Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
NET INCOME	$ 509,000	$ 175,000	$ 725,000	$ 580,000
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and other postretirement benefits	15,000	17,000	145,000	47,000
Unrealized gain (loss) on derivative hedges	2,000	6,000	13,000	16,000
Change in unrealized gain on available-for-sale securities	(26,000)	20,000	(7,000)	32,000
Other comprehensive income (loss)	(9,000)	43,000	151,000	95,000
Income taxes (benefits) on other comprehensive income (loss)	6,000	(14,000)	(48,000)	(30,000)
Other comprehensive income (loss), net of tax	(3,000)	29,000	103,000	65,000
COMPREHENSIVE INCOME (LOSS)	506,000	204,000	828,000	645,000
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO NONCONTROLLING INTEREST	(2,000)	(4,000)	(17,000)	(19,000)
COMPREHENSIVE INCOME (LOSS) AVAILABLE TO FIRSTENERGY CORP.	508,000	208,000	845,000	664,000
FES
NET INCOME	110,000	(37,000)	166,000	177,000
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and other postretirement benefits	1,000	1,000	4,000	(8,000)
Unrealized gain (loss) on derivative hedges	(1,000)	3,000	4,000	7,000
Change in unrealized gain on available-for-sale securities	(22,000)	18,000	(7,000)	29,000
Other comprehensive income (loss)	(22,000)	22,000	1,000	28,000
Income taxes (benefits) on other comprehensive income (loss)	(9,000)	8,000	(1,000)	10,000
Other comprehensive income (loss), net of tax	(13,000)	14,000	2,000	18,000
COMPREHENSIVE INCOME (LOSS)	97,000	(23,000)	168,000	195,000
OE
NET INCOME	50,000	46,000	119,000	119,000
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and other postretirement benefits	2,000	1,000	3,000	5,000
Change in unrealized gain on available-for-sale securities	(3,000)	2,000	(1,000)	3,000
Other comprehensive income (loss)	(1,000)	3,000	2,000	8,000
Income taxes (benefits) on other comprehensive income (loss)	1,000	(1,000)	2,000	(1,000)
Other comprehensive income (loss), net of tax	0	2,000	4,000	7,000
COMPREHENSIVE INCOME (LOSS)	50,000	48,000	123,000	126,000
CEI
NET INCOME	26,607	24,948	61,657	60,866
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and other postretirement benefits	2,969	3,228	8,911	(16,129)
Income taxes (benefits) on other comprehensive income (loss)	(858)	(976)	(1,256)	6,325
Other comprehensive income (loss), net of tax	2,111	2,252	7,655	(9,804)
COMPREHENSIVE INCOME (LOSS)	28,718	27,200	69,312	51,062
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO NONCONTROLLING INTEREST	309	366	984	1,151
COMPREHENSIVE INCOME (LOSS) AVAILABLE TO FIRSTENERGY CORP.	28,409	26,834	68,328	49,911
TE
NET INCOME	14,838	13,096	32,246	27,821
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and other postretirement benefits	577	713	1,744	1,723
Change in unrealized gain on available-for-sale securities	(1,328)	427	731	466
Other comprehensive income (loss)	(751)	1,140	2,475	2,189
Income taxes (benefits) on other comprehensive income (loss)	394	(330)	(291)	(565)
Other comprehensive income (loss), net of tax	(357)	810	2,184	1,624
COMPREHENSIVE INCOME (LOSS)	14,481	13,906	34,430	29,445
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO NONCONTROLLING INTEREST	1	(4)	5	1
COMPREHENSIVE INCOME (LOSS) AVAILABLE TO FIRSTENERGY CORP.	14,480	13,910	34,425	29,444
JCP&L
NET INCOME	83,000	83,000	144,000	162,000
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and other postretirement benefits	4,000	4,000	13,000	24,000
Other comprehensive income (loss)	4,000	4,000	13,000	24,000
Income taxes (benefits) on other comprehensive income (loss)	(2,000)	(1,000)	(5,000)	(9,000)
Other comprehensive income (loss), net of tax	2,000	3,000	8,000	15,000
COMPREHENSIVE INCOME (LOSS)	85,000	86,000	152,000	177,000
Met-Ed
NET INCOME	25,149	14,240	64,514	43,664
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and other postretirement benefits	2,163	2,161	6,353	14,032
Unrealized gain (loss) on derivative hedges	83	84	251	252
Other comprehensive income (loss)	2,246	2,245	6,604	14,284
Income taxes (benefits) on other comprehensive income (loss)	(841)	(723)	(2,473)	(5,624)
Other comprehensive income (loss), net of tax	1,405	1,522	4,131	8,660
COMPREHENSIVE INCOME (LOSS)	26,554	15,762	68,645	52,324
Penelec
NET INCOME	20,153	19,816	52,177	50,089
OTHER COMPREHENSIVE INCOME (LOSS):
Pension and other postretirement benefits	1,817	1,830	5,292	12,207
Unrealized gain (loss) on derivative hedges	15	16	48	48
Other comprehensive income (loss)	1,832	1,846	5,340	12,255
Income taxes (benefits) on other comprehensive income (loss)	(645)	(484)	(1,878)	(4,251)
Other comprehensive income (loss), net of tax	1,187	1,362	3,462	8,004
COMPREHENSIVE INCOME (LOSS)	$ 21,340	$ 21,178	$ 55,639	$ 58,093