Exhibit 12 FLORIDA POWER CORPORATION Statement of Computation of Ratios (Dollars In Millions) Ratio of Earnings to Fixed Charges: Twelve-Months Year Ended Ended June 30, December 31, 1997 1996 1996 1995 ------ ------ ------ ------ Net Income $180.1 $231.8 $238.4 $227.0 Add: Operating Income Taxes 97.4 132.3 135.8 129.5 Other Income Taxes 0 0.2 (.1) 0.1 ------ ------ ------ ------ Income Before Taxes 277.5 364.3 374.1 356.6 Total Interest Charges 99.9 100.7 98.4 104.5 ------ ------ ------ ------ Total Earnings (A) $377.4 $465.0 $472.5 $461.1 ------ ------ ------ ------ Fixed Charges (B) $ 99.9 $100.7 $ 98.4 $104.5 ------ ------ ------ ------ Ratio of Earnings to Fixed Charges (A/B) 3.78 4.62 4.80 4.41 ===== ===== ===== =====