<TABLE> <S> <C>
<ARTICLE> UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
UNISOURCE ENERGY CORPORATION'S FINANCIAL STATEMENTS FOR THE PERIOD
ENDED JUNE 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> JUN-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 1,721,548
<OTHER-PROPERTY-AND-INVEST> 128,991
<TOTAL-CURRENT-ASSETS> 283,838
<TOTAL-DEFERRED-CHARGES> 465,903
<OTHER-ASSETS> 0
<TOTAL-ASSETS> 2,600,280
<COMMON> 642,226
<CAPITAL-SURPLUS-PAID-IN> 0
<RETAINED-EARNINGS> (309,172)
<TOTAL-COMMON-STOCKHOLDERS-EQ> 333,054
0
0
<LONG-TERM-DEBT-NET> 1,134,595
<SHORT-TERM-NOTES> 0
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 0
<LONG-TERM-DEBT-CURRENT-PORT> 1,725
0
<CAPITAL-LEASE-OBLIGATIONS> 864,698
<LEASES-CURRENT> 29,416
<OTHER-ITEMS-CAPITAL-AND-LIAB> 236,792
<TOT-CAPITALIZATION-AND-LIAB> 2,600,280
<GROSS-OPERATING-REVENUE> 414,678
<INCOME-TAX-EXPENSE> (5,235)
<OTHER-OPERATING-EXPENSES> 330,949
<TOTAL-OPERATING-EXPENSES> 325,714
<OPERATING-INCOME-LOSS> 88,964
<OTHER-INCOME-NET> 6,718
<INCOME-BEFORE-INTEREST-EXPEN> 95,682
<TOTAL-INTEREST-EXPENSE> 84,781
<NET-INCOME> 10,901
0
<EARNINGS-AVAILABLE-FOR-COMM> 10,901
<COMMON-STOCK-DIVIDENDS> 2,594
<TOTAL-INTEREST-ON-BONDS> 0
<CASH-FLOW-OPERATIONS> 58,154
<EPS-BASIC> .34
<EPS-DILUTED> .33
</TABLE>
