Exhibit 12 FLORIDA POWER CORPORATION Statement of Computation of Ratios (Dollars In millions) Ratio of Earnings to Fixed Charges: Twelve Months Ended Year Ended June 30, December 31, 1998 1997 1997 1996 ------ ------ ------ ------ NET INCOME $207.3 $180.1 $135.9 $238.4 Add: Operating Income Taxes 115.7 97.4 69.9 135.8 Other Income Taxes .2 - - (.1) ------ ----- ------ ------ Income Before Taxes 323.2 277.5 205.8 374.1 Total Interest Charges 137.0 99.9 117.3 98.4 ------ ------ ------ ------ Total Earnings (A) $460.2 $377.4 $323.1 $472.5 Fixed Charges (B) $137.0 $ 99.9 $117.3 $98.4 ------ ------ ------ ------ Ratio of Earnings to Fixed Charges (A/B) 3.36 3.78 2.75 4.80 ====== ====== ====== ======