Related Party Transactions

3 Months Ended

Mar. 31, 2015

Ameren (parent) and its subsidiaries have engaged in, and may in the future engage in, affiliate transactions in the normal course of business. These transactions primarily consist of power purchases and sales, services received or rendered, and borrowings and lendings.

Transactions between affiliates are reported as intercompany transactions on their respective financial statements but are eliminated in consolidation for Ameren’s financial statements. For a discussion of our material related party agreements, see Note 14 - Related Party Transactions under Part II, Item 8, of the Form 10-K and the money pool arrangements discussed in Note 3 - Short-term Debt and Liquidity of this report.

Electric Power Supply Agreements

In April 2015, Ameren Illinois used an RFP process, administered by the IPA, to procure energy products from June 1, 2015, through May 31, 2018. Ameren Missouri was among the winning suppliers in the energy product RFP process. As a result, in 2015, Ameren Missouri and Ameren Illinois entered into energy product agreements by which Ameren Missouri agreed to sell and Ameren Illinois agreed to purchase 667,000 megawatthours at an average price of $36 per megawatthour during the period of June 1, 2015, through June 30, 2017.

The following table presents the impact on Ameren Missouri and Ameren Illinois of related party transactions for the three months ended March 31, 2015 and 2014.



				Three Months
Agreement	Income Statement Line Item			Ameren Missouri		Ameren Illinois
Ameren Missouri power supply	Operating Revenues	2015	$	1	$	(a)
agreements with Ameren Illinois		2014		(b)		(a)
Ameren Missouri and Ameren Illinois	Operating Revenues	2015		6		1
rent and facility services		2014		5		(b)
Ameren Missouri and Ameren Illinois	Operating Revenues	2015		(b)		(b)
miscellaneous support services		2014		(b)		(b)
Total Operating Revenues		2015	$	7	$	1
		2014		5		(b)
Ameren Illinois power supply	Purchased Power	2015	$	(a)	$	1
agreements with Ameren Missouri		2014		(a)		(b)
Ameren Illinois transmission	Purchased Power	2015		(a)		1
services with ATXI		2014		(a)		1
Total Purchased Power		2015	$	(a)	$	2
		2014		(a)		1
Ameren Services support services	Other Operations and Maintenance	2015	$	34	$	29
agreement		2014		33		27
Total Other Operations and		2015	$	34	$	29
Maintenance Expenses		2014		33		27
Money pool borrowings (advances)	Interest Charges/ Miscellaneous	2015	$	(b)	$	(b)
	Income	2014		(b)		(b)


(a)	Not applicable.


(b)	Amount less than $1 million.

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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