Exhibit 12-B Delmarva Power & Light Company Ratio of Earnings to Fixed Charges and Preferred Dividends ---------------------------------------------------------- (Dollars in Thousands) 12 Months Ended September 30, Year Ended December 31, ---------------------------------------------------------------- 2000 1999 1998 1997 1996 1995 ----------- ---------- ---------- ---------- -------- ---------- Income before extraordinary item $ 125,772 $ 142,179 $ 112,410 $ 105,709 $116,187 $ 117,488 Income taxes 82,325 95,321 72,276 72,155 78,340 75,540 ----------- ---------- ---------- -------- ------- ------- Fixed charges: Interest on long-term debt including amortization of discount, premium and expense 77,289 77,790 81,132 78,350 69,329 65,572 Other interest 6,215 6,117 9,328 12,835 12,516 10,353 Preferred dividend require- ments of a subsidiary trust 5,687 5,687 5,688 5,687 1,390 - ----------- ---------- ---------- ---------- --------- ---------- Total fixed charges 89,191 89,594 96,148 96,872 83,235 75,925 ----------- ---------- ---------- ---------- --------- ---------- Nonutility capitalized interest - - - (208) (311) (304) ----------- ---------- ---------- ---------- --------- ---------- Earnings before extraordinary item, income taxes, and fixed charges $ 297,288 $ 327,094 $ 280,834 $ 274,528 $277,451 $ 268,649 =========== ========== ========== ========== ========= =========== Fixed charges $ 89,191 $ 89,594 $ 96,148 $ $96,872 $ 83,235 $ 75,925 Preferred dividend requirements 8,073 7,417 7,150 7,556 14,961 16,185 ----------- ---------- ---------- ---------- --------- ----------- $ 97,264 $ 97,011 $ 103,298 $ 104,428 $ 98,196 $ 92,110 =========== ========== ========== ========== ========= =========== Ratio of earnings to fixed charges and preferred dividends 3.06 3.37 2.72 2.63 2.83 2.92 For purposes of computing the ratio, earnings are income before extraordinary item plus income taxes and fixed charges, less nonutility capitalized interest. Fixed charges consist of interest on long- and short-term debt, amortization of debt discount, premium, and expense, dividends on preferred securities of a subsidiary trust, plus the estimated interest component of rentals. Preferred dividend requirements represent annualized preferred dividend requirements multiplied by the ratio that pre-tax income bears to net income.