EXHIBIT 12.01 NORTHERN STATES POWER COMPANY (a Wisconsin corporation) STATEMENT OF COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Twelve Months Ended September 30, 1996 1995 1994 1993 1992 1991 ------------------ ---- ---- ---- ---- ---- (Thousands of dollars) Earnings Income from continuing operations $38,899 $39,217 $38,545 $38,007 $38,200 $36,552 Add Taxes based on income Federal income taxes (1) 18,918 18,463 9,366 13,794 16,294 14,585 State income taxes (1) 4,610 4,676 2,711 3,091 3,475 3,279 Deferred income taxes-net (1) 1,529 1,838 7,678 7,162 3,088 4,318 Investment tax credit adjustment - net (916) (936) (943) (948) (956) (971) ------- ------- ------- ------- ------- ------- Total Pretax Income $63,040 $63,258 $57,357 $61,106 $60,101 $57,763 ------- ------- ------- ------- ------- ------- Fixed charges Interest on Long-Term Debt $15,899 $16,038 $15,995 $16,343 $17,269 $15,863 Amortization of Debt Premium, Discount & Expense 766 768 767 1,995 435 423 Other Interest Expense 2,515 2,780 1,293 411 422 973 Interest Factors of Rents: Nuclear Fuel Other ------- ------- ------- ------- ------- ------- Total Fixed Charges $19,180 $19,586 $18,055 $18,749 $18,126 $17,259 ------- ------- ------- ------- ------- ------- Earnings (before Income Taxes) & Fixed Charges $82,220 $82,844 $75,412 $79,855 $78,227 $75,022 ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- Ratio of earnings to fixed charges 4.29 4.23 4.18 4.26 4.32 4.35 ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- (1) Includes income taxes included in Miscellaneous Income Deductions and Non-operating Taxes.