Exhibit 12.2 Boston Edison Company Computation of Ratio of Earnings to Fixed Charges and Preferred Stock Dividend Requirements Twelve Months Ended June 30, 2000 (in thousands) Net income from continuing operations $141,086 Income taxes 60,308 Fixed charges (including securitization certificates) 121,890 -------- Total $323,284 ======== Interest expense $108,990 Interest component of rentals 12,900 -------- Subtotal $121,890 -------- Preferred stock dividend requirements 8,508 -------- Total $130,398 ======== Ratio of earnings to fixed charges and preferred 2.48 stock dividends requirements ====