<ARTICLE> UT
<LEGEND>
The schedule contains summary financial information extracted from the Company's
financial records and is qualified in its entirety by reference to such
financial statements.
</LEGEND>

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               SEP-30-1999
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    1,697,149
<OTHER-PROPERTY-AND-INVEST>                     62,461
<TOTAL-CURRENT-ASSETS>                         166,013
<TOTAL-DEFERRED-CHARGES>                       155,887
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               2,081,510
<COMMON>                                             0
<CAPITAL-SURPLUS-PAID-IN>                            0
<RETAINED-EARNINGS>                                  0
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 669,451
<PREFERRED-MANDATORY>                           48,500
<PREFERRED>                                     73,115
<LONG-TERM-DEBT-NET>                           728,871
<SHORT-TERM-NOTES>                              65,100
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                      421
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 496,052
<TOT-CAPITALIZATION-AND-LIAB>                2,081,510
<GROSS-OPERATING-REVENUE>                      567,231
<INCOME-TAX-EXPENSE>                            27,292
<OTHER-OPERATING-EXPENSES>                     442,802
<TOTAL-OPERATING-EXPENSES>                     469,094
<OPERATING-INCOME-LOSS>                         98,137
<OTHER-INCOME-NET>                               (518)
<INCOME-BEFORE-INTEREST-EXPEN>                  95,168
<TOTAL-INTEREST-EXPENSE>                        38,862
<NET-INCOME>                                    56,306
<PREFERRED-STOCK-DIVIDENDS>                      7,222
<EARNINGS-AVAILABLE-FOR-COMM>                   49,084
<COMMON-STOCK-DIVIDENDS>                        57,000
<TOTAL-INTEREST-ON-BONDS>                            0
<CASH-FLOW-OPERATIONS>                         106,426<F1>
<EPS-BASIC>                                          0<F1>
<EPS-DILUTED>                                        0<F1>
<FN>
<F1>Sierra Pacific Power Company is a wholly-owned subsidiary of Sierra Pacific
Resources and, as such, its common stock is not publicly traded. SPPC does not
report EPS information
</FN>