EXHIBIT (12) COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES Twelve Months Ended September 30, 2001 ----------------------- Income before provision for income taxes and fixed charges (Note A) $ 47,839,355 Fixed charges: Interest on first mortgage bonds $ 17,272,119 Amortization of debt discount and expense less premium 1,073,997 Interest on short-term debt 2,654,808 Interest on other long-term debt 8,172,184 Interest on trust preferred distributions by subsidiary holding solely parent debentures 2,479,167 Other interest 423,012 Rental expense representative of an interest factor (Note B) 20,672 ----------------------- Total fixed charges 32,095,959 Ratio of income before provision for incomes taxes to net income 1.154x ----------------------- Ratio of earnings to fixed charges 1.49x NOTE A: For the purpose of determining earnings in the calculation of the ratio, net income has been increased by the provision for income taxes, non-operating income taxes and by the sum of fixed charges as shown above. NOTE B: One-third of rental expense (which approximates the interest factor).