Transactions with Affiliates

12 Months Ended

Dec. 31, 2011

Transactions with Affiliates [Abstract]

TRANSACTIONS WITH AFFILIATES

NOTE 19. TRANSACTIONS WITH AFFILIATES (Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

Each Registrant Subsidiary purchases electricity from or sells electricity to the other Registrant Subsidiaries, or both, under rate schedules filed with FERC. The Registrant Subsidiaries receive management, technical, advisory, operating, and administrative services from Entergy Services; receive management, technical, and operating services from Entergy Operations; and until the first quarter 2011 purchased fuel from System Fuels. These transactions are on an “at cost” basis. In addition, Entergy Power sells electricity to Entergy Arkansas, Entergy Louisiana, and Entergy New Orleans. RS Cogen sells electricity to Entergy Gulf States Louisiana.

As described in Note 1 to the financial statements, all of System Energy’s operating revenues consist of billings to Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, and Entergy New Orleans.

As described in Note 4 to the financial statements, the Registrant Subsidiaries participate in Entergy’s money pool and earn interest income from the money pool. Entergy Arkansas, Entergy Mississippi, and Entergy New Orleans also received interest income from System Fuels until the first quarter 2011, when System Fuels repaid each company’s investment in System Fuels. As described in Note 2 to the financial statements, Entergy Gulf States Louisiana and Entergy Louisiana receive preferred membership distributions from Entergy Holdings Company.

The tables below contain the various affiliate transactions of the Utility operating companies, System Energy, and other Entergy affiliates.

Intercompany Revenues

	Entergy Arkansas		Entergy Gulf States Louisiana		Entergy Louisiana		Entergy Mississippi		Entergy New Orleans		Entergy Texas		System Energy
	(In Millions)
2011	$	293.8	$	574.5	$	139.0	$	125.1	$	96.9	$	264.1	$	563.4
2010	$	307.1	$	462.9	$	228.0	$	59.4	$	56.0	$	372.8	$	558.6
2009	$	354.5	$	475.5	$	260.2	$	56.2	$	87.6	$	295.0	$	554.0

Intercompany Operating Expenses

	Entergy Arkansas		Entergy Gulf States Louisiana		Entergy Louisiana		Entergy Mississippi		Entergy New Orleans		Entergy Texas		System Energy
	(In Millions)
		(1)		(2)		(3)				(4)
2011	$	752.7	$	563.1	$	574.0	$	337.2	$	226.6	$	486.6	$	131.5
2010	$	545.6	$	602.7	$	483.0	$	372.9	$	235.8	$	519.0	$	122.7
2009	$	844.5	$	547.6	$	496.6	$	353.1	$	213.5	$	417.6	$	136.3

(1) Includes $1.2 million in 2011, $0.1 million in 2010, and $0.1 million in 2009 for power purchased from Entergy Power.

(2) Includes power purchased from RS Cogen of $41.1 million in 2011, $50.8 million in 2010, and $49.3 million in 2009.

(3) Includes power purchased from Entergy Power of $14.5 million in 2011, $12.0 million in 2010, and $11.6 million in 2009.

(4) Includes power purchased from Entergy Power of $14.2 million in 2011, $11.8 million in 2010, and $11.3 million in 2009.

Intercompany Interest and Investment Income

	Entergy Arkansas		Entergy Gulf  States Louisiana		Entergy Louisiana		Entergy Mississippi		Entergy New Orleans		Entergy Texas		System Energy
	(In Millions)
2011	$	0.1	$	32.5	$	78.1	$	0.1	$	0.1	$	0.0	$	0.6
2010	$	0.6	$	26.5	$	67.6	$	0.3	$	0.2	$	0.1	$	0.7
2009	$	0.9	$	19.5	$	55.5	$	0.8	$	0.7	$	0.4	$	1.9