Consolidated Statements Of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
REVENUES	$ 1,481,643	$ 1,450,505	$ 1,349,588
OPERATING COSTS AND EXPENSES:
Fuel	340,466	331,701	281,542
Utilities Operating Expense, Purchased Power	133,674	164,542	189,847
Utilities Operating Expense, Maintenance and Operations	428,201	431,620	385,906
Depreciation and amortization	240,314	232,332	208,451
Taxes other than income taxes	42,236	53,952	44,644
Operating Expenses	1,184,891	1,214,147	1,110,390
Operating Income (Loss)	296,752	236,358	239,198
OTHER INCOME / (EXPENSE), NET:
Allowance for equity funds used during construction	3,486	8,477	25,798
Interest Expense	(121,771)	(95,509)	(101,130)
Loss on early extinguishment of debt	0	0	(8,875)
Other income / (expense), net	(10,546)	(1,852)	2,753
Total other income / (expense), net	(128,831)	(88,884)	(81,454)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	167,921	147,474	157,744
Less: income tax expense - net	35,528	13,449	48,951
NET INCOME	132,393	134,025	108,793
Less: dividends on preferred stock	3,213	3,213	3,213
NET INCOME APPLICABLE TO COMMON STOCK	129,180	130,812	105,580
Indianapolis Power And Light Company
REVENUES	1,481,643	1,450,505	1,349,588
OPERATING COSTS AND EXPENSES:
Fuel	340,466	331,701	281,542
Utilities Operating Expense, Purchased Power	133,674	164,542	189,847
Utilities Operating Expense, Maintenance and Operations	427,803	431,125	385,338
Depreciation and amortization	240,314	232,332	208,451
Taxes other than income taxes	42,229	53,941	44,628
Operating Expenses	1,184,486	1,213,641	1,109,806
Operating Income (Loss)	297,157	236,864	239,782
OTHER INCOME / (EXPENSE), NET:
Allowance for equity funds used during construction	3,486	8,477	25,798
Interest Expense	(89,014)	(64,472)	(65,340)
Other income / (expense), net	(10,922)	(1,916)	1,866
Total other income / (expense), net	(96,450)	(57,911)	(37,676)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	200,707	178,953	202,106
Less: income tax expense - net	43,430	21,590	65,591
NET INCOME	157,277	157,363	136,515
Less: dividends on preferred stock	3,213	3,213	3,213
NET INCOME APPLICABLE TO COMMON STOCK	154,064	154,150	$ 133,302
Electricity [Member]
REVENUES	1,481,643	1,450,505
Electricity [Member] | Indianapolis Power And Light Company
REVENUES	$ 1,481,643	$ 1,450,505