Investments

3 Months Ended

Mar. 31, 2012

Investments

(8) INVESTMENTS

Unconsolidated Equity Investments—Equity (income) loss from Alliant Energy's and WPL's unconsolidated investments accounted for under the equity method of accounting for the three months ended March 31 was as follows (in millions):

	Alliant Energy						WPL
	2012			2011			2012			2011
American Transmission Company LLC (ATC)	($	9.9	)	($	9.2	)	($	9.9	)	($	9.2	)
Other		0.5			(0.7	)		(0.2	)		(0.2	)
	($	9.4	)	($	9.9	)	($	10.1	)	($	9.4	)

Summary financial information from the unaudited financial statements of ATC for the three months ended March 31 was as follows (in millions):

	2012		2011
Operating revenues	$	147.7	$	139.6
Operating income		78.1		76.5
Net income		58.1		54.2

WPL [Member]

Investments

(8) INVESTMENTS

Unconsolidated Equity InvestmentsEquity (income) loss from Alliant Energy's and WPL's unconsolidated investments accounted for under the equity method of accounting for the three months ended March 31 was as follows (in millions):

	Alliant Energy						WPL
	2012			2011			2012			2011
American Transmission Company LLC (ATC)	($	9.9	)	($	9.2	)	($	9.9	)	($	9.2	)
Other		0.5			(0.7	)		(0.2	)		(0.2	)
	($	9.4	)	($	9.9	)	($	10.1	)	($	9.4	)

Summary financial information from the unaudited financial statements of ATC for the three months ended March 31 was as follows (in millions):

	2012		2011
Operating revenues	$	147.7	$	139.6
Operating income		78.1		76.5
Net income		58.1		54.2