DEBT AND CREDIT FACILITIES (Tables)

6 Months Ended

Jun. 30, 2019

DEBT AND CREDIT FACILITIES

Schedule of debt and credit facilities

		Weighted Average				Weighted Average
		Interest Rate for the				Interest Rate for the
(unaudited)		Six Months Ended			December 31,	Year Ended
(millions of dollars)	June 30, 2019	June 30, 2019			2018	December 31, 2018
TC PipeLines, LP
Senior Credit Facility due 2021	—	3.61	%		40	3.14	%
2013 Term Loan Facility due 2022	450	3.73	%		500	3.23	%
4.65% Unsecured Senior Notes due 2021	350	4.65	%	(a)	350	4.65	%	(a)
4.375% Unsecured Senior Notes due 2025	350	4.375	%	(a)	350	4.375	%	(a)
3.90 % Unsecured Senior Notes due 2027	500	3.90	%	(a)	500	3.90	%	(a)
GTN
5.29% Unsecured Senior Notes due 2020	100	5.29	%	(a)	100	5.29	%	(a)
5.69% Unsecured Senior Notes due 2035	150	5.69	%	(a)	150	5.69	%	(a)
Unsecured Term Loan Facility due 2019	—	—			35	2.93	%
PNGTS
Revolving Credit Facility due 2023	29	3.74	%		19	3.55	%
Tuscarora
Unsecured Term Loan due 2020	24	3.62	%		24	3.10	%
North Baja
Unsecured Term Loan due 2021	50	3.56	%		50	3.54	%
	2,003				2,118
Less: unamortized debt issuance costs and debt discount	10				10
Less: current portion	101				36
	1,892				2,072

(a) Fixed interest rate

Schedule of principal repayments required on debt

(unaudited)
(millions of dollars)	Principal Payments
2019	1
2020	123
2021	400
2022	450
2023	29
Thereafter	1,000
	2,003