SEGMENT INFORMATION (Tables)

3 Months Ended

Mar. 31, 2013

Segment Reporting Information [Line Items]

Schedule Of Segment Reporting Information By Segment Text Block

		For the Three Months Ended March 31, 2013
		Electric		Natural Gas
(Millions of Dollars)		Distribution		Distribution		Transmission		Other		Eliminations		Total
Operating Revenues		$	1,374.2	$	361.8	$	239.5	$	217.2	$	(197.7)	$	1,995.0
Depreciation and Amortization			(177.0)		(17.4)		(31.8)		(19.0)		1.7		(243.5)
Other Operating Expenses			(1,004.9)		(267.2)		(62.2)		(197.4)		199.2		(1,332.5)
Operating Income			192.3		77.2		145.5		0.8		3.2		419.0
Interest Expense			(42.1)		(7.4)		(21.9)		(6.4)		1.5		(76.3)
Interest Income			1.0		-		0.1		1.6		(1.6)		1.1
Other Income, Net			3.8		0.2		2.7		320.3		(320.3)		6.7
Income Tax (Expense)/Benefit			(54.3)		(26.7)		(45.8)		6.5		(0.2)		(120.5)
Net Income			100.7		43.3		80.6		322.8		(317.4)		230.0
Net Income Attributable
	to Noncontrolling Interests		(1.2)		-		(0.7)		-		-		(1.9)
Net Income Attributable
	to Controlling Interest	$	99.5	$	43.3	$	79.9	$	322.8	$	(317.4)	$	228.1
Total Assets (as of)		$	18,208.2	$	2,735.4	$	6,269.1	$	18,749.8	$	(17,633.8)	$	28,328.7
Cash Flows Used for
	Investments in Plant	$	157.8	$	31.2	$	185.4	$	14.6	$	-	$	389.0

		For the Three Months Ended March 31, 2012
		Electric		Natural Gas
(Millions of Dollars)		Distribution		Distribution		Transmission		Other		Eliminations		Total
Operating Revenues		$	786.0	$	139.0	$	162.8	$	133.3	$	(121.5)	$	1,099.6
Depreciation and Amortization			(72.2)		(7.7)		(21.1)		(3.9)		0.3		(104.6)
Other Operating Expenses			(622.1)		(102.2)		(47.6)		(134.9)		126.2		(780.6)
Operating Income/(Loss)			91.7		29.1		94.1		(5.5)		5.0		214.4
Interest Expense			(33.0)		(5.4)		(19.7)		(9.4)		1.1		(66.4)
Interest Income			1.1		-		0.1		1.3		(1.3)		1.2
Other Income, Net			4.4		-		3.3		122.6		(122.7)		7.6
Income Tax (Expense)/Benefit			(21.4)		(9.0)		(30.8)		6.0		(0.8)		(56.0)
Net Income			42.8		14.7		47.0		115.0		(118.7)		100.8
Net Income Attributable
	to Noncontrolling Interests		(0.8)		-		(0.7)		-		-		(1.5)
Net Income Attributable
	to Controlling Interest	$	42.0	$	14.7	$	46.3	$	115.0	$	(118.7)	$	99.3
Total Assets (as of)		$	9,553.3	$	1,498.2	$	3,900.7	$	7,261.7	$	(6,235.5)	$	15,978.4
Cash Flows Used for
	Investments in Plant	$	130.7	$	20.5	$	135.9	$	17.2	$	-	$	304.3