Balance Sheet (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current Assets:
Cash	$ 0	$ 0
Receivables:
Advances to affiliate	1,763,253	1,813,480
Trade	242,451	264,959
Affiliates	5,707	8,205
Other	3,328	2,795
Transportation and exchange gas receivables	5,072	9,256
Inventories:
Materials and supplies, at average cost	45,201	43,738
Gas available for customer nomination, at average cost	47,288	48,289
Gas in storage, at original cost	781	1,079
Regulatory assets	113,387	123,903
Other	37,516	32,838
Total current assets	2,263,984	2,348,542
Property, plant and equipment	18,364,333	18,239,745
Less-Accumulated depreciation and amortization	5,655,576	5,552,377
Total property, plant and equipment, net	12,708,757	12,687,368
Other Assets:
Regulatory assets	283,231	298,793
Right-of-use assets	57,958	59,235
Other	273,395	265,651
Total other assets	614,584	623,679
Total assets	15,587,325	15,659,589
Payables:
Trade	144,680	184,906
Affiliates	48,927	54,303
Cash overdrafts	8,472	13,589
Transportation and exchange gas payables	5,505	5,140
Accrued liabilities:
Interest	50,283	76,255
Asset retirement obligations	33,482	27,484
Regulatory liabilities	56,269	57,047
Property and other taxes	26,624	30,526
Customer deposits	31,193	28,498
Customer advances	18,799	11,535
Other	26,641	20,462
Long-term debt due within one year	29,183	28,532
Total current liabilities	480,058	538,277
Long-Term Debt	5,248,807	5,251,799
Other Long-Term Liabilities:
Regulatory liabilities	963,947	963,969
Asset retirement obligations	529,922	535,479
Contract liabilities	181,260	183,898
Lease liability	61,276	63,074
Other	12,870	12,699
Total other long-term liabilities	1,749,275	1,759,119
Contingent Liabilities and Commitments (Note 3)
Member’s Equity:
Member’s capital	5,088,499	5,088,499
Retained earnings	3,020,686	3,021,895
Total member’s equity	8,109,185	8,110,394
Total liabilities and member’s equity	$ 15,587,325	$ 15,659,589