to Fixed Charges (line 9 divided by line 5).................................. 3.23 2.69