Exhibit 12 FLORIDA POWER CORPORATION Statement of Computation of Ratios (Dollars In Millions) Ratio of Earnings to Fixed Charges: 1998 1997 1996 1995 1994 ------ ------ ------ ------ ------ Net Income $250.1 $135.9 $238.4 $227.0 $200.8 Add: Operating Income Taxes 140.3 69.9 135.8 129.5 114.7 Other Income Taxes .7 -- (.1) (.1) (.8) ------- ------- ------- ------- ------- Income Before Taxes 391.1 205.8 374.1 356.6 314.7 Total Interest Charges 136.5 117.3 98.4 104.5 108.4 ------- ------- ------- ------- ------- Total Earnings (A) $527.6 $323.1 $472.5 $461.1 $423.1 ------- ------- ------- ------- ------- Fixed Charges (B) $136.5 $117.3 $98.4 $104.5 $108.4 ------- ------- ------- ------- ------- Ratio of Earnings to Fixed Charges (A/B) 3.87 2.75 4.80 4.41 3.90 ======= ======= ======= ======= =======