EXHIBIT 12 HOUSTON LIGHTING & POWER COMPANY COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES AND RATIOS OF EARNINGS TO FIXED CHARGES AND PREFERRED DIVIDENDS (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........... $ 122,917 $ 246,051 (2) Other Interest....................... 3,924 7,668 (3) Amortization of (Premium) Discount.......................... 4,247 8,489 (4) Interest Component of Rentals Charged to Operating Expense......... 1,926 3,967 ------------------ ------------------ (5) Total Fixed Charges............. $ 133,014 $ 266,175 ================== ================== Earnings as Defined: (6) Net Income........................... $ 192,217 $ 478,140 ------------------ ------------------ Federal Income Taxes: (7) Current.............................. 61,609 165,957 (8) Deferred (Net)....................... 34,276 75,502 ------------------ ------------------ (9) Total Federal Income Taxes........... 95,885 241,459 ------------------ ------------------ (10) Total Fixed Charges (line 5)......... 133,014 266,175 ------------------ ------------------ (11) Earnings Before Income Taxes and Fixed Charges (line 6 plus line 9 plus line 10).............. $ 421,116 $ 985,774 ================== ================== Ratio of Earnings to Fixed Charges (line 11 divided by line 5)............... 3.17 3.70 Preferred Dividends Requirements: (12) Preferred Dividends ................. $ 16,435 $ 33,342 (13) Less Tax Deduction for Preferred Dividends............... 27 54 ------------------ ------------------ (14) Total........................... 16,408 33,288 (15) Ratio of Pre-Tax Income to Net Income (line 6 plus line 9 divided by line 6)................ 1.50 1.50 ------------------ ------------------ (16) Line 14 times line 15................ 24,612 49,932 (17) Add Back Tax Deduction (line 13)......................... 27 54 ------------------ ------------------ (18) Preferred Dividends Factor........... $ 24,639 $ 49,986 ================== ================== (19) Total Fixed Charges (line 5)......... $ 133,014 $ 266,175 (20) Preferred Dividends Factor (line 18)......................... 24,639 49,986 ------------------ ------------------ (21) Total........................... $ 157,653 $ 316,161 ================== ================== Ratio of Earnings to Fixed Charges and Preferred Dividends Requirements (line 11 divided by line 21).............. 2.67 3.12