Romaine Complex

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Image Credit: Hydro-Québec

Ranking for 2017: 6

Industry Sector: Energy

Specific Sector: Hydroelectric

Range: $5 billion +

Project Value: $6,500,000,000

Provincial: Hydro-Québec: $6.5 billion

Government Funds Involved: N/A

Funding Source: Public

Location: Havre-Saint-Pierre, Quebec

Estimated End Date of Substantial Completion: 2020


This 1,550-MW hydroelectric complex on the Romaine River involves four generating stations and reservoirs spaced over 150 kilometres along the Romaine River, located on the North Shore of the Gulf of St. Lawrence. Each station will have an associated rockfill dam, two generating units, and a spillway. One permanent access road 150 kilometres long will also be built as part of the project linking the generating station to the regional highway.

Hydro-Québec began its work in summer 2009. Work is continuing as scheduled, with work on Romaine-4 underway. An average of 975 workers is estimated for the project with a peak workforce of over 2,000 workers from 2012 to 2016. Romaine-2 was commissioned in 2014, followed by Romaine-1 in 2015 and Romaine-3 in 2017, and Romaine-4 is expected to be online in 2020.


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