EXHIBIT 12-1 PECO ENERGY COMPANY AND SUBSIDIARY COMPANIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES SEC METHOD ($000) 3 MONTHS ENDED 03/31/98 -------- NET INCOME $113,554 ADD BACK: - - INCOME TAXES: OPERATING INCOME 73,838 NON-OPERATING INCOME (5,105) -------- NET TAXES 68,733 - - FIXED CHARGES: INTEREST APPLICABLE TO DEBT 83,691 ANNUAL RENTALS 2,101 -------- TOTAL FIXED CHARGES 85,792 ADJUSTED EARNINGS INCLUDING AFUDC $268,079 ======== RATIO OF EARNINGS TO FIXED CHARGES 3.12 ====