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Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

Schedule II

MGE Energy, Inc. and Madison Gas and Electric Company

Valuation and Qualifying Accounts

 

 

 

 

 

 

Additions

 

 

 

 

 

 

 

 

 

Balance at
Beginning of
Period

 

 

Charged to
Costs and
Expenses(b)

 

 

Charged to
Other
Accounts

 

 

Net
Accounts
Written Off(a)

 

 

Balance at
End of
Period

 

Year ended 2020:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Accumulated provision for uncollectibles

 

$

3,258,269

 

 

 

5,164,943

 

 

 

26,400

 

 

 

(1,373,047

)

 

$

7,076,565

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Year ended 2021:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Accumulated provision for uncollectibles

 

$

7,076,565

 

 

 

3,402,468

 

 

 

32,400

 

 

 

(2,207,732

)

 

$

8,303,701

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Year ended 2022:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Accumulated provision for uncollectibles

 

$

8,303,701

 

 

 

3,814,311

 

 

 

40,800

 

 

 

(3,785,972

)

 

$

8,372,840

 

 

(a)
Net of recovery of amounts previously written off.
(b)
For the years ended December 31, 2022, 2021, and 2020, MGE deferred $2.1 million, $1.8 million, and $3.8 million, respectively, of bad debt expense as a regulatory asset. See Footnote 8 of the Notes to Consolidated Financial Statements in this Report for further information.