<ARTICLE>                                                 UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM BALTIMORE GAS AND ELECTRIC COMPANY'S
SEPTEMBER 30, 1999 INTERIM CONSOLIDATED INCOME STATEMENT,
BALANCE SHEET AND STATEMENT OF CASH FLOWS AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH STATEMENTS.
</LEGEND>
<MULTIPLIER>                                                     1,000,000

                                                       
<PERIOD-TYPE>                                             9-MOS
<FISCAL-YEAR-END>                                         DEC-31-1999
<PERIOD-START>                                            JAN-01-1999
<PERIOD-END>                                              SEP-30-1999
<BOOK-VALUE>                                              PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                                            5,657
<OTHER-PROPERTY-AND-INVEST>                                            397
<TOTAL-CURRENT-ASSETS>                                                 708
<TOTAL-DEFERRED-CHARGES>                                               619
<OTHER-ASSETS>                                                           0
<TOTAL-ASSETS>                                                       7,381
<COMMON>                                                             1,494
<CAPITAL-SURPLUS-PAID-IN>                                                0
<RETAINED-EARNINGS>                                                    969
<TOTAL-COMMON-STOCKHOLDERS-EQ>                                       2,462
<PREFERRED-MANDATORY>                                                    0
<PREFERRED>                                                            190
<LONG-TERM-DEBT-NET>                                                 2,206
<SHORT-TERM-NOTES>                                                       0
<LONG-TERM-NOTES-PAYABLE>                                                0
<COMMERCIAL-PAPER-OBLIGATIONS>                                          23
<LONG-TERM-DEBT-CURRENT-PORT>                                          615
<PREFERRED-STOCK-CURRENT>                                                0
<CAPITAL-LEASE-OBLIGATIONS>                                              0
<LEASES-CURRENT>                                                         0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                                       1,885
<TOT-CAPITALIZATION-AND-LIAB>                                        7,381
<GROSS-OPERATING-REVENUE>                                            2,357
<INCOME-TAX-EXPENSE>                                                   166
<OTHER-OPERATING-EXPENSES>                                           1,735
<TOTAL-OPERATING-EXPENSES>                                           1,901
<OPERATING-INCOME-LOSS>                                                456
<OTHER-INCOME-NET>                                                       5
<INCOME-BEFORE-INTEREST-EXPEN>                                         461
<TOTAL-INTEREST-EXPENSE>                                               159
<NET-INCOME>                                                           302
<PREFERRED-STOCK-DIVIDENDS>                                             10
<EARNINGS-AVAILABLE-FOR-COMM>                                          292
<COMMON-STOCK-DIVIDENDS>                                               188
<TOTAL-INTEREST-ON-BONDS>                                              130
<CASH-FLOW-OPERATIONS>                                                 572
<EPS-BASIC>                                                            0
<EPS-DILUTED>                                                            0