Investment in ATC (Tables)

3 Months Ended

Mar. 31, 2015

Investment in ATC [Abstract]

ALLETE's Investment in ATC [Table Text Block]

ALLETE’s Investment in ATC
Millions
Equity Investment Balance as of December 31, 2014		$121.1
Cash Investments	0.4
Equity in ATC Earnings	3.9
Distributed ATC Earnings	(3.1		)
Equity Investment Balance as of March 31, 2015		$122.3

NOTE 9.  INVESTMENT IN ATC (Continued)

ATC’s summarized financial data for the three months ended March 31, 2015 and 2014, is as follows:

	Three Months Ended
ATC Summarized Financial Data	March 31,
Income Statement Data	2015		2014
Millions
Revenue	$152.4		$163.3
Operating Expense	80.0		78.6
Other Expense	24.4		21.6
Net Income	$48.0		$63.1
ALLETE’s Equity in Net Income		$3.9	$5.1