Balance Sheet Components

12 Months Ended

Dec. 31, 2022

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Components

NOTE 3. BALANCE SHEET COMPONENTS

Materials and Supplies, Fuel Stock and Stored Natural Gas

Inventories of materials and supplies, fuel stock and stored natural gas are recorded at average cost for regulated operations and the lower of cost or market for non-regulated operations and consisted of the following as of December 31 (dollars in thousands):

	2022		2021
Materials and supplies	$	75,766	$	62,003
Stored natural gas		26,788		17,604
Fuel stock		5,120		5,126
Total	$	107,674	$	84,733

Other Current Assets

Other current assets consisted of the following as of December 31 (dollars in thousands):

	2022		2021
Collateral posted for derivative instruments after netting with outstanding    derivative liabilities	$	66,142	$	21,477
Prepayments		30,201		24,387
Income taxes receivable		30,740		29,615
Derivative assets net of collateral		18,198		1,442
Other		5,886		3,833
Total	$	151,167	$	80,754

Other Property and Investments-Net and Other Non-Current Assets

Other property and investments-net and other non-current assets consisted of the following as of December 31 (dollars in thousands):

	2022		2021
Equity investments	$	147,809	$	91,057
Operating lease ROU assets		68,238		70,133
Finance lease ROU assets		40,056		43,697
Non-utility property		25,401		20,033
Notes receivable		17,954		14,949
Long-term prepaid license fees		17,936		8,465
Pension assets		13,382		—
Investment in affiliated trust		11,547		11,547
Deferred compensation assets		7,541		9,513
Other		15,221		11,149
Total	$	365,085	$	280,543

Other Current Liabilities

Other current liabilities consisted of the following as of December 31 (dollars in thousands):

	2022		2021
Accrued taxes other than income taxes	$	38,568	$	41,706
Employee paid time off accruals		29,279		27,741
Accrued interest		20,863		17,538
Pensions and other postretirement benefits		15,625		13,582
Derivative liabilities		26,910		28,801
Deferred wholesale revenue		8,481		884
Other		49,689		38,609
Total	$	189,415	$	168,861

Other Non-Current Liabilities and Deferred Credits

Other non-current liabilities and deferred credits consisted of the following as of December 31 (dollars in thousands):

	2022		2021
Operating lease liabilities	$	64,284	$	66,068
Finance lease liabilities		42,495		45,730
Deferred investment tax credits		28,784		29,313
Asset retirement obligations		15,783		17,142
Derivative liabilities		7,892		4,525
Other		16,617		15,347
Total	$	175,855	$	178,125