Discontinued Operations And Assets And Liabilities Held for Sale (Tables)

6 Months Ended

Jun. 30, 2015

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Discontinued Operations on Income Statement

A summary of the components of discontinued operations in Alliant Energy’s income statements for the three and six months ended June 30 was as follows (in millions):

	Three Months						Six Months
	2015			2014			2015			2014
Operating expenses		$2.0			$0.6			$2.0			$0.6
Loss before income taxes	(2.0		)	(0.6		)	(2.0		)	(0.6		)
Income tax benefit	(0.7		)	(0.3		)	(0.7		)	(0.3		)
Loss from discontinued operations, net of tax		($1.3	)		($0.3	)		($1.3	)		($0.3	)

Assets And Liabilities Held For Sale on Balance Sheets

Alliant Energy’s and IPL’s balance sheets included assets held for sale recorded in “Other current assets” and liabilities held for sale recorded in “Other current liabilities” as follows (in millions):

	Electric			Natural Gas
	Distribution Assets			Distribution Assets
	June 30, 2015			December 31, 2014
Assets held for sale:
Current assets		$9.3			$1.1
Property, plant and equipment, net	125.0			11.0
Non-current regulatory assets	20.5			7.0
Carrying value adjustment of net assets sold (a)	(8.8		)	—
Total assets held for sale	146.0			19.1
Liabilities held for sale:
Current liabilities	2.4			1.0
Other liabilities	12.6			7.1
Total liabilities held for sale	15.0			8.1
Net assets held for sale		$131.0			$11.0

(a) The carrying value of IPL’s Minnesota electric distribution assets classified as held for sale exceeded the expected proceeds, less costs to sell. As a result, Alliant Energy and IPL recorded a pre-tax charge of $9 million in the second quarter of 2015 related to the Minnesota electric distribution assets.

IPL [Member]

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Assets And Liabilities Held For Sale on Balance Sheets

Alliant Energy’s and IPL’s balance sheets included assets held for sale recorded in “Other current assets” and liabilities held for sale recorded in “Other current liabilities” as follows (in millions):

	Electric			Natural Gas
	Distribution Assets			Distribution Assets
	June 30, 2015			December 31, 2014
Assets held for sale:
Current assets		$9.3			$1.1
Property, plant and equipment, net	125.0			11.0
Non-current regulatory assets	20.5			7.0
Carrying value adjustment of net assets sold (a)	(8.8		)	—
Total assets held for sale	146.0			19.1
Liabilities held for sale:
Current liabilities	2.4			1.0
Other liabilities	12.6			7.1
Total liabilities held for sale	15.0			8.1
Net assets held for sale		$131.0			$11.0

(a) The carrying value of IPL’s Minnesota electric distribution assets classified as held for sale exceeded the expected proceeds, less costs to sell. As a result, Alliant Energy and IPL recorded a pre-tax charge of $9 million in the second quarter of 2015 related to the Minnesota electric distribution assets.