Exhibit 12.2 NSTAR Computation of Ratio of Earnings to Fixed Charges and Preferred Stock Dividend Requirements Twelve Months Ended March 31, 2000 (in thousands) Net income from continuing operations $164,000 Income taxes 73,430 Fixed charges 169,831 -------- Total $407,261 ======== Interest expense $152,831 Interest component of rentals 17,000 -------- Subtotal 169,831 -------- Preferred stock dividend requirements 8,629 -------- Total $178,460 ======== Ratio of earnings to fixed charges and preferred stock dividend requirements 2.28 ========