EXHIBIT 12(b) HAWAIIAN ELECTRIC COMPANY, INC. COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS Years ended December 31, 1996, 1995, 1994, 1993 and 1992 1996 1995 1994 1993 1992 ---- ---- ---- ---- ---- (DOLLARS IN THOUSANDS) FIXED CHARGES Total interest charges ......................... $ 47,451 $ 44,377 $ 37,340 $ 35,287 $ 33,011 Interest component of rentals .................. 690 672 808 970 1,070 Pretax preferred stock dividend requirements .................................. 10,681 11,216 11,700 10,648 9,574 -------- -------- -------- -------- -------- TOTAL FIXED CHARGES ............................ $ 58,822 $ 56,265 $ 49,848 $ 46,905 $ 43,655 ======== ======== ======== ======== ======== EARNINGS Net income for common stock .................... $ 81,348 $ 72,897 $ 61,645 $ 51,705 $ 49,153 Fixed charges, as shown ........................ 58,822 56,265 49,848 46,905 43,655 Income taxes (see note below) .................. 55,888 50,198 43,588 36,897 23,843 Allowance for borrowed funds used during construction ........................... (5,862) (5,112) (4,043) (3,869) (2,095) -------- -------- -------- -------- -------- EARNINGS AVAILABLE FOR FIXED CHARGES AND PREFERRED STOCK DIVIDENDS ................. $190,196 $174,248 $151,038 $131,638 $114,556 ======== ======== ======== ======== ======== RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED STOCK DIVIDENDS ................. 3.23 3.10 3.03 2.81 2.62 ======== ======== ======== ======== ======== NOTE: Income taxes is comprised of the following Income tax expense relating to operating income for regulatory purposes ..................................... $ 56,170 $ 50,719 $ 43,820 $ 37,007 $ 26,254 Income tax benefit relating to nonoperating loss ............................ (282) (521) (232) (110) (2,411) -------- -------- -------- -------- -------- $ 55,888 $ 50,198 $ 43,588 $ 36,897 $ 23,843 ======== ======== ======== ======== ========