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Consolidated Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS
FIRSTENERGY CORP.
CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS
FOR THE YEARS ENDED DECEMBER 31, 2019, 2018 AND 2017
Additions
DescriptionBeginning BalanceCharged to IncomeCharged to Other Accounts(1)Deductions(2)Ending Balance
(In thousands)
Year Ended December 31, 2019:
Accumulated provision for uncollectible accounts — customers$49,798 $81,107 $47,306 $132,031 $46,180 
— other$1,778 $26,654 $1,474 $8,509 $21,397 
— affiliated companies (4)
$919,851 $143,276 $— $— $1,063,127 
Valuation allowance on various DTAs (3)
$394,112 $46,526 $— $— $440,638 
Year Ended December 31, 2018:
Accumulated provision for uncollectible accounts — customers$48,937 $77,254 $60,307 $136,700 $49,798 
— other$990 $12,487 $— $11,699 $1,778 
— affiliated companies (4)
$— $— $— $919,851 $919,851 
Valuation allowance on state and local DTAs$312,135 $81,977 $— $— $394,112 
Year Ended December 31, 2017:
Accumulated provision for uncollectible accounts — customers$48,409 $73,486 $49,728 $122,686 $48,937 
— other$884 $6,461 $— $6,355 $990 
Valuation allowance on state and local DTAs$240,289 $71,846 $— $— $312,135 
(1)Represents recoveries and reinstatements of accounts previously written off for uncollectible accounts.
(2)Represents the write-off of accounts considered to be uncollectible.
(3)Starting in 2018, valuation allowances are now being recorded against federal and state DTA's related to disallowed business interest and certain employee remuneration, in addition to the state and local DTA's in the prior years presented.
(4)Amounts relate to the FES Debtors and are included in discontinued operations. See Note 3, "Discontinued Operations" for additional information.