EXHIBIT 12.01 OGE Energy Corp. S E C Method of Ratio of Earnings to Fixed Charges - ----------------------------------------------------------------------------------------------------------------------------------- Year Ended Year Ended Year Ended Year Ended Year Ended Year Ended Dec 31, 1994 Dec 31, 1995 Dec 31, 1996 Dec 31, 1997 Dec 31, 1998 Jun 30, 1999 -------------------------------------------------------------------------------------------------- Earnings: Net Income $123,785,002 $125,256,125 $133,331,785 $132,549,628 $165,871,829 $167,223,193 Provision For Income Taxes 72,273,713 70,252,859 77,712,155 76,485,740 108,553,778 104,936,360 Plus Fixed Charges 76,346,348 79,380,098 69,390,216 67,591,372 72,241,733 78,499,882 Total Earnings $272,405,063 $274,889,082 $280,434,156 $276,626,740 $346,667,340 $350,659,435 Fixed Charges: Long-term debt interest 67,679,872 67,549,226 62,412,619 62,572,384 60,856,017 63,748,409 Other interest expense 7,907,183 11,365,754 6,281,023 4,521,764 10,913,855 13,610,826 Calculated int on leased property 759,293 465,118 696,574 497,224 471,861 1,140,647 Total Fixed Charges $76,346,348 $79,380,098 $69,390,216 $67,591,372 $72,241,733 $78,499,882 - ----------------------------------------------------------------------------------------------------------------------------------- Ratio of Earnings to Fixed Charges 3.57 3.46 4.04 4.09 4.80 4.47 - ----------------------------------------------------------------------------------------------------------------------------------- OGE Energy Corp. S E C Method of Pro Forma Ratio of Earnings to Fixed Charges - ------------------------------------------------------------------------------- Year Ended Six Months Ended Dec 31, 1998 June 30, 1999 -------------------------------- Earnings: Net Income $132,728,000 $ 44,608,000 Plus Income Taxes: 86,913,000 20,522,000 Plus Fixed Charges 115,854,000 60,418,375 Total Earnings $335,495,000 125,548,375 Fixed Charges: Long-term debt interest 104,468,000 52,059,000 Other interest expense 10,914,000 7,803,000 Calculated int on leased property 472,000 556,375 Total Fixed Charges $115,854,000 $60,418,375 - ------------------------------------------------------------------------------- Pro Forma Ratio of Earnings to Fixed Charges 2.90 2.08 - -------------------------------------------------------------------------------