Segment Information (Tables)

6 Months Ended

Jun. 30, 2011

Segment Information (Tables) [Abstract]

Financial information of reportable operating segments

	Operating Segments					Corporate & Other (a) & Reconciling Items
	Energy								Total Consolidated
Three Months Ended	Utility			Non-Utility
	(Millions of Dollars)
June 30, 2011
Operating Revenues (b)	$	977.9		$	111.3	$	(97.5	)	$	991.7
Depreciation and Amortization	$	63.9		$	18.3	$	0.1		$	82.3
Operating Income (Loss)	$	88.1		$	87.9	$	(1.6	)	$	174.4
Equity in Earnings (Loss) of Unconsolidated Affiliates	$	15.2		$	—	$	(0.1	)	$	15.1
Interest Expense, Net	$	27.2		$	17.0	$	13.2		$	57.4
Income Tax Expense (Benefit)	$	29.1		$	28.1	$	(8.6	)	$	48.6
Income from Discontinued Operations, Net of Tax	$	—		$	—	$	11.5		$	11.5
Net Income	$	61.1		$	42.8	$	5.6		$	109.5
Capital Expenditures	$	203.8		$	6.7	$	1.1		$	211.6
June 30, 2010
Operating Revenues (b)	$	880.5		$	86.4	$	(76.0	)	$	890.9
Depreciation and Amortization	$	62.7		$	13.8	$	0.3		$	76.8
Operating Income (Loss)	$	97.8		$	66.9	$	(1.4	)	$	163.3
Equity in Earnings of Unconsolidated Affiliates	$	15.1		$	—	$	—		$	15.1
Interest Expense, Net	$	29.5		$	10.5	$	13.0		$	53.0
Income Tax Expense (Benefit)	$	32.0		$	22.1	$	(6.5	)	$	47.6
Income (Loss) from Discontinued Operations, Net of Tax	$	(0.1	)	$	—	$	1.3		$	1.2
Net Income (Loss)	$	60.8		$	34.2	$	(6.3	)	$	88.7
Capital Expenditures	$	164.7		$	19.8	$	0.4		$	184.9

	Operating Segments				Corporate & Other (a) & Reconciling Items
	Energy							Total Consolidated
Six Months Ended	Utility		Non-Utility
	(Millions of Dollars)
June 30, 2011
Operating Revenues (b)	$	2,294.4	$	214.5	$	(188.5	)	$	2,320.4
Depreciation and Amortization	$	127.3	$	36.0	$	0.3		$	163.6
Operating Income (Loss)	$	301.1	$	171.9	$	(3.0	)	$	470.0
Equity in Earnings (Loss) of Unconsolidated Affiliates	$	30.7	$	—	$	(0.2	)	$	30.5
Interest Expense, Net	$	55.3	$	32.9	$	32.6		$	120.8
Income Tax Expense (Benefit)	$	100.4	$	55.8	$	(18.3	)	$	137.9
Income from Discontinued Operations, Net of Tax	$	—	$	—	$	11.5		$	11.5
Net Income (Loss)	$	202.1	$	83.3	$	(5.0	)	$	280.4
Capital Expenditures	$	331.0	$	14.9	$	1.2		$	347.1
Total Assets (c)	$	12,765.1	$	2,969.3	$	(2,658.1	)	$	13,076.3
June 30, 2010
Operating Revenues (b)	$	2,123.4	$	152.0	$	(135.9	)	$	2,139.5
Depreciation and Amortization	$	125.2	$	25.6	$	0.4		$	151.2
Operating Income (Loss)	$	275.9	$	119.0	$	(3.2	)	$	391.7
Equity in Earnings of Unconsolidated Affiliates	$	30.3	$	—	$	—		$	30.3
Interest Expense, Net	$	59.7	$	17.9	$	24.8		$	102.4
Income Tax Expense (Benefit)	$	94.3	$	40.5	$	(15.8	)	$	119.0
Income from Discontinued Operations, Net of Tax	$	0.7	$	—	$	1.2		$	1.9
Net Income (Loss)	$	168.2	$	60.5	$	(10.3	)	$	218.4
Capital Expenditures	$	295.9	$	82.4	$	0.8		$	379.1
Total Assets (c)	$	11,660.7	$	2,923.9	$	(1,891.1	)	$	12,693.5

(a) 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 of $97.7 million and $76.2 million for the three months ended June 30, 2011 and 2010, respectively, and $188.9 million and $136.2 million for the six months ended June 30, 2011 and 2010, respectively, is included in Operating Revenues. This elimination is primarily between We Power and Wisconsin Electric.

(c) An elimination of $2,414.9 million and $1,820.8 million is included in Total Assets as of June 30, 2011 and 2010, respectively, for PTF-related activity between We Power and Wisconsin Electric.