Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2011

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information

Great Plains Energy Other Operating Activities
Year Ended December 31	2011			2010			2009
Cash flows affected by changes in:	(millions)
Receivables	$	3.6		$	(12.6	)	$	7.9
Accounts receivable pledged as collateral		-			(95.0	)		-
Fuel inventories		(3.9	)		(0.1	)		2.0
Materials and supplies		(7.5	)		(11.5	)		(22.0	)
Accounts payable		5.7			12.8			(70.9	)
Accrued taxes		1.4			6.7			42.2
Accrued interest		1.5			2.9			2.9
Deferred refueling outage costs		(17.9	)		9.9			(7.1	)
Fuel adjustment clauses		(1.7	)		2.7			7.8
Pension and post-retirement benefit obligations		(56.0	)		(10.2	)		18.4
Allowance for equity funds used during construction		(1.0	)		(26.0	)		(39.6	)
Write down of affordable housing investments		-			11.2			-
Interest rate hedge settlements		(26.1	)		(6.9	)		(79.1	)
Iatan Nos. 1 and 2 impact of disallowed construction costs		2.3			16.8			-
Uncertain tax positions		(20.8	)		(6.1	)		10.7
Other		(27.1	)		(28.3	)		9.0
Total other operating activities	$	(147.5	)	$	(133.7	)	$	(117.8	)
Cash paid during the period:
Interest	$	254.4		$	237.7		$	211.9
Income taxes	$	2.8		$	0.9		$	5.1
Non-cash investing activities:
Liabilities assumed for capital expenditures	$	39.7		$	44.9		$	82.8

KCP&L Other Operating Activities
Year Ended December 31	2011			2010			2009
Cash flows affected by changes in:	(millions)
Receivables	$	(20.2	)	$	(4.1	)	$	(7.6	)
Accounts receivable pledged as collateral		-			(95.0	)		-
Fuel inventories		(14.1	)		0.7			6.1
Materials and supplies		(6.7	)		(9.6	)		(16.5	)
Accounts payable		11.0			0.8			(54.3	)
Accrued taxes		2.7			(15.7	)		51.8
Accrued interest		3.8			(0.5	)		8.6
Deferred refueling outage costs		(17.9	)		9.9			(7.1	)
Pension and post-retirement benefit obligations		(45.6	)		7.9			39.3
Allowance for equity funds used during construction		(0.7	)		(21.9	)		(30.6	)
Kansas Energy Cost Adjustment		(5.8	)		(8.8	)		2.2
Iatan Nos. 1 and 2 impact of disallowed construction costs		1.5			13.0			-
Interest rate hedge settlements		-			-			(79.1	)
Uncertain tax positions		(10.4	)		(1.8	)		3.3
Other		(15.9	)		(2.7	)		17.8
Total other operating activities	$	(118.3	)	$	(127.8	)	$	(66.1	)
Cash paid during the period:
Interest	$	111.3		$	101.1		$	77.2
Income taxes	$	0.1		$	18.2		$	31.9
Non-cash investing activities:
Liabilities assumed for capital expenditures	$	32.0		$	37.4		$	75.5