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Asset Retirement Obligations (Tables)
 12 Months Ended
Dec. 31, 2022
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Change in Asset Retirement Obligation

The following tables present the details of AROs which are included on the accompanying Consolidated Balance Sheets in Other deferred credits and other liabilities (in thousands):

 

 

 

December 31, 2021

 

 

Liabilities Incurred

 

 

Liabilities Settled

 

 

Accretion

 

 

Revisions to Prior Estimates

 

 

December 31, 2022

 

Electric Utilities

 

$

30,089

 

 

$

—

 

 

$

(3,003

)

 

$

1,353

 

 

$

(856

)

 

$

27,583

 

Gas Utilities (a)

 

 

45,455

 

 

 

—

 

 

 

(158

)

 

 

2,016

 

 

 

14,032

 

 

 

61,345

 

Total

 

$

75,544

 

 

$

—

 

 

$

(3,161

)

 

$

3,369

 

 

$

13,176

 

 

$

88,928

 

 

 

 

December 31, 2020

 

 

Liabilities Incurred

 

 

Liabilities Settled

 

 

Accretion

 

 

Revisions to Prior Estimates

 

 

December 31, 2021

 

Electric Utilities

 

$

29,157

 

 

$

—

 

 

$

(978

)

 

$

1,315

 

 

$

595

 

 

$

30,089

 

Gas Utilities (a)

 

 

42,274

 

 

 

—

 

 

 

(66

)

 

 

1,733

 

 

 

1,514

 

 

 

45,455

 

Total

 

$

71,431

 

 

$

—

 

 

$

(1,044

)

 

$

3,048

 

 

$

2,109

 

 

$

75,544

 

 

(a)
The Revisions to Prior Estimates were primarily driven by changes in estimates associated with natural gas wells and compressor stations.