1 EXHIBIT 12(A) PUBLIC SERVICE ELECTRIC AND GAS COMPANY COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES YEAR ENDED DECEMBER 31, ------------------------------------------------------------- 1989 1990 1991 1992 1993 --------- --------- --------- --------- --------- (THOUSANDS OF DOLLARS) Net Income....................... $ 544,374 $ 537,619 $ 545,479 $ 475,936 $ 614,868 Plus Income Taxes................ 214,299 209,360 261,912 223,782 307,414 --------- --------- --------- --------- --------- Net Income Before Income Taxes... 758,673 746,979 807,391 699,718 922,282 --------- --------- --------- --------- --------- Fixed Charges Interest Charges............... 333,717 346,020 358,517 401,902 389,956 Interest Factor in Rentals..... 8,908 9,162 9,311 9,591 11,090 --------- --------- --------- --------- --------- Total.................. 342,625 355,182 367,828 411,493 401,046 --------- --------- --------- --------- --------- Earnings Before Fixed Charges.... $1,101,298 $1,102,161 $1,175,219 $1,111,211 $1,323,328 --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- Ratio............................ 3.21 3.10 3.20 2.70 3.30 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 2