<ARTICLE>                     UT


<LEGEND>                      The schedule contains summary financial
                              information extracted from Consolidated
                              Balance Sheet, Income Statement and Statement of
                              Cash Flows for Consolidated
                              Edison Company of New York, Inc. and is
                              qualified in its entirety by reference to such
                              financial statements and the notes thereto.
</LEGEND>
<CIK> 0000023632
<NAME> Consolidated Edison Company of New York, Inc.
<MULTIPLIER>                      1,000

                               
<FISCAL-YEAR-END>                 Dec-31-1999

<PERIOD-END>                      Jun-30-1999

<PERIOD-TYPE>                     6-Mos

<BOOK-VALUE>                      Per-Book

<TOTAL-NET-UTILITY-PLANT>         10,754,552

<OTHER-PROPERTY-AND-INVEST>       304,066

<TOTAL-CURRENT-ASSETS>            2,295,763

<TOTAL-DEFERRED-CHARGES>          555,451

<OTHER-ASSETS>                    808,006

<TOTAL-ASSETS>                    14,717,838

<COMMON>                          557,754

<CAPITAL-SURPLUS-PAID-IN>         888,366

<RETAINED-EARNINGS>               4,524,170

<TOTAL-COMMON-STOCKHOLDERS-EQ>    5,406,416

<PREFERRED-MANDATORY>             37,050

<PREFERRED>                       212,563

<LONG-TERM-DEBT-NET>              4,200,120

<SHORT-TERM-NOTES>                   0

<LONG-TERM-NOTES-PAYABLE>            0

<COMMERCIAL-PAPER-OBLIGATIONS>    221,498

<LONG-TERM-DEBT-CURRENT-PORT>     350,000

<PREFERRED-STOCK-CURRENT>             0

<CAPITAL-LEASE-OBLIGATIONS>       35,858

<LEASES-CURRENT>                  2,617

<OTHER-ITEMS-CAPITAL-AND-LIAB>    4,251,716

<TOT-CAPITALIZATION-AND-LIAB>     14,717,838

<GROSS-OPERATING-REVENUE>         3,174,927

<INCOME-TAX-EXPENSE>              154,187

<OTHER-OPERATING-EXPENSES>        2,603,002

<TOTAL-OPERATING-EXPENSES>        2,757,189

<OPERATING-INCOME-LOSS>           417,738

<OTHER-INCOME-NET>                  (87)

<INCOME-BEFORE-INTEREST-EXPEN>    417,651

<TOTAL-INTEREST-EXPENSE>          159,666

<NET-INCOME>                      257,985

<PREFERRED-STOCK-DIVIDENDS>       6,796

<EARNINGS-AVAILABLE-FOR-COMM>     251,189

<COMMON-STOCK-DIVIDENDS>          244,548

<TOTAL-INTEREST-ON-BONDS>         151,663

<CASH-FLOW-OPERATIONS>            1,255,794


<EPS-BASIC>                        0

<EPS-DILUTED>                        0