Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value, by Balance Sheet Grouping [Table Text Block]

The following table summarizes the fair value and carrying amount of OG&E's financial instruments at December 31, 2014 and December 31, 2013.



	2014				2013
December 31 (In millions)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Long-Term Debt
Senior Notes	$	2,509.7	$	2,957.7	$	2,154.5	$	2,405.0
Industrial Authority Bonds	135.4		135.4		135.4		135.4
Tinker Debt	10.2		10.3		10.3		9.1

- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

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