<TABLE> <S> <C>
<PAGE>
<ARTICLE> UT
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTACTED FROM CONSOLIDATED
BALANCE SHEET, INCOME STATEMENT AND STATEMENT OF CASH FLOWS FOR CONSOLIDATED
EDISON, INC. AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS AND THE NOTES THERETO.
</LEGEND>
<CIK> 0001047862
<NAME> CONSOLIDATED EDISON, 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> 11,914,540
<OTHER-PROPERTY-AND-INVEST> 550,315
<TOTAL-CURRENT-ASSETS> 1,817,516
<TOTAL-DEFERRED-CHARGES> 2,225,579
<OTHER-ASSETS> 0
<TOTAL-ASSETS> 16,507,950
<COMMON> 588,720
<CAPITAL-SURPLUS-PAID-IN> 857,742
<RETAINED-EARNINGS> 5,111,002
<TOTAL-COMMON-STOCKHOLDERS-EQ> 5,542,724
37,050
212,563
<LONG-TERM-DEBT-NET> 5,222,309
<SHORT-TERM-NOTES> 0
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 243,004
<LONG-TERM-DEBT-CURRENT-PORT> 158,910
0
<CAPITAL-LEASE-OBLIGATIONS> 32,283
<LEASES-CURRENT> 2,720
<OTHER-ITEMS-CAPITAL-AND-LIAB> 5,056,387
<TOT-CAPITALIZATION-AND-LIAB> 16,507,950
<GROSS-OPERATING-REVENUE> 7,181,265
<INCOME-TAX-EXPENSE> 265,141
<OTHER-OPERATING-EXPENSES> 6,077,213
<TOTAL-OPERATING-EXPENSES> 6,342,354
<OPERATING-INCOME-LOSS> 838,911
<OTHER-INCOME-NET> 8,907
<INCOME-BEFORE-INTEREST-EXPEN> 847,818
<TOTAL-INTEREST-EXPENSE> 300,871
<NET-INCOME> 546,947
10,194
<EARNINGS-AVAILABLE-FOR-COMM> 536,753
<COMMON-STOCK-DIVIDENDS> 346,754
<TOTAL-INTEREST-ON-BONDS> 266,370
<CASH-FLOW-OPERATIONS> 747,287
<EPS-BASIC> 2.53
<EPS-DILUTED> 2.53
</TABLE>
