$5 billion

2012 Rank: 5

2011 Rank: 3

Sector: Hydroelectric

Location: James Bay Territory, Quebec

Owner: Hydro-Québec

Engineer: AECOM (detailed engineering—Rupert River Diversion and La Sarcelle Power Plant, engineering and mechanical consultant); SNC-Lavalin (complete engineering—Rupert diversion and Eastmain-1-A power plant, construction support)

Project/Construction Manager: Société d’énergie de la Baie James (project manager)

Other: AECOM (environmental consultant)

Supplier: Alstom (turbines: Eastmain 1); Voith Siemens (turbines: Eastmain 1A); Alstom (turbines: Sarcelle)

Funding: Public

Status: Under construction with expected completion in 2012.

Description:

Components of the superstructure will be prefabricated at the job site and transported to the powerhouse site for assembly. Also, part of construction is a new drinking water plant in Waskaganish, which will meet the community’s needs until 2025. Transmission is also being developed: Two 315-kilovolt (kV) lines will be built between Eastmain-1 and Eastmain-1-A, and between Sarcelle and Eastmain-1.