Exhibit 12 FLORIDA POWER CORPORATION Statement of Computation of Ratios (Dollars In Millions) Ratio of Earnings to Fixed Charges: 1993 1992 1991 1990 1989 ------ ------ ------ ------ ------ Net Income $194.9 $186.9 $180.9 $182.3 $184.0 Add: Operating Income Taxes 104.5 97.7 92.8 102.0 86.5 Other Income Taxes (0.1) (0.2) (0.1) 1.0 (0.7) ------ ------ ------ ------ ------ Income Before Taxes 299.3 284.4 273.6 285.3 269.8 Total Interest Charges 105.8 100.2 95.2 98.8 96.6 ------ ------ ------ ------ ------ Total Earnings (A) $405.1 $384.6 $368.8 $384.1 $366.4 ------ ------ ------ ------ ------ Fixed Charges (B) $105.8 $100.2 $95.2 $98.8 $96.6 ------ ------ ------ ------ ------ Ratio of Earnings to Fixed Charges (A/B) 3.83 3.84 3.87 3.89 3.79 ====== ====== ====== ====== ======