EXHIBIT 12(A) PUBLIC SERVICE ELECTRIC AND GAS COMPANY COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES YEARS ENDED DECEMBER 31, -------------------------------------------------------------- 1991 1992 1993 1994 1995 ---------- ---------- ---------- ---------- ---------- (THOUSANDS OF DOLLARS) Net Income....................... $ 545,479 $ 475,936 $ 614,868 $ 659,406 $ 616,964 Plus Income Taxes (A)............ 261,912 223,782 307,414 301,447 325,737 ---------- ---------- ---------- ---------- ---------- Income Before Income Taxes....... 807,391 699,718 922,282 960,853 942,701 ---------- ---------- ---------- ---------- ---------- Fixed Charges Interest Charges (B)........... 358,517 401,902 389,956 395,925 406,869 Interest Factor in Rentals..... 9,311 9,591 11,090 12,120 11,956 ---------- ---------- ---------- ---------- ---------- Total.................. 367,828 411,493 401,046 408,045 418,825 ---------- ---------- ---------- ---------- ---------- Earnings Before Fixed Charges.... $1,175,219 $1,111,211 $1,323,328 $1,368,898 $1,361,526 ========== ========== ========== ========== ========== Ratio............................ 3.20 2.70 3.30 3.35 3.25 ==== ==== ==== ==== ==== (A) Includes state income taxes and federal income taxes for other income. (B) Excludes 1991 and 1992 interest expense on decommissioning costs of $6,956 and $5,208, respectively. Effective January 1, 1992, accounting was changed to follow Federal Energy Regulatory Commission guidelines.