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$142.5M P.E.I transmission cable project completed

Two 180-megawatt cables will replace decades-old cables connecting Prince Edward Island to mainland New Brunswick and increase the province's total electric power capacity to 560 megawatts

August 31, 2017  by Canadian Staff

BORDEN-CARLETON, P.E.I.—Prince Edward Island’s Northumberland Strait Submarine Transmission System project is now complete.

The project comprises two 180-megawatt underwater cables connecting Prince Edward Island to mainland New Brunswick, which are replacing decades-old 100-megawatt cables.

The new cables were officially plugged in during a ceremony held August 29.

The new transmission system is a $142.5-million investment cost-shared by the governments of Canada ($68.9 million) and P.E.I. ($73.6 million) and increases the province’s total electric power capacity to 560 megawatts.


The system spans 17 kilometres from Cape Tormentine, N.B., to Borden-Carleton, P.E.I., and supplies approximately 75 per cent of P.E.I.’s electricity.

This cable replacement represents the largest infrastructure project the province has undertaken since the construction of the Confederation Bridge.

“Providing reliable, affordable, and increasingly renewable energy is essential to helping our province stay competitive across the country and around the world. This new electricity connection will lower energy costs for residents and businesses, create jobs, and grow our economy so that we can continue to increase prosperity for all Islanders,” said Wade MacLauchlan, premier of Prince Edward Island

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