Romaine-2 Hydroelectric Power Plant, Quebec, Canada

Romaine-2 is a hydroelectric power plant located in the Côte-Nord region of Quebec, Canada, with a capacity of 640 megawatts. Operated by Hydro-Québec, it is one of four generating stations on the Romaine River, a major hydroelectric development project. The plant plays a key role in Quebec's clean energy portfolio, supplying electricity to the provincial grid. The facility uses run-of-river technology typical of Hydro-Québec's projects, with minimal reservoir storage. It operates under Canada's federal and provincial environmental regulations, including the Canadian Environmental Assessment Act and Quebec's Water Resources Management Act. The plant's design incorporates fish passage measures and flow management to mitigate ecological impacts. As a large-scale hydroelectric facility, Romaine-2 supports Quebec's goal of reducing greenhouse gas emissions by displacing fossil fuel generation. Its output is integrated into the North American power grid via Hydro-Québec's transmission network, serving residential and industrial customers across the province.

The Romaine River region features boreal forest and rugged terrain, with sensitive aquatic ecosystems. Hydroelectric operations can alter river flow regimes and affect fish habitats. Romaine-2's design includes environmental mitigation measures such as minimum flow releases and fish ladders. The plant's carbon footprint is low compared to thermal alternatives, but reservoir creation may lead to methane emissions in some cases. Proximity to populated areas is limited, reducing local air quality concerns.