Statement of Net Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Document period end date	Mar. 31, 2020
OPERATING REVENUES:
Natural gas transportation	$ 112,021	$ 109,883
Natural gas storage	3,346	4,242
Other	(21)	(61)
Total operating revenues	115,346	114,064
OPERATING EXPENSES:
General and administrative	12,699	12,720
Operation and maintenance	15,499	16,315
Depreciation and amortization	28,060	26,777
Regulatory debits	291	180
Taxes, other than income taxes	4,120	3,398
Regulatory charges resulting from tax rate changes	5,814	5,814
Other (income) expenses, net	(2)	131
Total operating expenses	66,481	65,335
OPERATING INCOME	48,865	48,729
OTHER (INCOME) AND OTHER EXPENSES:
Interest expense	7,451	7,184
Allowance for equity and borrowed funds used during construction (AFUDC)	(298)	(506)
Miscellaneous other (income) expenses, net	(1,092)	(936)
Total other (income) and other expenses	6,061	5,742
NET INCOME	$ 42,804	$ 42,987