18 Exhibit 12.2 Boston Edison Company Computation of Ratio of Earnings to Fixed Charges and Preferred Stock Dividend Requirements Twelve Months Ended September 30, 1995 (in thousands) Net income from continuing operations $129,753 Income taxes 76,864 Fixed charges 129,701 -------- Total $336,318 ======== Interest expense $119,679 Interest component of rentals 10,022 -------- Subtotal 129,701 ======== Preferred stock dividend requirements 24,503 -------- Total $154,204 ======== Ratio of earnings to fixed charges and preferred stock dividend requirements 2.18 ====