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Investment in ATC
6 Months Ended
Jun. 30, 2011
Equity Investments [Abstract]  
Equity Investments
NOTE 6.  INVESTMENT IN ATC

Our wholly-owned subsidiary, Rainy River Energy, owns approximately 8 percent of ATC, a Wisconsin-based utility that owns and maintains electric transmission assets in parts of Wisconsin, Michigan, Minnesota and Illinois. ATC rates are FERC approved and are based on a 12.2 percent return on common equity dedicated to utility plant. We account for our investment in ATC under the equity method of accounting. On July 29, 2011, we invested an additional $0.6 million in ATC for a total investment of $2.0 million in 2011.

ALLETE's Investment in ATC
 
Millions
 
Equity Investment Balance as of December 31, 2010
$93.3
Cash Investments
1.4
Equity in ATC Earnings
9.0
Distributed ATC Earnings
(7.4)
Equity Investment Balance as of June 30, 2011
$96.3

ATC's summarized financial data for the quarter and six months ended June 30, 2011 and 2010, is as follows:

 
Quarter Ended
Six Months Ended
ATC Summarized Financial Data
June 30,
June 30,
Income Statement Data
2011
2010
2011
2010
Millions
       
Revenue
$138.2
$138.7
$277.8
$277.1
Operating Expense
63.0
62.9
126.1
125.7
Other Expense
19.6
21.7
41.9
42.2
Net Income
$55.6
$54.1
$109.8
$109.2
         
ALLETE's Equity in Net Income
$4.6
$4.4
$9.0
$8.9