<TABLE> <S> <C>
<ARTICLE> UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALTIMORE
GAS AND ELECTRIC COMPANY'S SEPTEMBER 30, 2000 INTERIM CONSOLIDATED INCOME
STATEMENT, BALANCE SHEET AND STATEMENT OF CASH FLOWS AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH STATEMENTS.
</LEGEND>
<CIK> 0000009466
<NAME> Baltimore Gas and Electric
Company
<MULTIPLIER> 1,000,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 3,150
<OTHER-PROPERTY-AND-INVEST> 167
<TOTAL-CURRENT-ASSETS> 705
<TOTAL-DEFERRED-CHARGES> 553
<OTHER-ASSETS> 0
<TOTAL-ASSETS> 4,575
<COMMON> 454
<CAPITAL-SURPLUS-PAID-IN> 0
<RETAINED-EARNINGS> 309
<TOTAL-COMMON-STOCKHOLDERS-EQ> 763
0
190
<LONG-TERM-DEBT-NET> 1,745
<SHORT-TERM-NOTES> 0
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 258
<LONG-TERM-DEBT-CURRENT-PORT> 310
0
<CAPITAL-LEASE-OBLIGATIONS> 0
<LEASES-CURRENT> 0
<OTHER-ITEMS-CAPITAL-AND-LIAB> 1,309
<TOT-CAPITALIZATION-AND-LIAB> 4,575
<GROSS-OPERATING-REVENUE> 2,070
<INCOME-TAX-EXPENSE> 76
<OTHER-OPERATING-EXPENSES> 1,745
<TOTAL-OPERATING-EXPENSES> 1,821
<OPERATING-INCOME-LOSS> 249
<OTHER-INCOME-NET> 10
<INCOME-BEFORE-INTEREST-EXPEN> 259
<TOTAL-INTEREST-EXPENSE> 139
<NET-INCOME> 120
10
<EARNINGS-AVAILABLE-FOR-COMM> 110
<COMMON-STOCK-DIVIDENDS> 0
<TOTAL-INTEREST-ON-BONDS> 129
<CASH-FLOW-OPERATIONS> 476
<EPS-BASIC> 0
<EPS-DILUTED> 0
</TABLE>