EXHIBIT 12(b) FLORIDA POWER & LIGHT COMPANY COMPUTATION OF RATIOS Years Ended December 31, 1999 1998 1997 1996 1995 (Millions of Dollars) RATIO OF EARNINGS TO FIXED CHARGES Earnings, as defined: Net income .................................................... $ 591 $ 631 $ 627 $ 615 $ 611 Income taxes .................................................. 324 349 321 322 342 Fixed charges, as below ....................................... 174 209 240 262 286 Total earnings, as defined .................................. $1,089 $1,189 $1,188 $1,199 $1,239 Fixed charges, as defined: Interest charges .............................................. $ 163 $ 196 $ 227 $ 246 $ 270 Rental interest factor ........................................ 3 4 4 5 5 Fixed charges included in nuclear fuel cost ................... 8 9 9 11 11 Total fixed charges, as defined ............................. $ 174 $ 209 $ 240 $ 262 $ 286 Ratio of earnings to fixed charges .............................. 6.26 5.69 4.95 4.58 4.33 RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS Earnings, as defined: Net income .................................................... $ 591 $ 631 $ 627 $ 615 $ 611 Income taxes .................................................. 324 349 321 322 342 Fixed charges, as below ....................................... 174 209 240 262 286 Total earnings, as defined .................................. $1,089 $1,189 $1,188 $1,199 $1,239 Fixed charges, as defined: Interest charges .............................................. $ 163 $ 196 $ 227 $ 246 $ 270 Rental interest factor ........................................ 3 4 4 5 5 Fixed charges included in nuclear fuel cost ................... 8 9 9 11 11 Total fixed charges, as defined ............................. 174 209 240 262 286 Non-tax deductible preferred stock dividends .................... 15 15 19 24 43 Ratio of income before income taxes to net income ............... 1.55 1.55 1.51 1.52 1.56 Preferred stock dividends before income taxes ................... 23 23 29 36 68 Combined fixed charges and preferred stock dividends ............ $ 197 $ 232 $ 269 $ 298 $ 354 Ratio of earnings to combined fixed charges and preferred stock dividends ................................. 5.53 5.13 4.42 4.02 3.50