Judith Jasmin Substation is a 735/120/25kV substation located in Judith-Jasmin, Terrebonne, Alberta, Canada. The construction works on Judith Jasmin Substation began in 2018. The project was commissioned in 2019.


The Judith Jasmin Substation project is a new substation being operated by Hydro-Quebec.

The designed voltage level of the project is 735/120/25kV, while the operating voltage level is 735/120/25kV. The step-in voltage of the substation is 735kV and the step-out voltage is 25kV.

Judith Jasmin Substation has received approval from Alberta Utilities Commission to undertake the works on the project. Approximately $24m was financed by the authorities for the construction works of the project.

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.