EXHIBIT 12 FLORIDA POWER & LIGHT COMPANY COMPUTATION OF RATIOS Six Months Ended June 30, 1997 (Thousands of Dollars) RATIO OF EARNINGS TO FIXED CHARGES Earnings, as defined: Net income .............................................................................. $273,783 Income taxes ............................................................................ 146,345 Fixed charges, as below ................................................................. 123,112 Total earnings, as defined ............................................................ $543,240 Fixed charges, as defined: Interest expense ........................................................................ $116,536 Rental interest factor .................................................................. 1,963 Fixed charges included in nuclear fuel cost ............................................. 4,613 Total fixed charges, as defined ....................................................... $123,112 Ratio of earnings to fixed charges ........................................................ 4.41 RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS Earnings, as defined: Net income .............................................................................. $273,783 Income taxes ............................................................................ 146,345 Fixed charges, as below ................................................................. 123,112 Total earnings, as defined ............................................................ $543,240 Fixed charges, as defined: Interest expense ........................................................................ $116,536 Rental interest factor .................................................................. 1,963 Fixed charges included in nuclear fuel cost ............................................. 4,613 Total fixed charges, as defined ....................................................... 123,112 Non-tax deductible preferred stock dividends .............................................. 10,050 Ratio of income before income taxes to net income ......................................... 1.53 Preferred stock dividends before income taxes ............................................. 15,377 Combined fixed charges and preferred stock dividends ...................................... $138,489 Ratio of earnings to combined fixed charges and preferred stock dividends ................. 3.92