Prince Edward Island Cables

The Prince Edward Island Cables connect the electric grid on Prince Edward Island with the mainland in New Brunswick. The two cables have a length of 17 kilometres (11 mi) and a capacity of 180 MW each and stretch from Cape Tormentine, New Brunswick to Borden-Carleton. The cost was $142.5 million shared by federal ($68.9 million) and provincial ($73.6 million) governments.[1] The project was run by Maritime Electric.[2]

The cables replaced two oil-filled three-phase cables at 138 kV with a capacity of 100 MW each taken into operation in October 1977, providing the first connection to the mainland grid. They were ordered from the Swedish company Sieverts Kabelverk [sv] in 1974. In order to not disturb the fishing of scallops in Northumberland Strait, a special plough was constructed to place the cables deep enough in the bottom.[3]


  1. ^ "P.E.I.'s underwater electric cable project officially plugged in - New underwater cables supply about 75% of the Island's electricity". CBC News. Aug 29, 2017. Retrieved 1 August 2020.
  2. ^ Faller, Patrick (June 7, 2016). "Electric cable project work begins - This is certainly the largest project ever in our company's history". CBC News. Retrieved 1 August 2020.
  3. ^ Olle Matttisson; Lennart Högfeldt (1988). Mattisson, Olle; Lindén, Kåbe (eds.). 100 år - Sieverts kabelverk - Ericsson Cables. Ericsson Cables AB. pp. 86–87.