v3.4.0.3
Investment in American Transmission Company (Tables) - ATC
 3 Months Ended
Mar. 31, 2016
Investment in ATC  
Schedule of changes to our investment in ATC
The following table shows changes to our investment in ATC:
 
 
Three Months Ended March 31
(in millions)
 
2016
 
2015
Balance at beginning of period
 
$
1,380.9

 
$
424.1

Add: Earnings from equity method investment
 
38.5

 
16.1

Add: Capital contributions
 
9.0

 
1.3

Add: Adjustment to equity method goodwill
 
9.3

 
—

Less: Distributions received
 
15.1

 
10.4

Less: Other
 
0.1

 
—

Balance at end of period
 
$
1,422.5

 
$
431.1
Schedule of significant transactions with ATC
The following table summarizes our significant related party transactions with ATC:
 
 
Three Months Ended March 31
(in millions)
 
2016
 
2015
Charges to ATC for services and construction
 
$
4.1

 
$
2.5

Charges from ATC for network transmission services
 
100.8

 
59.6
Schedule of receivables and payables with ATC
Our balance sheets included the following receivables and payables related to ATC:
(in millions)
 
March 31, 2016
 
December 31, 2015
Accounts receivable
 
 
 
 
Services provided to ATC
 
$
2.0

 
$
1.0

Accounts payable
 
 
 
 
Services received from ATC
 
30.4

 
28.3
Schedule of summarized income statement data for ATC
Summarized financial data for ATC is included in the following tables:
 
 
Three Months Ended March 31
(in millions)
 
2016
 
2015
Income statement data
 
 
 
 
Revenues
 
$
164.2

 
$
152.4

Operating expenses
 
79.1

 
80.0

Other expense
 
24.0

 
24.4

Net income
 
$
61.1

 
$
48.0
Schedule of summarized balance sheet data for ATC
(in millions)
 
March 31, 2016
 
December 31, 2015
Balance sheet data
 
 
 
 
Current assets
 
$
88.7

 
$
80.5

Noncurrent assets
 
4,022.1

 
3,948.3

Total assets
 
$
4,110.8

 
$
4,028.8

 
 
 
 
 
Current liabilities
 
$
337.8

 
$
330.3

Long-term debt
 
1,790.9

 
1,790.7

Other noncurrent liabilities
 
265.8

 
245.0

Shareholders' equity
 
1,716.3

 
1,662.8

Total liabilities and shareholders' equity
 
$
4,110.8

 
$
4,028.8