The scale of Hydro-Quebec’s portfolio of dams and reservoirs is staggering.
The projects have remade the social and natural landscape of northern Canada.
The impoundments, many of which lie in vast boreal forests more than 500 miles north of Montreal, dwarf Adirondack lakes. Quebec’s largest reservoir, Caniapiscau Reservoir, covers 1,600 square miles, almost four times the size of Lake Champlain.
Before the Caniapiscau River was dammed in the early 1980s, the original Caniapiscau Lake covered 180 square miles.
In the northern Quebec watershed of the La Grande River, Hydro-Quebec has 11 dams and eight impoundments, which cover a combined area more than twice the total area of protected wilderness in the Adirondacks.
In 2005, while creating the Eastmain-1 Reservoir on the La Grande, Hydro-Quebec flooded 113 square miles of…