<ARTICLE> UT <LEGEND> This schedule contains summary financial information extracted from the OGE Energy Corp. Consolidated Statements of Income, Balance Sheets, and Statements of Cash Flow as reported on Form 10-K as of December 31, 1999 and is qualified in its entirety by reference to such Form 10-K. </LEGEND> <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> DEC-31-1999 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 3,241,987 <OTHER-PROPERTY-AND-INVEST> 31,012 <TOTAL-CURRENT-ASSETS> 503,660 <TOTAL-DEFERRED-CHARGES> 144,675 <OTHER-ASSETS> 0 <TOTAL-ASSETS> 3,921,334 <COMMON> 779 <CAPITAL-SURPLUS-PAID-IN> 441,068 <RETAINED-EARNINGS> 577,532 <TOTAL-COMMON-STOCKHOLDERS-EQ> 1,019,379 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <LONG-TERM-DEBT-NET> 1,140,532 <SHORT-TERM-NOTES> 0 <LONG-TERM-NOTES-PAYABLE> 0 <COMMERCIAL-PAPER-OBLIGATIONS> 589,100 <LONG-TERM-DEBT-CURRENT-PORT> 169,000 <PREFERRED-STOCK-CURRENT> 0 <CAPITAL-LEASE-OBLIGATIONS> 9,831 <LEASES-CURRENT> 2,475 <OTHER-ITEMS-CAPITAL-AND-LIAB> 991,017 <TOT-CAPITALIZATION-AND-LIAB> 3,921,334 <GROSS-OPERATING-REVENUE> 2,172,434 <INCOME-TAX-EXPENSE> 89,944 <OTHER-OPERATING-EXPENSES> 1,834,269 <TOTAL-OPERATING-EXPENSES> 1,924,213 <OPERATING-INCOME-LOSS> 248,221 <OTHER-INCOME-NET> 3,317 <INCOME-BEFORE-INTEREST-EXPEN> 251,538 <TOTAL-INTEREST-EXPENSE> 100,279 <NET-INCOME> 151,259 <PREFERRED-STOCK-DIVIDENDS> 0 <EARNINGS-AVAILABLE-FOR-COMM> 151,259 <COMMON-STOCK-DIVIDENDS> 103,495 <TOTAL-INTEREST-ON-BONDS> 60,727 <CASH-FLOW-OPERATIONS> 224,253 <EPS-BASIC> 1.94 <EPS-DILUTED> 1.94