Quebec is close to completing what will likely be the last big hydroelectric dam it ever builds, bringing an end to a decades-long era when hydro development was often seen as synonymous with the province’s growing economic power and cultural pride.
Quebec’s hydro dams have long provided its residents cheap electricity and bragging rights in the race to reduce global carbon emissions, with Premier François Legault suggesting just 2½ years ago the province could become the “green battery of North America,” The Canadian Press reports.
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But as the premier signs lucrative export deals with states such as Massachusetts and New York, the province’s utility has acknowledged that the La Romaine-4 hydroelectric project—scheduled to enter service next year—could be the last major dam project for the foreseeable future.
Hydro-Québec spokesperson Francis Labbé confirmed the utility doesn’t have other hydro projects on the horizon. He said such projects take at least a decade to plan and build, and they don’t come cheap—as Romaine’s C$7.3-billion price tag attests.
In the meantime, prices for other kinds of renewable energy—such as wind power—have fallen, making them more attractive options, CP writes.
“It may come to a point where we come to the conclusion that we need another hydroelectric project. But right now, considering the delays, considering the cost, considering that we have other options, we will not go in this direction,” Labbé said in a recent interview.
Quebec started building the four-part La Romaine project—described at the time as the biggest construction project in Canada—in 2009. The commissioning of La Romaine-4, the last of the dams, was pushed back to 2022 from 2020 after a series of delays, including the pandemic and other health and safety concerns.
Labbé said the dam and reservoir are complete and work is under way on the power station. When it is commissioned next fall, it should supply about eight terawatt-hours of electricity per year, enough to power about 450,000 homes.
While Labbé says the utility has enough power in reserve to serve the province and its export contracts until 2025 or 2026, it will be putting out a call for tenders for projects to provide 300 megawatts of wind power and 480 megawatts of renewables, which could include wind and solar.
That’s in addition to the Apuiat wind energy project developed with the Innu of the Côte-Nord region, which should provide some 200 megawatts when it’s commissioned in 2024.
François Bouffard, an associate professor of electrical engineering at McGill University, says the megaprojects that propelled the provincial utility to early success are “a development model of the past.”
“If you look at the projects from the 1960s to the end of 1990s, if they were to redo this, it would never happen the way it did,” he told CP. “The environmental assessments would be a lot more robust, more complicated. We wouldn’t be able to trample Aboriginal rights like they have.”
Bouffard says the early dams relied on flooding large tracts of land, without regard for the Indigenous inhabitants of the area and without bothering to remove the vegetation underneath, which led to mercury contamination in fish.
While he said the La Romaine project has corrected some of those early mistakes by logging the area before the reservoir was created, he noted that Hydro-Québec still encounters opposition when it tries to build transmission lines through wilderness—something that came up when Maine residents voted against allowing lines to pass through their state in a referendum this fall.
“Nothing is really carbon-free,” he said.
In the absence of future hydropower projects, Hydro-Québec has been moving into other domains. In addition to wind partnerships, the company recently inaugurated its first two solar energy plants. It has also formed a subsidiary to help customers improve their energy efficiency, and it is working on large-scale batteries that can store surplus energy.
Experts say that far from becoming redundant, Quebec’s massive hydro dams will become more important than ever as the province shifts to alternative sources of power.
Louis Beaumier, executive director of the Trottier Energy Institute at Polytechnique Montréal, agreed that building more “titanic” dam projects doesn’t make sense, largely due to the cost.
But he said the main advantage of hydropower is that, unlike wind or solar, it provides a consistent stream of power that can be increased or decreased fairly easily to meet fluctuating demand. The power stored in the province’s reservoirs amounts to “the biggest battery you can every build,” he said, and one that puts Quebec in a uniquely advantageous position of being able to move forward with new technologies while always having hydro as a backup.
Bouffard and Beaumier agreed that the Crown corporation will have to adjust to yet more changes in the coming years. With the Quebec government as its only shareholder, Hydro-Québec’s mandate is to bring in revenue for the province, meet provincial electricity needs, and keep rates low—all at once.
Increasingly, the province has looked to expand sales to the United States in order to grow. Legault has made no secret of his desire to see the province expand exports to the northeastern United States, even as the province was dealt a blow when Maine voters rejected a plan to run transmission lines through their state to Massachusetts. (Legault has said he remains confident the project will go ahead).
Bouffard believes the future of the company may lie outside North America altogether, as it looks to sell its valuable expertise to developing countries. Beaumier, for his part, said the company should also play a role domestically as the federal government moves toward its goal of reaching net-zero emissions by 2050. He said Hydro-Québec could be doing more to help meet those goals.
Hydro-Québec’s Labbé underplayed the extent of the culture shift that is under way at the utility. While La Romaine is the last major project planned, he told CP, the company still has plenty of work to do managing and maintaining its 62 existing power stations, including plans already under way to make several of them more efficient.
“This is far from the end of hydroelectricity in Quebec,” Labbé said.
This report by The Canadian Press was first published December 21, 2021.
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