<ARTICLE> UT
<LEGEND>
This schedule contains summary financial information extracted from System
Energy Resources, Inc. financial statements for the quarter ended June 30,
1999 and is qualified in its entirety by reference to such financial
statements.
</LEGEND>
<CIK> 0000202584
<NAME> SYSTEM ENERGY RESOURCES, INC.
<SUBSIDIARY>
   <NUMBER> 018
   <NAME> SYSTEM ENERGY RESOURCES, INC.
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               JUN-30-1999
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    2,354,911
<OTHER-PROPERTY-AND-INVEST>                    123,754
<TOTAL-CURRENT-ASSETS>                         541,290
<TOTAL-DEFERRED-CHARGES>                       468,869
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               3,488,824
<COMMON>                                       789,350
<CAPITAL-SURPLUS-PAID-IN>                            0
<RETAINED-EARNINGS>                             92,442
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 881,792
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<LONG-TERM-DEBT-NET>                         1,156,963
<SHORT-TERM-NOTES>                                   0
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                  102,947
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                     29,466
<LEASES-CURRENT>                                41,835
<OTHER-ITEMS-CAPITAL-AND-LIAB>               1,275,821
<TOT-CAPITALIZATION-AND-LIAB>                3,488,824
<GROSS-OPERATING-REVENUE>                      300,122
<INCOME-TAX-EXPENSE>                            19,142
<OTHER-OPERATING-EXPENSES>                     177,590
<TOTAL-OPERATING-EXPENSES>                     177,590
<OPERATING-INCOME-LOSS>                        122,532
<OTHER-INCOME-NET>                               9,517
<INCOME-BEFORE-INTEREST-EXPEN>                 132,049
<TOTAL-INTEREST-EXPENSE>                        82,724
<NET-INCOME>                                    30,183
<PREFERRED-STOCK-DIVIDENDS>                          0
<EARNINGS-AVAILABLE-FOR-COMM>                   30,183
<COMMON-STOCK-DIVIDENDS>                        32,500
<TOTAL-INTEREST-ON-BONDS>                       70,231
<CASH-FLOW-OPERATIONS>                         201,795
<EPS-BASIC>                                        0
<EPS-DILUTED>                                        0