EXHIBIT 12-1 PECO ENERGY COMPANY AND SUBSIDIARY COMPANIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES SEC METHOD ($000) 3 MONTHS ENDED 03/31/97 -------- NET INCOME $112,999 ADD BACK: - - INCOME TAXES: OPERATING INCOME 93,566 NON-OPERATING INCOME (1,879) ------- NET TAXES 91,687 - - FIXED CHARGES: INTEREST APPLICABLE TO DEBT 89,384 ANNUAL RENTALS 1,995 ------- TOTAL FIXED CHARGES 91,379 ADJUSTED EARNINGS INCLUDING AFUDC $296,065 ======== RATIO OF EARNINGS TO FIXED CHARGES 3.24 ====