The following tables show summarized financial information concerning our reportable segments for the three months ended March 31, 2016 and 2015:



	Regulated Operations
(in millions)	Wisconsin		Illinois		Other States		Electric Transmission		Total Regulated Operations		We Power		Corporate and Other			Reconciling Eliminations			WEC Energy Group Consolidated
Three Months Ended
March 31, 2016
External revenues	$	1,579.8	$	448.5	$	148.4	$	—	$	2,176.7	$	6.2	$	11.9		$	—		$	2,194.8
Intersegment revenues	0.1		—		—		—		0.1		104.5		—			(104.6		)	—
Other operation and maintenance	491.3		117.9		30.0		—		639.2		0.4		(3.5		)	(104.6		)	531.5
Depreciation and amortization	122.9		32.8		5.1		—		160.8		17.0		10.1			—			187.9
Operating income (loss)	327.5		137.0		31.8		—		496.3		93.3		(0.3		)	—			589.3
Equity in earnings of transmission affiliate	—		—		—		38.5		38.5		—		—			—			38.5
Interest expense	44.5		9.7		2.5		—		56.7		15.6		31.3			(2.7		)	100.9



	Regulated Operations
(in millions)	Wisconsin		Illinois		Other States		Electric Transmission		Total Regulated Operations		We Power		Corporate and Other			Reconciling Eliminations			WEC Energy Group Consolidated
Three Months Ended
March 31, 2015
External revenues	$	1,376.5	$	—	$	—	$	—	$	1,376.5	$	11.1	$	0.3		$	—		$	1,387.9
Intersegment revenues	0.4		—		—		—		0.4		98.6		—			(99.0		)	—
Other operation and maintenance	369.1		—		—		—		369.1		0.4		10.1			(98.9		)	280.7
Depreciation and amortization	85.4		—		—		—		85.4		16.8		0.4			—			102.6
Operating income (loss)	276.5		—		—		—		276.5		92.5		(10.2		)	—			358.8
Equity in earnings of transmission affiliate	—		—		—		16.1		16.1		—		—			—			16.1
Interest expense	31.4		—		—		—		31.4		15.9		12.2			(0.1		)	59.4