Segment Information (Tables)

9 Months Ended

Sep. 30, 2014

Segment Information (Tables) [Abstract]

Financial information of reportable operating segments

	Reportable Segments							Eliminations
	Energy				Corporate &			& Reconciling			Total
Three Months Ended	Utility		Non-Utility		Other (a)			Items			Consolidated
	(Millions of Dollars)
September 30, 2014
Operating Revenues (b)	$	1,017.7	$	114.1	$	0.3		$	(98.8	)	$	1,033.3
Other Operation and Maintenance	$	337.4	$	3.5	$	6.0		$	(97.5	)	$	249.4
Depreciation and Amortization	$	86.3	$	17.0	$	—		$	—		$	103.3
Operating Income (Loss)	$	158.4	$	93.6	$	(5.9	)	$	—		$	246.1
Equity in Earnings of Unconsolidated Affiliates	$	18.0	$	—	$	—		$	—		$	18.0
Interest Expense, Net	$	32.1	$	16.1	$	12.4		$	(0.2	)	$	60.4
Income Tax Expense (Benefit)	$	55.0	$	30.4	$	(5.1	)	$	—		$	80.3
Net Income (Loss)	$	90.8	$	47.3	$	126.3		$	(138.1	)	$	126.3
Capital Expenditures	$	188.2	$	18.0	$	1.3		$	—		$	207.5
September 30, 2013
Operating Revenues (b)	$	1,037.2	$	114.2	$	0.4		$	(98.6	)	$	1,053.2
Other Operation and Maintenance	$	359.5	$	4.2	$	1.9		$	(97.5	)	$	268.1
Depreciation and Amortization	$	79.9	$	16.8	$	0.2		$	—		$	96.9
Operating Income (Loss)	$	166.6	$	93.2	$	(1.8	)	$	—		$	258.0
Equity in Earnings of Unconsolidated Affiliates	$	17.1	$	—	$	—		$	—		$	17.1
Interest Expense, Net	$	33.0	$	16.4	$	12.8		$	(0.2	)	$	62.0
Income Tax Expense (Benefit)	$	56.1	$	29.5	$	(4.9	)	$	—		$	80.7
Net Income (Loss)	$	99.3	$	47.4	$	137.4		$	(146.6	)	$	137.5
Capital Expenditures	$	178.1	$	10.4	$	1.9		$	—		$	190.4

	Reportable Segments							Eliminations
	Energy				Corporate &			& Reconciling			Total
Nine Months Ended	Utility		Non-Utility		Other (a)			Items			Consolidated
	(Millions of Dollars)
September 30, 2014
Operating Revenues (b)	$	3,729.6	$	335.8	$	0.9		$	(294.3	)	$	3,772.0
Other Operation and Maintenance	$	1,048.6	$	9.7	$	13.3		$	(290.8	)	$	780.8
Depreciation and Amortization	$	254.2	$	50.6	$	0.5		$	—		$	305.3
Operating Income (Loss)	$	606.3	$	275.5	$	(13.2	)	$	—		$	868.6
Equity in Earnings of Unconsolidated Affiliates	$	52.8	$	—	$	—		$	—		$	52.8
Interest Expense, Net	$	96.8	$	48.6	$	36.8		$	(0.5	)	$	181.7
Income Tax Expense (Benefit)	$	213.8	$	90.6	$	(19.5	)	$	—		$	284.9
Net Income (Loss)	$	356.5	$	136.8	$	466.7		$	(493.1	)	$	466.9
Capital Expenditures	$	481.5	$	27.7	$	3.8		$	—		$	513.0
September 30, 2013
Operating Revenues (b)	$	3,296.7	$	337.3	$	1.0		$	(294.3	)	$	3,340.7
Other Operation and Maintenance	$	1,097.7	$	10.6	$	4.1		$	(290.8	)	$	821.6
Depreciation and Amortization	$	238.2	$	50.3	$	0.6		$	—		$	289.1
Operating Income (Loss)	$	536.1	$	276.4	$	(4.0	)	$	—		$	808.5
Equity in Earnings of Unconsolidated Affiliates	$	51.0	$	—	$	—		$	—		$	51.0
Interest Expense, Net	$	103.1	$	49.4	$	38.2		$	(0.4	)	$	190.3
Income Tax Expense (Benefit)	$	179.9	$	90.1	$	(18.6	)	$	—		$	251.4
Net Income (Loss)	$	317.9	$	137.2	$	432.9		$	(454.9	)	$	433.1
Capital Expenditures	$	476.2	$	17.5	$	4.0		$	—		$	497.7

(a) Corporate & Other includes all other non-utility activities, primarily non-utility real estate investment and development by Wispark LLC, as well as interest on corporate debt.

(b) An elimination for intersegment revenues is included in Operating Revenues. This elimination is primarily between WePower and Wisconsin Electric.