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Investment in ATC (Tables)
9 Months Ended
Sep. 30, 2014
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, 2013

$114.6

Cash Investments
3.1

Equity in ATC Earnings
15.6

Distributed ATC Earnings
(12.6
)
Equity Investment Balance as of September 30, 2014

$120.7



NOTE 8.  INVESTMENT IN ATC (Continued)

ATC’s summarized financial data for the quarter and nine months ended September 30, 2014 and 2013, is as follows:
 
Quarter Ended
 
Nine Months Ended
ATC Summarized Financial Data
September 30,
 
September 30,
Income Statement Data
2014
 
2013
 
2014
 
2013
Millions
 
 
 
 
 
 
 
Revenue
$163.6
 
$160.5
 

$487.0

 

$464.3

Operating Expense
76.6
 
77.6
 
229.6

 
217.2

Other Expense
21.4
 
20.2
 
65.1

 
62.6

Net Income
$65.6
 
$62.7
 

$192.3

 

$184.5

ALLETE’s Equity in Net Income

$5.3

 
$4.9
 

$15.6

 

$15.1