EXHIBIT 12 HOUSTON INDUSTRIES INCORPORATED AND SUBSIDIARIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (THOUSANDS OF DOLLARS) SIX TWELVE MONTHS ENDED MONTHS ENDED JUNE 30, 1995 JUNE 30, 1995 ------------------ ------------------ Fixed Charges as Defined: (1) Interest on Long-Term Debt.......... $ 129,258 $ 261,751 (2) Other Interest...................... 18,677 30,718 (3) Preferred Dividends Factor of Subsidiary.................... 24,324 50,346 (4) Interest Component of Rentals Charged to Operating Expense..... 1,926 3,967 ------------------ ------------------ (5) Total Fixed Charges................. $ 174,185 $ 346,782 ================== ================== Earnings as Defined: (6) Income from Continuing Operations Before Cumulative Effect of Change in Accounting............. $ 157,109 $ 405,187 (7) Income Taxes for Continuing Operations Before Cumulative Effect of Change in Accounting... 76,136 207,254 (8) Total Fixed Charges (line 5)........ 174,185 346,782 ------------------ ------------------ (9) Income from Continuing Operations Before Cumulative Effect of Change in Accounting, Income Taxes and Fixed Charges.......... $ 407,430 $ 959,223 ================== ================== Preferred Dividends Factor of Subsidiary: (10) Preferred Stock Dividends of Subsidiary....................... $ 16,435 $ 33,342 (11) Ratio of Pre-Tax Income from Continuing Operations to Income from Continuing Operations (line 6 plus line 7 divided by line 6)....................... 1.48 1.51 ------------------ ------------------ (12) Preferred Dividends Factor of Subsidiary (line 10 times line 11)......................... $ 24,324 $ 50,346 ================== ================== Ratio of Earnings to Fixed Charges (line 9 divided by line 5)............... 2.34 2.77