INVESTMENT IN TRANSMISSION AFFILIATES (Tables)

3 Months Ended

Mar. 31, 2019

The following tables provide a reconciliation of the changes in our investments in ATC and ATC Holdco:



	Three Months Ended March 31, 2019
(in millions)	ATC		ATC Holdco			Total
Balance at beginning of period	$	1,625.3	$	40.0		$	1,665.3
Add: Earnings (loss) from equity method investment	36.5		(0.4		)	36.1
Add: Capital contributions	3.0		0.4			3.4
Less: Distributions	34.2		—			34.2
Balance at end of period	$	1,630.6	$	40.0		$	1,670.6



	Three Months Ended March 31, 2018
(in millions)	ATC		ATC Holdco			Total
Balance at beginning of period *	$	1,515.8	$	37.6		$	1,553.4
Add: Earnings (loss) from equity method investment	33.4		(0.6		)	32.8
Add: Capital contributions	12.0		0.8			12.8
Less: Other	0.1		—			0.1
Balance at end of period	$	1,561.1	$	37.8		$	1,598.9


*	Distributions of $39.9 million, received in the first quarter of 2018, were approved and recorded as a receivable from ATC in other current assets at December 31, 2017.

The following table summarizes our significant related party transactions with ATC:



	Three Months Ended March 31
(in millions)	2019		2018
Charges to ATC for services and construction	$	4.0	$	4.6
Charges from ATC for network transmission services	87.1		84.5

Our balance sheets included the following receivables and payables for services received from or provided to ATC:



(in millions)	March 31, 2019		December 31, 2018
Accounts receivable for services provided to ATC	$	2.0	$	3.4
Accounts payable for services received from ATC	29.0		28.2

Summarized financial data for ATC is included in the following tables:



(in millions)	March 31, 2019		December 31, 2018
Balance sheet data
Current assets	$	87.8	$	87.2
Noncurrent assets	5,012.7		4,928.8
Total assets	$	5,100.5	$	5,016.0

Current liabilities	$	571.1	$	640.0
Long-term debt	2,164.1		2,014.0
Other noncurrent liabilities	288.6		295.3
Shareholders' equity	2,076.7		2,066.7
Total liabilities and shareholders' equity	$	5,100.5	$	5,016.0