Utility Plant In Service (Tables)

12 Months Ended

Dec. 31, 2012

Schedule Of Original Cost Of Utility Plant In Service

	As of December 31,
	2012		2011
	(In Thousands)
Production	$	2,708,826	$	2,684,443
Transmission		249,577		238,762
Distribution		1,249,445		1,219,070
General plant		174,686		170,740
Total utility plant in service	$	4,382,534	$	4,313,015

Indianapolis Power And Light Company [Member]

Schedule Of Original Cost Of Utility Plant In Service

	As of December 31,
	2012		2011
	(In Thousands)
Production	$	2,708,826	$	2,684,443
Transmission		249,577		238,762
Distribution		1,249,445		1,219,070
General plant		174,686		170,740
Total utility plant in service	$	4,382,534	$	4,313,015