Segment Information

3 Months Ended

Mar. 31, 2013

Segment Information [Abstract]

SEGMENT INFORMATION

SEGMENT INFORMATION

Summarized financial information concerning our reportable segments for the three months ended March 31, 2013 and 2012 is shown in the following table:

	Reportable Segments							Eliminations
	Energy				Corporate &			& Reconciling			Total
Three Months Ended	Utility		Non-Utility		Other (a)			Items			Consolidated
	(Millions of Dollars)
March 31, 2013
Operating Revenues (b)	$	1,261.5	$	109.8	$	0.3		$	(96.4	)	$	1,275.2
Other Operation and Maintenance	$	380.6	$	1.5	$	1.0		$	(95.0	)	$	288.1
Depreciation and Amortization	$	78.6	$	16.7	$	0.2		$	—		$	95.5
Operating Income (Loss)	$	230.6	$	91.6	$	(1.2	)	$	—		$	321.0
Equity in Earnings of Unconsolidated Affiliates	$	16.6	$	—	$	0.1		$	—		$	16.7
Interest Expense, Net	$	35.9	$	16.5	$	12.8		$	(0.2	)	$	65.0
Income Tax Expense (Benefit)	$	77.4	$	30.5	$	(7.5	)	$	—		$	100.4
Net Income (Loss)	$	138.0	$	44.6	$	176.6		$	(182.6	)	$	176.6
Capital Expenditures	$	130.9	$	2.1	$	0.6		$	—		$	133.6
March 31, 2012
Operating Revenues (b)	$	1,178.4	$	107.3	$	0.3		$	(94.8	)	$	1,191.2
Other Operation and Maintenance	$	376.4	$	2.1	$	1.3		$	(93.5	)	$	286.3
Depreciation and Amortization	$	70.7	$	16.8	$	0.1		$	—		$	87.6
Operating Income (Loss)	$	208.6	$	88.4	$	(1.3	)	$	—		$	295.7
Equity in Earnings of Unconsolidated Affiliates	$	15.6	$	—	$	—		$	—		$	15.6
Interest Expense, Net	$	29.2	$	16.8	$	13.1		$	(0.2	)	$	58.9
Income Tax Expense (Benefit)	$	74.0	$	28.8	$	(6.5	)	$	—		$	96.3
Net Income (Loss)	$	136.2	$	43.0	$	172.6		$	(179.7	)	$	172.1
Capital Expenditures	$	137.6	$	1.9	$	2.8		$	—		$	142.3

(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.