Balance Sheet - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Taxes, other than income taxes	$ 10,905	$ 9,913
CURRENT ASSETS:
Cash	0	0
Receivables:
Trade	37,365	40,066
Affiliated companies	51	109
Advances to affiliate	247,869	201,265
Other	840	1,962
Materials and supplies	9,807	9,683
Exchange gas due from others	4,466	5,534
Prepayments and other	4,078	3,346
Total current assets	304,476	261,965
PROPERTY, PLANT AND EQUIPMENT, at cost	3,653,792	3,593,186
Less-Accumulated depreciation	1,761,229	1,673,315
Total property, plant and equipment, net	1,892,563	1,919,871
OTHER ASSETS:
Deferred charges	3,775	1,075
Regulatory assets	20,022	21,935
Right-of-use assets	10,692	18,101
Total other assets	34,489	41,111
Total assets	2,231,528	2,222,947
Payables:
Trade	16,157	15,635
Affiliated companies	4,110	9,172
Accrued liabilities:
Taxes, other than income taxes	10,905	9,913
Interest	5,505	5,505
Exchange gas due to others	4,557	4,468
Customer advances	539	4,109
Other	6,786	6,990
Total current liabilities	48,559	55,792
LONG-TERM DEBT	578,018	577,045
OTHER NONCURRENT LIABILITIES:
Asset retirement obligations	95,777	91,251
Regulatory liabilities	355,725	323,032
Lease liability	8,341	16,823
Other	4,713	5,695
Total other noncurrent liabilities	464,556	436,801
MEMBER'S EQUITY:
Member's capital	1,073,892	1,073,892
Retained earnings	66,503	79,417
Total member's equity	1,140,395	1,153,309
Total liabilities and member's equity	$ 2,231,528	$ 2,222,947