Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2016

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Great Plains Energy Other Operating Activities
Year to Date September 30	2016			2015
Cash flows affected by changes in:	(millions)
Receivables	$	(45.9	)	$	(13.2	)
Accounts receivable pledged as collateral	(15.0		)	(19.0		)
Fuel inventories	19.8			(10.8		)
Materials and supplies	(5.3		)	(2.9		)
Accounts payable	(119.8		)	(121.9		)
Accrued taxes	97.2			89.2
Accrued interest	16.7			16.9
Deferred refueling outage costs	7.5			(12.8		)
Pension and post-retirement benefit obligations	53.2			48.8
Allowance for equity funds used during construction	(4.3		)	(3.8		)
Fuel recovery mechanisms	(16.8		)	36.6
Other	(11.7		)	2.6
Total other operating activities	$	(24.4	)	$	9.7
Cash paid during the period:
Interest	$	130.2		$	121.2
Income taxes	$	0.2		$	0.2
Non-cash investing activities:
Liabilities accrued for capital expenditures	$	30.7		$	23.4

KCP&L Other Operating Activities
Year to Date September 30	2016			2015
Cash flows affected by changes in:	(millions)
Receivables	$	(53.5	)	$	(6.2	)
Fuel inventories	12.7			(11.6		)
Materials and supplies	(3.8		)	(4.0		)
Accounts payable	(80.3		)	(83.1		)
Accrued taxes	179.3			162.3
Accrued interest	8.9			12.3
Deferred refueling outage costs	7.5			(12.8		)
Pension and post-retirement benefit obligations	53.7			48.8
Allowance for equity funds used during construction	(4.0		)	(2.9		)
Fuel recovery mechanisms	(31.0		)	1.8
Other	(14.8		)	(1.0		)
Total other operating activities	$	74.7		$	103.6
Cash paid during the period:
Interest	$	86.7		$	79.1
Non-cash investing activities:
Liabilities accrued for capital expenditures	$	25.7		$	15.7