Exhibit 12(a) PPL CORPORATION AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (Millions of Dollars) 12 Months Ended 12 Months Ended March 31, December 31, ----------------- ------------------------------------------------------ 2000 1999 1998 1997 1996 ---------------- ------------ ------------ ------------ ----------- Fixed charges, as defined: Interest on long-term debt ............... $ 254 $233 $203 $196 $207 Interest on short-term debt and other interest .................... 52 47 33 26 17 Amortization of debt discount, expense and premium - net....................... 5 4 2 2 2 Interest on capital lease obligations Charged to expense ................... 10 8 8 9 13 Capitalized .......................... 1 2 2 2 Estimated interest component of operating rentals ...................... 21 20 18 15 8 Proportionate share of fixed charges of 50-percent-or-less-owned persons ................................ 1 1 1 1 ----------- ------------ ------------ ------------ ----------- Total fixed charges .............. $ 342 $314 $267 $251 $250 =========== ============ ============ ============ =========== Earnings, as defined: Net income (a)............................ $ 499 $478 $379 $296 $329 Preferred and Preference Stock Dividend Requirements............................ 26 26 25 24 28 Less undistributed income of less than 50-percent-owned persons ........ ----------- ------------ ------------ ------------ ----------- 525 504 404 320 357 Add (Deduct): Income taxes ............................. 182 174 259 238 253 Amortization of capitalized interest on capital leases...................... 2 2 2 2 4 Total fixed charges as above (excluding capitalized interest on capital lease obligations) .......... 342 313 265 248 248 ----------- ------------ ------------ ------------ ----------- Total earnings ................... $1,051 $993 $930 $808 $862 =========== ============ ============ ============ =========== Ratio of earnings to fixed charges (b) .............................. 3.07 3.16 3.48 3.22 3.45 =========== ============ ============ ============ =========== (a) 2000, 1999 and 1998 net income excluding extraordinary items. (b) Based on earnings excluding one-time adjustments, the ratio of earnings to fixed charges are: March 2000, 2.80; 1999, 2.86; 1998, 3.10; and 1997, 3.40