1 EXHIBIT 12 HOUSTON INDUSTRIES INCORPORATED AND SUBSIDIARIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (THOUSANDS OF DOLLARS) Twelve Months Ended December 31, -------------------------------------------------------------------- 1996 1995 1994 1993 1992 -------- -------- ---------- ---------- -------- Fixed Charges as Defined: (1) Interest on Long-Term Debt .................. $276,242 $279,491 $ 265,494 $ 304,462 $338,771 (2) Other Interest .............................. 33,738 21,586 25,076 15,145 23,323 (3) Preferred Dividends Factor of Subsidiary (line 12) ................................ 33,619 44,933 51,718 52,399 58,204 (4) Interest Component of Rentals Charged to Operating Expense ........................ 942 3,102 3,951 4,449 5,116 -------- -------- ---------- ---------- -------- (5) Total Fixed Charges ......................... $344,541 $349,112 $ 346,239 $ 376,455 $425,414 ======== ======== ========== ========== ======== Earnings as Defined: (6) Income from Continuing Operations Before Cumulative Effect of Change in Accounting ..................... $404,944 $397,400 $ 423,985 $ 440,531 $370,031 (7) Income Taxes for Continuing Operations Before Cumulative Effect of Change in Accounting ..................... 200,165 199,555 230,424 228,863 177,276 (8) Fixed Charges (line 5) ...................... 344,541 349,112 346,239 376,455 425,414 -------- -------- ---------- ---------- -------- (9) Earnings from Continuing Operations Before Cumulative Effect of Change in Accounting, Income Taxes and Fixed Charges .................................. $949,650 $946,067 $1,000,648 $1,045,849 $972,721 Preferred Dividends Factor of Subsidiary: (10) Preferred Stock Dividends of Subsidiary ..... $ 22,563 $ 29,955 $ 33,583 $ 34,473 $ 39,327 (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 1.50 1.54 1.52 1.48 -------- -------- ---------- ---------- -------- (12) Preferred Dividends Factor of Subsidiary (line 10 times line 11) .................. $ 33,619 $ 44,933 $ 51,718 $ 52,399 $ 58,204 ======== ======== ========== ========== ======== Ratio of Earnings from Continuing Operations to Fixed Charges Before Cumulative Effect of Change in Accounting (line 9 divided by line 5) ..................... 2.76 2.71 2.89 2.78 2.29