Bout de l lle Substation is a 735/315kV substation located in Bout-de-l lle, Montreal, Quebec, Canada. The project was commissioned in 2015.


The Bout de l lle Substation project is an upgrade substation being operated by Hydro-Quebec.

The designed voltage level of the project is 735/315kV, while the operating voltage level is 735/315kV. The step-in voltage of the substation is 735kV and the step-out voltage is 315kV. The substation capacity is 3,300MVA.

Bout de l lle Substation has received approval from Regie de l’energie, Quebec to undertake the works on the project.

Contractors involved

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By GlobalData

CIMA+ was appointed by Hydro-Quebec to undertake design and construction works of the Bout de l lle Substation.

About Hydro-Quebec

Hydro-Quebec is a state-owned energy utility that generates, transmits, and distributes electricity. The company produces power from the sources such as hydro, diesel, gas, nuclear, wind, solar, biomass and others. Hydro-Quebec markets system capacity and manages electricity flow across Quebec; provides customer services and promotes energy efficiency. It also designs, constructs, and renovates the generation and transmission facilities, primarily for Hydro-Quebec Production and Hydro-Quebec TransEnergie. The company also develops battery materials for electric vehicles and has presence in the electric powertrain market. The company has operations in the US and Canada.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.