Segments Of Business

12 Months Ended

Dec. 31, 2015

Segment Reporting Information [Line Items]

Segments Of Business

SEGMENTS OF BUSINESS

Alliant Energy - Alliant Energy’s principal businesses as of December 31, 2015 are:

• Utility - includes the operations of IPL and WPL, which primarily serve retail customers in Iowa and Wisconsin. The utility business has three reportable segments: a) utility electric operations; b) utility gas operations; and c) utility other, which includes steam operations and the unallocated portions of the utility business. Various line items in the following tables are not allocated to the electric and gas segments for management reporting purposes, and therefore, are included only in “Total Utility.”

• Non-regulated, Parent and Other - includes the operations of Resources and its subsidiaries, Corporate Services, the Alliant Energy parent company, and any Alliant Energy parent company consolidating adjustments. Resources’ businesses include Transportation, Non-regulated Generation and other non-regulated investments described in Note 1(a).

Alliant Energy’s administrative support services are directly charged to the applicable segment where practicable. In all other cases, administrative support services are allocated to the applicable segment based on services agreements. Intersegment revenues were not material to Alliant Energy’s operations and there was no single customer whose revenues were 10% or more of Alliant Energy’s consolidated revenues.

Certain financial information relating to Alliant Energy’s business segments, services and geographic information was as follows (in millions):

	Utility										Non-Regulated,			Alliant Energy
2015	Electric			Gas		Other		Total			Parent and Other			Consolidated
Operating revenues		$2,770.5			$381.2		$57.9		$3,209.6			$44.0			$3,253.6
Depreciation and amortization	358.6			31.1		1.8		391.5			9.8			401.3
Operating income	514.1			34.6		1.9		550.6			26.4			577.0
Interest expense								189.2			(2.1		)	187.1
Equity (income) loss from unconsolidated investments, net	(35.1		)	—		—		(35.1		)	1.3			(33.8		)
Income taxes								60.2			10.2			70.4
Net income attributable to Alliant Energy common shareowners								362.3			15.9			378.2
Total assets	10,211.3			939.3		828.9		11,979.5			515.7			12,495.2
Investments in equity method subsidiaries	302.0			—		—		302.0			0.9			302.9
Construction and acquisition expenditures	855.8			106.4		1.4		963.6			70.7			1,034.3

	Utility										Non-Regulated,		Alliant Energy
2014	Electric			Gas		Other		Total			Parent and Other		Consolidated
Operating revenues		$2,713.6			$517.5		$66.1		$3,297.2			$53.1		$3,350.3
Depreciation and amortization	347.0			29.9		1.8		378.7			9.4		388.1
Operating income	442.4			53.8		14.0		510.2			33.4		543.6
Interest expense								176.3			4.3		180.6
Equity (income) loss from unconsolidated investments, net	(42.8		)	—		—		(42.8		)	2.4		(40.4		)
Income taxes								36.4			7.9		44.3
Net income attributable to Alliant Energy common shareowners								362.0			21.1		383.1
Total assets	9,660.4			913.5		993.9		11,567.8			495.7		12,063.5
Investments in equity method subsidiaries	294.3			—		—		294.3			2.3		296.6
Construction and acquisition expenditures	774.8			63.2		0.9		838.9			63.9		902.8

	Utility										Non-Regulated,		Alliant Energy
2013	Electric			Gas		Other		Total			Parent and Other		Consolidated
Operating revenues		$2,689.0			$464.8		$71.3		$3,225.1			$51.7		$3,276.8
Depreciation and amortization	333.0			28.8		1.5		363.3			7.6		370.9
Operating income	444.5			57.3		6.3		508.1			25.8		533.9
Interest expense								166.3			6.5		172.8
Equity income from unconsolidated investments, net	(43.7		)	—		—		(43.7		)	—		(43.7		)
Income taxes								49.3			4.6		53.9
Net income attributable to Alliant Energy common shareowners								349.5			8.8		358.3
Total assets	9,018.6			859.3		712.2		10,590.1			502.4		11,092.5
Investments in equity method subsidiaries	279.1			—		—		279.1			2.3		281.4
Construction and acquisition expenditures	677.3			47.0		7.3		731.6			66.7		798.3

Services - Alliant Energy’s consolidated operating revenues by segment, which were substantially all related to services, were as follows:

	2015		2014		2013
Utility electric operations	85	%	81	%	82	%
Utility gas operations	12	%	15	%	14	%
Utility other	2	%	2	%	2	%
Other	1	%	2	%	2	%
	100	%	100	%	100	%

Geographic Information - At December 31, 2015, 2014 and 2013, Alliant Energy, IPL and WPL did not have any long-lived assets to be held and used in foreign countries.

IPL - IPL is a utility primarily serving retail customers in Iowa and includes three reportable segments: a) electric operations; b) gas operations; and c) other, which includes steam operations and the unallocated portions of the utility business. Various line items in the following tables are not allocated to the electric and gas segments for management reporting purposes, and therefore, are included only in “Total.” Intersegment revenues were not material to IPL’s operations and there was no single customer whose revenues were 10% or more of IPL’s consolidated revenues. Certain financial information relating to IPL’s business segments was as follows (in millions):

2015	Electric		Gas		Other		Total
Operating revenues		$1,503.8		$217.3		$53.4		$1,774.5
Depreciation and amortization	187.9		17.5		1.8		207.2
Operating income	218.8		17.7		5.4		241.9
Interest expense							96.8
Income tax benefit							(22.7		)
Earnings available for common stock							186.0
Total assets	5,754.1		548.2		406.8		6,709.1
Construction and acquisition expenditures	561.2		56.7		1.4		619.3

2014	Electric		Gas		Other		Total
Operating revenues		$1,493.3		$296.5		$58.3		$1,848.1
Depreciation and amortization	178.7		17.0		1.8		197.5
Operating income	166.8		25.7		16.7		209.2
Interest expense							89.9
Income tax benefit							(48.9		)
Earnings available for common stock							181.6
Total assets	5,398.3		544.1		507.8		6,450.2
Construction and acquisition expenditures	490.0		35.1		0.9		526.0

2013	Electric		Gas		Other		Total
Operating revenues		$1,491.8		$273.9		$53.1		$1,818.8
Depreciation and amortization	173.1		16.5		1.5		191.1
Operating income	173.1		29.8		9.1		212.0
Interest expense							81.3
Income tax benefit							(36.3		)
Earnings available for common stock							172.0
Total assets	4,905.3		518.8		369.8		5,793.9
Construction and acquisition expenditures	365.4		27.5		7.3		400.2

WPL - WPL is a utility serving customers in Wisconsin and includes three reportable segments: a) electric operations; b) gas operations; and c) other, which includes the unallocated portions of the utility business. Various line items in the following tables are not allocated to the electric and gas segments for management reporting purposes, and therefore, are included only in “Total.” Intersegment revenues were not material to WPL’s operations and there was no single customer whose revenues were 10% or more of WPL’s consolidated revenues. Certain financial information relating to WPL’s business segments was as follows (in millions):

2015	Electric			Gas		Other			Total
Operating revenues		$1,266.7			$163.9		$4.5			$1,435.1
Depreciation and amortization	170.7			13.6		—			184.3
Operating income (loss)	295.3			16.9		(3.5		)	308.7
Interest expense									92.4
Equity income from unconsolidated investments	(35.1		)	—		—			(35.1		)
Income taxes									82.9
Earnings available for common stock									176.3
Total assets	4,457.2			391.1		422.1			5,270.4
Investments in equity method subsidiaries	302.0			—		—			302.0
Construction and acquisition expenditures	294.6			49.7		—			344.3

2014	Electric			Gas		Other			Total
Operating revenues		$1,220.3			$221.0		$7.8			$1,449.1
Depreciation and amortization	168.3			12.9		—			181.2
Operating income (loss)	275.6			28.1		(2.7		)	301.0
Interest expense									86.4
Equity income from unconsolidated investments	(42.8		)	—		—			(42.8		)
Income taxes									85.3
Earnings available for common stock									180.4
Total assets	4,262.1			369.4		486.1			5,117.6
Investments in equity method subsidiaries	294.3			—		—			294.3
Construction and acquisition expenditures	284.8			28.1		—			312.9

2013	Electric			Gas		Other			Total
Operating revenues		$1,197.2			$190.9		$18.2			$1,406.3
Depreciation and amortization	159.9			12.3		—			172.2
Operating income (loss)	271.4			27.5		(2.8		)	296.1
Interest expense									85.0
Equity income from unconsolidated investments	(43.7		)	—		—			(43.7		)
Income taxes									85.6
Earnings available for common stock									177.5
Total assets	4,113.3			340.5		342.4			4,796.2
Investments in equity method subsidiaries	279.1			—		—			279.1
Construction and acquisition expenditures	311.9			19.5		—			331.4

IPL [Member]

Segment Reporting Information [Line Items]

Segments Of Business

SEGMENTS OF BUSINESS

Alliant Energy - Alliant Energy’s principal businesses as of December 31, 2015 are:

• Utility - includes the operations of IPL and WPL, which primarily serve retail customers in Iowa and Wisconsin. The utility business has three reportable segments: a) utility electric operations; b) utility gas operations; and c) utility other, which includes steam operations and the unallocated portions of the utility business. Various line items in the following tables are not allocated to the electric and gas segments for management reporting purposes, and therefore, are included only in “Total Utility.”

• Non-regulated, Parent and Other - includes the operations of Resources and its subsidiaries, Corporate Services, the Alliant Energy parent company, and any Alliant Energy parent company consolidating adjustments. Resources’ businesses include Transportation, Non-regulated Generation and other non-regulated investments described in Note 1(a).

Alliant Energy’s administrative support services are directly charged to the applicable segment where practicable. In all other cases, administrative support services are allocated to the applicable segment based on services agreements. Intersegment revenues were not material to Alliant Energy’s operations and there was no single customer whose revenues were 10% or more of Alliant Energy’s consolidated revenues.

Certain financial information relating to Alliant Energy’s business segments, services and geographic information was as follows (in millions):

	Utility										Non-Regulated,			Alliant Energy
2015	Electric			Gas		Other		Total			Parent and Other			Consolidated
Operating revenues		$2,770.5			$381.2		$57.9		$3,209.6			$44.0			$3,253.6
Depreciation and amortization	358.6			31.1		1.8		391.5			9.8			401.3
Operating income	514.1			34.6		1.9		550.6			26.4			577.0
Interest expense								189.2			(2.1		)	187.1
Equity (income) loss from unconsolidated investments, net	(35.1		)	—		—		(35.1		)	1.3			(33.8		)
Income taxes								60.2			10.2			70.4
Net income attributable to Alliant Energy common shareowners								362.3			15.9			378.2
Total assets	10,211.3			939.3		828.9		11,979.5			515.7			12,495.2
Investments in equity method subsidiaries	302.0			—		—		302.0			0.9			302.9
Construction and acquisition expenditures	855.8			106.4		1.4		963.6			70.7			1,034.3

	Utility										Non-Regulated,		Alliant Energy
2014	Electric			Gas		Other		Total			Parent and Other		Consolidated
Operating revenues		$2,713.6			$517.5		$66.1		$3,297.2			$53.1		$3,350.3
Depreciation and amortization	347.0			29.9		1.8		378.7			9.4		388.1
Operating income	442.4			53.8		14.0		510.2			33.4		543.6
Interest expense								176.3			4.3		180.6
Equity (income) loss from unconsolidated investments, net	(42.8		)	—		—		(42.8		)	2.4		(40.4		)
Income taxes								36.4			7.9		44.3
Net income attributable to Alliant Energy common shareowners								362.0			21.1		383.1
Total assets	9,660.4			913.5		993.9		11,567.8			495.7		12,063.5
Investments in equity method subsidiaries	294.3			—		—		294.3			2.3		296.6
Construction and acquisition expenditures	774.8			63.2		0.9		838.9			63.9		902.8

	Utility										Non-Regulated,		Alliant Energy
2013	Electric			Gas		Other		Total			Parent and Other		Consolidated
Operating revenues		$2,689.0			$464.8		$71.3		$3,225.1			$51.7		$3,276.8
Depreciation and amortization	333.0			28.8		1.5		363.3			7.6		370.9
Operating income	444.5			57.3		6.3		508.1			25.8		533.9
Interest expense								166.3			6.5		172.8
Equity income from unconsolidated investments, net	(43.7		)	—		—		(43.7		)	—		(43.7		)
Income taxes								49.3			4.6		53.9
Net income attributable to Alliant Energy common shareowners								349.5			8.8		358.3
Total assets	9,018.6			859.3		712.2		10,590.1			502.4		11,092.5
Investments in equity method subsidiaries	279.1			—		—		279.1			2.3		281.4
Construction and acquisition expenditures	677.3			47.0		7.3		731.6			66.7		798.3

Services - Alliant Energy’s consolidated operating revenues by segment, which were substantially all related to services, were as follows:

	2015		2014		2013
Utility electric operations	85	%	81	%	82	%
Utility gas operations	12	%	15	%	14	%
Utility other	2	%	2	%	2	%
Other	1	%	2	%	2	%
	100	%	100	%	100	%

Geographic Information - At December 31, 2015, 2014 and 2013, Alliant Energy, IPL and WPL did not have any long-lived assets to be held and used in foreign countries.

IPL - IPL is a utility primarily serving retail customers in Iowa and includes three reportable segments: a) electric operations; b) gas operations; and c) other, which includes steam operations and the unallocated portions of the utility business. Various line items in the following tables are not allocated to the electric and gas segments for management reporting purposes, and therefore, are included only in “Total.” Intersegment revenues were not material to IPL’s operations and there was no single customer whose revenues were 10% or more of IPL’s consolidated revenues. Certain financial information relating to IPL’s business segments was as follows (in millions):

2015	Electric		Gas		Other		Total
Operating revenues		$1,503.8		$217.3		$53.4		$1,774.5
Depreciation and amortization	187.9		17.5		1.8		207.2
Operating income	218.8		17.7		5.4		241.9
Interest expense							96.8
Income tax benefit							(22.7		)
Earnings available for common stock							186.0
Total assets	5,754.1		548.2		406.8		6,709.1
Construction and acquisition expenditures	561.2		56.7		1.4		619.3

2014	Electric		Gas		Other		Total
Operating revenues		$1,493.3		$296.5		$58.3		$1,848.1
Depreciation and amortization	178.7		17.0		1.8		197.5
Operating income	166.8		25.7		16.7		209.2
Interest expense							89.9
Income tax benefit							(48.9		)
Earnings available for common stock							181.6
Total assets	5,398.3		544.1		507.8		6,450.2
Construction and acquisition expenditures	490.0		35.1		0.9		526.0

2013	Electric		Gas		Other		Total
Operating revenues		$1,491.8		$273.9		$53.1		$1,818.8
Depreciation and amortization	173.1		16.5		1.5		191.1
Operating income	173.1		29.8		9.1		212.0
Interest expense							81.3
Income tax benefit							(36.3		)
Earnings available for common stock							172.0
Total assets	4,905.3		518.8		369.8		5,793.9
Construction and acquisition expenditures	365.4		27.5		7.3		400.2

WPL - WPL is a utility serving customers in Wisconsin and includes three reportable segments: a) electric operations; b) gas operations; and c) other, which includes the unallocated portions of the utility business. Various line items in the following tables are not allocated to the electric and gas segments for management reporting purposes, and therefore, are included only in “Total.” Intersegment revenues were not material to WPL’s operations and there was no single customer whose revenues were 10% or more of WPL’s consolidated revenues. Certain financial information relating to WPL’s business segments was as follows (in millions):

2015	Electric			Gas		Other			Total
Operating revenues		$1,266.7			$163.9		$4.5			$1,435.1
Depreciation and amortization	170.7			13.6		—			184.3
Operating income (loss)	295.3			16.9		(3.5		)	308.7
Interest expense									92.4
Equity income from unconsolidated investments	(35.1		)	—		—			(35.1		)
Income taxes									82.9
Earnings available for common stock									176.3
Total assets	4,457.2			391.1		422.1			5,270.4
Investments in equity method subsidiaries	302.0			—		—			302.0
Construction and acquisition expenditures	294.6			49.7		—			344.3

2014	Electric			Gas		Other			Total
Operating revenues		$1,220.3			$221.0		$7.8			$1,449.1
Depreciation and amortization	168.3			12.9		—			181.2
Operating income (loss)	275.6			28.1		(2.7		)	301.0
Interest expense									86.4
Equity income from unconsolidated investments	(42.8		)	—		—			(42.8		)
Income taxes									85.3
Earnings available for common stock									180.4
Total assets	4,262.1			369.4		486.1			5,117.6
Investments in equity method subsidiaries	294.3			—		—			294.3
Construction and acquisition expenditures	284.8			28.1		—			312.9

2013	Electric			Gas		Other			Total
Operating revenues		$1,197.2			$190.9		$18.2			$1,406.3
Depreciation and amortization	159.9			12.3		—			172.2
Operating income (loss)	271.4			27.5		(2.8		)	296.1
Interest expense									85.0
Equity income from unconsolidated investments	(43.7		)	—		—			(43.7		)
Income taxes									85.6
Earnings available for common stock									177.5
Total assets	4,113.3			340.5		342.4			4,796.2
Investments in equity method subsidiaries	279.1			—		—			279.1
Construction and acquisition expenditures	311.9			19.5		—			331.4

WPL [Member]

Segment Reporting Information [Line Items]

Segments Of Business

SEGMENTS OF BUSINESS

Alliant Energy - Alliant Energy’s principal businesses as of December 31, 2015 are:

• Utility - includes the operations of IPL and WPL, which primarily serve retail customers in Iowa and Wisconsin. The utility business has three reportable segments: a) utility electric operations; b) utility gas operations; and c) utility other, which includes steam operations and the unallocated portions of the utility business. Various line items in the following tables are not allocated to the electric and gas segments for management reporting purposes, and therefore, are included only in “Total Utility.”

• Non-regulated, Parent and Other - includes the operations of Resources and its subsidiaries, Corporate Services, the Alliant Energy parent company, and any Alliant Energy parent company consolidating adjustments. Resources’ businesses include Transportation, Non-regulated Generation and other non-regulated investments described in Note 1(a).

Alliant Energy’s administrative support services are directly charged to the applicable segment where practicable. In all other cases, administrative support services are allocated to the applicable segment based on services agreements. Intersegment revenues were not material to Alliant Energy’s operations and there was no single customer whose revenues were 10% or more of Alliant Energy’s consolidated revenues.

Certain financial information relating to Alliant Energy’s business segments, services and geographic information was as follows (in millions):

	Utility										Non-Regulated,			Alliant Energy
2015	Electric			Gas		Other		Total			Parent and Other			Consolidated
Operating revenues		$2,770.5			$381.2		$57.9		$3,209.6			$44.0			$3,253.6
Depreciation and amortization	358.6			31.1		1.8		391.5			9.8			401.3
Operating income	514.1			34.6		1.9		550.6			26.4			577.0
Interest expense								189.2			(2.1		)	187.1
Equity (income) loss from unconsolidated investments, net	(35.1		)	—		—		(35.1		)	1.3			(33.8		)
Income taxes								60.2			10.2			70.4
Net income attributable to Alliant Energy common shareowners								362.3			15.9			378.2
Total assets	10,211.3			939.3		828.9		11,979.5			515.7			12,495.2
Investments in equity method subsidiaries	302.0			—		—		302.0			0.9			302.9
Construction and acquisition expenditures	855.8			106.4		1.4		963.6			70.7			1,034.3

	Utility										Non-Regulated,		Alliant Energy
2014	Electric			Gas		Other		Total			Parent and Other		Consolidated
Operating revenues		$2,713.6			$517.5		$66.1		$3,297.2			$53.1		$3,350.3
Depreciation and amortization	347.0			29.9		1.8		378.7			9.4		388.1
Operating income	442.4			53.8		14.0		510.2			33.4		543.6
Interest expense								176.3			4.3		180.6
Equity (income) loss from unconsolidated investments, net	(42.8		)	—		—		(42.8		)	2.4		(40.4		)
Income taxes								36.4			7.9		44.3
Net income attributable to Alliant Energy common shareowners								362.0			21.1		383.1
Total assets	9,660.4			913.5		993.9		11,567.8			495.7		12,063.5
Investments in equity method subsidiaries	294.3			—		—		294.3			2.3		296.6
Construction and acquisition expenditures	774.8			63.2		0.9		838.9			63.9		902.8

	Utility										Non-Regulated,		Alliant Energy
2013	Electric			Gas		Other		Total			Parent and Other		Consolidated
Operating revenues		$2,689.0			$464.8		$71.3		$3,225.1			$51.7		$3,276.8
Depreciation and amortization	333.0			28.8		1.5		363.3			7.6		370.9
Operating income	444.5			57.3		6.3		508.1			25.8		533.9
Interest expense								166.3			6.5		172.8
Equity income from unconsolidated investments, net	(43.7		)	—		—		(43.7		)	—		(43.7		)
Income taxes								49.3			4.6		53.9
Net income attributable to Alliant Energy common shareowners								349.5			8.8		358.3
Total assets	9,018.6			859.3		712.2		10,590.1			502.4		11,092.5
Investments in equity method subsidiaries	279.1			—		—		279.1			2.3		281.4
Construction and acquisition expenditures	677.3			47.0		7.3		731.6			66.7		798.3

Services - Alliant Energy’s consolidated operating revenues by segment, which were substantially all related to services, were as follows:

	2015		2014		2013
Utility electric operations	85	%	81	%	82	%
Utility gas operations	12	%	15	%	14	%
Utility other	2	%	2	%	2	%
Other	1	%	2	%	2	%
	100	%	100	%	100	%

Geographic Information - At December 31, 2015, 2014 and 2013, Alliant Energy, IPL and WPL did not have any long-lived assets to be held and used in foreign countries.

IPL - IPL is a utility primarily serving retail customers in Iowa and includes three reportable segments: a) electric operations; b) gas operations; and c) other, which includes steam operations and the unallocated portions of the utility business. Various line items in the following tables are not allocated to the electric and gas segments for management reporting purposes, and therefore, are included only in “Total.” Intersegment revenues were not material to IPL’s operations and there was no single customer whose revenues were 10% or more of IPL’s consolidated revenues. Certain financial information relating to IPL’s business segments was as follows (in millions):

2015	Electric		Gas		Other		Total
Operating revenues		$1,503.8		$217.3		$53.4		$1,774.5
Depreciation and amortization	187.9		17.5		1.8		207.2
Operating income	218.8		17.7		5.4		241.9
Interest expense							96.8
Income tax benefit							(22.7		)
Earnings available for common stock							186.0
Total assets	5,754.1		548.2		406.8		6,709.1
Construction and acquisition expenditures	561.2		56.7		1.4		619.3

2014	Electric		Gas		Other		Total
Operating revenues		$1,493.3		$296.5		$58.3		$1,848.1
Depreciation and amortization	178.7		17.0		1.8		197.5
Operating income	166.8		25.7		16.7		209.2
Interest expense							89.9
Income tax benefit							(48.9		)
Earnings available for common stock							181.6
Total assets	5,398.3		544.1		507.8		6,450.2
Construction and acquisition expenditures	490.0		35.1		0.9		526.0

2013	Electric		Gas		Other		Total
Operating revenues		$1,491.8		$273.9		$53.1		$1,818.8
Depreciation and amortization	173.1		16.5		1.5		191.1
Operating income	173.1		29.8		9.1		212.0
Interest expense							81.3
Income tax benefit							(36.3		)
Earnings available for common stock							172.0
Total assets	4,905.3		518.8		369.8		5,793.9
Construction and acquisition expenditures	365.4		27.5		7.3		400.2

WPL - WPL is a utility serving customers in Wisconsin and includes three reportable segments: a) electric operations; b) gas operations; and c) other, which includes the unallocated portions of the utility business. Various line items in the following tables are not allocated to the electric and gas segments for management reporting purposes, and therefore, are included only in “Total.” Intersegment revenues were not material to WPL’s operations and there was no single customer whose revenues were 10% or more of WPL’s consolidated revenues. Certain financial information relating to WPL’s business segments was as follows (in millions):

2015	Electric			Gas		Other			Total
Operating revenues		$1,266.7			$163.9		$4.5			$1,435.1
Depreciation and amortization	170.7			13.6		—			184.3
Operating income (loss)	295.3			16.9		(3.5		)	308.7
Interest expense									92.4
Equity income from unconsolidated investments	(35.1		)	—		—			(35.1		)
Income taxes									82.9
Earnings available for common stock									176.3
Total assets	4,457.2			391.1		422.1			5,270.4
Investments in equity method subsidiaries	302.0			—		—			302.0
Construction and acquisition expenditures	294.6			49.7		—			344.3

2014	Electric			Gas		Other			Total
Operating revenues		$1,220.3			$221.0		$7.8			$1,449.1
Depreciation and amortization	168.3			12.9		—			181.2
Operating income (loss)	275.6			28.1		(2.7		)	301.0
Interest expense									86.4
Equity income from unconsolidated investments	(42.8		)	—		—			(42.8		)
Income taxes									85.3
Earnings available for common stock									180.4
Total assets	4,262.1			369.4		486.1			5,117.6
Investments in equity method subsidiaries	294.3			—		—			294.3
Construction and acquisition expenditures	284.8			28.1		—			312.9

2013	Electric			Gas		Other			Total
Operating revenues		$1,197.2			$190.9		$18.2			$1,406.3
Depreciation and amortization	159.9			12.3		—			172.2
Operating income (loss)	271.4			27.5		(2.8		)	296.1
Interest expense									85.0
Equity income from unconsolidated investments	(43.7		)	—		—			(43.7		)
Income taxes									85.6
Earnings available for common stock									177.5
Total assets	4,113.3			340.5		342.4			4,796.2
Investments in equity method subsidiaries	279.1			—		—			279.1
Construction and acquisition expenditures	311.9			19.5		—			331.4