<ARTICLE> UT
<LEGEND>
This schedule contains summary financial information extracted from Entergy
Mississippi's financial statements for the year ended December 31, 1999 and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
<CIK> 0000066901
<NAME> ENTERGY MISSISSIPPI, INC.
<SUBSIDIARY>
   <NUMBER> 016
   <NAME> ENTERGY MISSISSIPPI, INC.
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               DEC-31-1999
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    1,121,266
<OTHER-PROPERTY-AND-INVEST>                     12,496
<TOTAL-CURRENT-ASSETS>                         147,832
<TOTAL-DEFERRED-CHARGES>                       178,423
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               1,460,017
<COMMON>                                       199,326
<CAPITAL-SURPLUS-PAID-IN>                          (59)
<RETAINED-EARNINGS>                            226,567
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 425,834
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                     50,381
<LONG-TERM-DEBT-NET>                           464,466
<SHORT-TERM-NOTES>                                   0
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                        0
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                        290
<LEASES-CURRENT>                                    95
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 518,951
<TOT-CAPITALIZATION-AND-LIAB>                1,460,017
<GROSS-OPERATING-REVENUE>                      832,819
<INCOME-TAX-EXPENSE>                            17,537
<OTHER-OPERATING-EXPENSES>                     744,734
<TOTAL-OPERATING-EXPENSES>                     744,734
<OPERATING-INCOME-LOSS>                         88,085
<OTHER-INCOME-NET>                               8,350
<INCOME-BEFORE-INTEREST-EXPEN>                  96,435
<TOTAL-INTEREST-EXPENSE>                        37,310
<NET-INCOME>                                    41,588
<PREFERRED-STOCK-DIVIDENDS>                      3,370
<EARNINGS-AVAILABLE-FOR-COMM>                   38,218
<COMMON-STOCK-DIVIDENDS>                        34,100
<TOTAL-INTEREST-ON-BONDS>                       41,567
<CASH-FLOW-OPERATIONS>                         142,413
<EPS-BASIC>                                          0
<EPS-DILUTED>                                        0