EXHIBIT 12-1 PECO ENERGY COMPANY AND SUBSIDIARY COMPANIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES SEC METHOD ($000) 6 MONTHS ENDED 06/30/97 -------- NET INCOME $235,856 ADD BACK: - - INCOME TAXES: OPERATING INCOME 166,627 NON-OPERATING INCOME 24,694 ------- NET TAXES 191,321 - - FIXED CHARGES: INTEREST APPLICABLE TO DEBT 179,686 ANNUAL RENTALS 4,249 ------- TOTAL FIXED CHARGES 183,935 ADJUSTED EARNINGS INCLUDING AFUDC $611,112 ======== RATIO OF EARNINGS TO FIXED CHARGES 3.32 ====