Schedule of equity investments and summarized financial information for equity investees


	Ownership
	Interest at		Equity Earnings ^(b)			Equity Investments
	December 31,		Year ended December 31			December 31
(millions of dollars)	2019		2019	2018	2017	2019	2018
Northern Border^(a)	50.00	%	69	68	67	422	497
Great Lakes	46.45	%	51	59	31	491	489
Iroquois	49.34	%	40	46	26	185	210
			160	173	124	1,098	1,196

(a)	Equity earnings from Northern Border is net of the 12-year amortization of a $10 million transaction fee paid to the operator of Northern Border at the time of the Partnership’s acquisition of an additional 20 percent in April 2006. The fee was fully amortized in May 2018.

(b)

Equity Earnings represents our share in investee’s earnings and does not include any impairment charge on the equity method investment recorded as a reduction of carrying value of these investments. Accordingly, no impairment charge was recorded by the Partnership on its equity investees for all the periods presented here.

EQUITY INVESTMENTS

Schedule of equity investments and summarized financial information for equity investees


December 31 (millions of dollars)	2019	2018
Assets
Current assets	72	75
Property, plant and equipment, net	685	689
	757	764
Liabilities and Partners’ Equity
Current liabilities	33	26
Long-term debt, net ^(a)	219	240
Other long-term liabilities	6	4
Partners’ equity	499	494
	757	764


Year ended December 31 (millions of dollars)	2019	2018	2017

Transmission revenues	238	246	181
Operating expenses	(79)	(68)	(66)
Depreciation	(32)	(32)	(29)
Financial charges and other	(16)	(18)	(20)
Net income	111	128	66

(a)	Includes current maturities of $21 million as of December 31, 2019 and December 31, 2018.