Related Parties

12 Months Ended

Dec. 31, 2012

Related Party Transaction, Due from (to) Related Party [Abstract]

RELATED PARTIES

RELATED PARTIES

We receive and/or provide certain services to other associated companies in which we have an equity investment.

American Transmission Company LLC:   As of December 31, 2012, we have a 26.2% interest in ATC. We pay ATC for transmission and other related services it provides. In addition, we provide a variety of operational, maintenance and project management work for ATC, which are reimbursed to us by ATC. We are required to pay the cost of needed transmission infrastructure upgrades for new generation projects while projects are under construction, including the new generating units constructed as part of our PTF strategy. ATC reimburses us for these costs when new generation is placed in service. As of December 31, 2012 and 2011, we had a receivable of zero and $5.4 million, respectively, for these items. During the years ended December 31, 2012, 2011 and 2010, our equity in earnings from ATC was $65.7 million, $62.5 million and $60.1 million, respectively. During the years ended December 31, 2012, 2011 and 2010, distributions received from ATC were $52.6 million, $49.7 million and $49.3 million, respectively.

We provided and received services from the following associated companies during 2012, 2011 and 2010:

Equity Investee	2012		2011		2010
	(Millions of Dollars)
Services Provided
–ATC	$	8.2	$	10.8	$	16.9
Services Received
–ATC	$	222.7	$	219.2	$	220.8

As of December 31, 2012 and 2011, our Consolidated Balance Sheets included receivable and payable balances with ATC as follows:

Equity Investee	2012		2011
	(Millions of Dollars)
Services Provided
–ATC	$	0.5	$	0.7
Services Received
–ATC	$	18.6	$	18.1