<TABLE> <S> <C>
<ARTICLE> UT
<CIK> 0000079732
<NAME> POTOMAC ELECTRIC POWER COMPANY
<SUBSIDIARY>
<NUMBER> 1
<NAME> PEPCO HOLDINGS, INC.
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> SEP-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 4,542,100
<OTHER-PROPERTY-AND-INVEST> 0
<TOTAL-CURRENT-ASSETS> 878,000
<TOTAL-DEFERRED-CHARGES> 904,700<F1>
<OTHER-ASSETS> 668,500
<TOTAL-ASSETS> 6,993,300
<COMMON> 118,500
<CAPITAL-SURPLUS-PAID-IN> 828,100<F2>
<RETAINED-EARNINGS> 817,700
<TOTAL-COMMON-STOCKHOLDERS-EQ> 1,764,300
49,500
40,800
<LONG-TERM-DEBT-NET> 2,654,800
<SHORT-TERM-NOTES> 0
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 497,100
<LONG-TERM-DEBT-CURRENT-PORT> 40,000
3,700
<CAPITAL-LEASE-OBLIGATIONS> 152,000
<LEASES-CURRENT> 20,800
<OTHER-ITEMS-CAPITAL-AND-LIAB> 1,770,300<F3>
<TOT-CAPITALIZATION-AND-LIAB> 6,993,300
<GROSS-OPERATING-REVENUE> 2,018,000
<INCOME-TAX-EXPENSE> 121,100
<OTHER-OPERATING-EXPENSES> 1,543,200<F4>
<TOTAL-OPERATING-EXPENSES> 1,664,300
<OPERATING-INCOME-LOSS> 353,700
<OTHER-INCOME-NET> 0
<INCOME-BEFORE-INTEREST-EXPEN> 353,700
<TOTAL-INTEREST-EXPENSE> 165,200
<NET-INCOME> 188,500
4,100
<EARNINGS-AVAILABLE-FOR-COMM> 184,400
<COMMON-STOCK-DIVIDENDS> 144,600
<TOTAL-INTEREST-ON-BONDS> 192,400<F5>
<CASH-FLOW-OPERATIONS> 275,400
<EPS-BASIC> $1.59
<EPS-DILUTED> $1.56
<FN>
<F1>Includes $419,400 for Regulatory Assets and $485,300 for Other Deferred
Charges.
<F2>Includes $185,500 reduction for cost of shares of common stock held in
treasury.
<F3>Includes mandatorily redeemable preferred securities of subsidiary trust.
<F4>Includes Loss from Equity Investments of $11,100.
<F5>Total annualized interest costs for all long-term debt and mandatorily
redeemable preferred securities of subsidiary trust outstanding at September
30, 2000.
</FN>
</TABLE>
