<TABLE> <S> <C>
<ARTICLE> UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM PUBLIC
SERVICE COMPANY OF COLORADO AND SUBSIDIARIES CONSOLIDATED CONDENSED BALANCE
SHEET AS OF JUNE 30, 2000 AND CONSOLIDATED CONDENSED STATEMENTS OF INCOME AND
CASH FLOWS FOR THE SIX MONTHS ENDED JUNE 30, 2000 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000081018
<NAME> Public Service Company of Colorado
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 4,428,962
<OTHER-PROPERTY-AND-INVEST> 206,384
<TOTAL-CURRENT-ASSETS> 502,299
<TOTAL-DEFERRED-CHARGES> 302,022
<OTHER-ASSETS> 0
<TOTAL-ASSETS> 5,439,667
<COMMON> 0
<CAPITAL-SURPLUS-PAID-IN> 1,414,835
<RETAINED-EARNINGS> 428,039
<TOTAL-COMMON-STOCKHOLDERS-EQ> 1,842,874
194,000
0
<LONG-TERM-DEBT-NET> 1,628,447
<SHORT-TERM-NOTES> 0
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 295,300
<LONG-TERM-DEBT-CURRENT-PORT> 169,723
0
<CAPITAL-LEASE-OBLIGATIONS> 53,080
<LEASES-CURRENT> 2,265
<OTHER-ITEMS-CAPITAL-AND-LIAB> 1,253,978
<TOT-CAPITALIZATION-AND-LIAB> 5,439,667
<GROSS-OPERATING-REVENUE> 1,270,629
<INCOME-TAX-EXPENSE> 65,453
<OTHER-OPERATING-EXPENSES> 998,757
<TOTAL-OPERATING-EXPENSES> 1,064,210
<OPERATING-INCOME-LOSS> 206,419
<OTHER-INCOME-NET> 3,869
<INCOME-BEFORE-INTEREST-EXPEN> 210,288
<TOTAL-INTEREST-EXPENSE> 80,608
<NET-INCOME> 129,680
0
<EARNINGS-AVAILABLE-FOR-COMM> 129,680
<COMMON-STOCK-DIVIDENDS> 47,691
<TOTAL-INTEREST-ON-BONDS> 65,320
<CASH-FLOW-OPERATIONS> 271,177
<EPS-BASIC> 0.00
<EPS-DILUTED> 0.00
</TABLE>
