Exhibit 12 FLORIDA POWER CORPORATION Statement of Computation of Ratios (Dollars In millions) Ratio of Earnings to Fixed Charges: Twelve Months Ended Year Ended March 31, December 31, 1998 1997 1997 1996 -------- -------- -------- -------- NET INCOME $140.5 $234.7 $135.9 $238.4 Add: Operating Income Taxes 71.9 132.8 69.9 135.8 Other Income Taxes .6 (.4) (.1) -------- -------- -------- -------- Income Before Taxes 213.0 367.1 205.8 374.1 Total Interest Charges 127.9 98.3 117.3 98.4 -------- -------- -------- -------- Total Earnings (A) $340.9 $465.4 $323.1 $472.5 Fixed Charges (B) $127.9 $ 98.3 $117.3 $ 98.4 -------- -------- -------- -------- Ratio of Earnings to Fixed Charges (A/B) 2.67 4.73 2.75 4.80 ======== ======== ======== ========