<TABLE> <S> <C>
<ARTICLE> UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM UNISOURCE ENERGY CORPORATION'S FINANCIAL
STATEMENTS AS OF SEPTEMBER 30,2000 AND FOR THE NINE-MONTHS
ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000941138
<NAME> UNISOURCE ENERGY CORPORATION
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> SEP-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 1,712,637
<OTHER-PROPERTY-AND-INVEST> 120,500
<TOTAL-CURRENT-ASSETS> 324,852
<TOTAL-DEFERRED-CHARGES> 446,521
<OTHER-ASSETS> 0
<TOTAL-ASSETS> 2,604,510
<COMMON> 642,703
<CAPITAL-SURPLUS-PAID-IN> 0
<RETAINED-EARNINGS> (294,528)
<TOTAL-COMMON-STOCKHOLDERS-EQ> 348,175
0
0
<LONG-TERM-DEBT-NET> 1,132,395
<SHORT-TERM-NOTES> 0
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 0
<LONG-TERM-DEBT-CURRENT-PORT> 1,725
0
<CAPITAL-LEASE-OBLIGATIONS> 852,665
<LEASES-CURRENT> 25,914
<OTHER-ITEMS-CAPITAL-AND-LIAB> 243,636
<TOT-CAPITALIZATION-AND-LIAB> 2,604,510
<GROSS-OPERATING-REVENUE> 757,454
<INCOME-TAX-EXPENSE> 4,238
<OTHER-OPERATING-EXPENSES> 608,781
<TOTAL-OPERATING-EXPENSES> 613,019
<OPERATING-INCOME-LOSS> 144,435
<OTHER-INCOME-NET> 8,998
<INCOME-BEFORE-INTEREST-EXPEN> 153,433
<TOTAL-INTEREST-EXPENSE> 125,293
<NET-INCOME> 28,140
0
<EARNINGS-AVAILABLE-FOR-COMM> 28,140
<COMMON-STOCK-DIVIDENDS> 2,595
<TOTAL-INTEREST-ON-BONDS> 0
<CASH-FLOW-OPERATIONS> 134,169
<EPS-BASIC> .87
<EPS-DILUTED> .86
</TABLE>
