Balance Sheet (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current Assets:
Cash	$ 0	$ 0
Receivables:
Other	249	606
Materials and supplies, at average cost	8,788	8,925
Exchange gas due from others	3,623	35,851
Regulatory assets	1,991	13,565
Prepayments and other	3,033	3,627
Total current assets	218,687	414,790
Property, plant and equipment	3,937,178	3,836,254
Less-Accumulated depreciation and amortization	2,005,965	1,941,806
Total property, plant and equipment, net	1,931,213	1,894,448
Other Assets:
Regulatory assets	31,175	15,951
Right-of-use assets	8,950	9,621
Deferred charges and other long-term assets	18,396	15,167
Total other assets	58,521	40,739
Total assets	2,208,421	2,349,977
Payables:
Trade	49,970	25,761
Accrued liabilities:
Exchange gas due to others	5,032	42,451
Regulatory liabilities	21,819	145,243
Taxes — other than income taxes	8,976	10,853
Interest	12,019	5,505
Customer advances	2,800	4,415
Other	8,640	4,011
Total current liabilities	118,339	250,354
Long-Term Debt	580,900	580,083
Other Long-Term Liabilities:
Regulatory liabilities	257,204	271,706
Asset retirement obligations	134,534	129,306
Lease liability	7,304	7,857
Other	1,604	2,394
Total other long-term liabilities	400,646	411,263
Contingent Liabilities and Commitments (Note 4)
Member’s Equity:
Member’s capital	1,073,892	1,073,892
Retained earnings	34,644	34,385
Total member’s equity	1,108,536	1,108,277
Total liabilities and member’s equity	2,208,421	2,349,977
Related Party [Member]
Receivables:
Advances to affiliate	164,314	310,641
Trade	1,549	1,829
Affiliates	1,549	1,829
Payables:
Affiliates	9,083	12,115
Nonrelated Party [Member]
Receivables:
Trade	35,140	39,746
Affiliates	$ 35,140	$ 39,746