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PROPERTY, PLANT AND EQUIPMENT (Tables)
12 Months Ended
Dec. 31, 2019
PROPERTY, PLANT AND EQUIPMENT  
Schedule of property, plant and equipment

2019

2018

    

    

Accumulated

    

Net Book

    

    

Accumulated

    

Net Book

December 31 (millions of dollars)

Cost

Depreciation

Value

Cost

Depreciation

Value

Pipeline

 

1,907

(929)

 

978

 

1,901

(876)

 

1,025

Compression

 

584

(202)

 

382

 

550

(182)

 

368

Metering and other

 

180

(56)

 

124

 

176

(52)

 

124

Construction in progress

 

44

-

 

44

 

12

 

12

 

2,715

1,187

 

1,528

 

2,639

(1,110)

 

1,529