<ARTICLE>                               UT
<CIK>                                   0000081100
<NAME>                                  PUGET SOUND ENERGY
<MULTIPLIER>                            1,000

                             
<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>                      3,528,443
<OTHER-PROPERTY-AND-INVEST>                    253,273
<TOTAL-CURRENT-ASSETS>                         409,796
<TOTAL-DEFERRED-CHARGES>                       0
<OTHER-ASSETS>                                 602,523
<TOTAL-ASSETS>                                 4,794,035
<COMMON>                                       845,605
<CAPITAL-SURPLUS-PAID-IN>                      450,837
<RETAINED-EARNINGS>                            47,650
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 1,344,092
<PREFERRED-MANDATORY>                          65,662
<PREFERRED>                                    60,000
<LONG-TERM-DEBT-NET>                           1,689,770
<SHORT-TERM-NOTES>                             251,600
<LONG-TERM-NOTES-PAYABLE>                      0
<COMMERCIAL-PAPER-OBLIGATIONS>                 162,278
<LONG-TERM-DEBT-CURRENT-PORT>                  85,000
<PREFERRED-STOCK-CURRENT>                      0
<CAPITAL-LEASE-OBLIGATIONS>                    0
<LEASES-CURRENT>                               0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 1,135,633
<TOT-CAPITALIZATION-AND-LIAB>                  4,794,035
<GROSS-OPERATING-REVENUE>                      1,422,000
<INCOME-TAX-EXPENSE>                           68,526
<OTHER-OPERATING-EXPENSES>                     1,145,196
<TOTAL-OPERATING-EXPENSES>                     1,213,722
<OPERATING-INCOME-LOSS>                        208,278
<OTHER-INCOME-NET>                             26,648
<INCOME-BEFORE-INTEREST-EXPEN>                 234,926
<TOTAL-INTEREST-EXPENSE>                       109,193
<NET-INCOME>                                   125,733
<PREFERRED-STOCK-DIVIDENDS>                    8,689
<EARNINGS-AVAILABLE-FOR-COMM>                  117,044
<COMMON-STOCK-DIVIDENDS>                       116,694
<TOTAL-INTEREST-ON-BONDS>                      100,925
<CASH-FLOW-OPERATIONS>                         284,237
<EPS-BASIC>                                  1.38
<EPS-DILUTED>                                  1.38