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Electric vehicles could strain Quebec’s power grid

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Electric vehicles could strain Quebec’s power grid


Credit: Unsplash/CC0 Public Domain

Electrification of vehicles is necessary to reduce greenhouse gas emissions, but in Quebec the increasing weight of the battery-powered vehicles could cause electricity demand to rise well beyond projections.

That’s the conclusion of an analysis by Université de Montréal researchers Frédérik Lavictoire and Simon Brassard, supervised by Normand Mousseau, a professor in the Department of Physics.

Their results are published in the journal Sustainable Futures.

Cars are getting heavier

Between 2011 and 2021, the average of vehicles sold in Quebec increased by 11 kg per year for over 10 years, from 1,566 kg to nearly 1,700 kg.

New vehicles weigh an average of 135 kg more than the existing fleet average, while vehicles that are being retired are 104 kg lighter. A vehicle purchased today weighs an average of 110 kg more than the one it replaces.

With 60,000 vehicles being added to Quebec’s fleet each year, the cost of maintaining the road network—and the —is likely to be steep, the UdeM researchers say.

Small SUVs, which accounted for 12.6% of the fleet in 2011, have surged in popularity to reach 28.3% in 2021. They have been the leading category since 2020.

Meanwhile, compact vehicles declined from 28.5% to 25.4% of vehicles on the road, and sedans and minivans fell from 19.7% to 14.6%.

With their heavy batteries, EVs in Quebec now weigh about 23% more than gas-powered vehicles, or an extra 344 kg.

Heavier vehicles also take a toll in terms of premature wear and tear on the roads and more serious injuries in accidents. And as they continue to get heavier, they also put a strain on Quebec’s power grid.

Between 2021 and 2040, the UdeM researchers project that the amount of electricity used by EVs in the province will increase from 0.24 terawatt hours (TWh) to 29.03 TWh.

Harsh winters increase demand

EVs accounted for about 13.6% of Quebec’s total electricity demand in 2019. By 2030, when the government aims to have two million EVs on the roads, EV consumption would reach 7.68 TWh.

That’s roughly consistent with Hydro-Québec’s projection of 7.8 TWh for 2032.

However, Mousseau is concerned about the grid’s capacity in the province’s harsh winter months, when cold spells can be protracted and extreme.

EVs use more power in winter than in summer because reduce battery efficiency, increase tire friction and increase air density.

In January, when the average temperature is -10.3°C, monthly EV consumption will rise to 3.1 TWh once Quebec’s vehicle fleet is fully electrified, compared with 1.9 TWh in August, the UdeM researchers project.

At -20°C, the required capacity is almost double that on a summer day.

“In winter, we need to control electricity usage because adding capacity to meet peak demand costs $150 to $200 per kilowatt,” Mousseau said.

“With a fully electrified fleet in 2040, EVs would require an average additional capacity of 5,261 megawatts when the temperature is -20°C. That’s 12.1% of the total peak demand recorded in 2022.

“If the increasing weight of the EV fleet adds another gigawatt to peak demand, it will cost hundreds of millions of dollars more to generate that electricity.”

Three possible scenarios

The researchers modeled three scenarios for the period 2021-2040.

In the first, they allow the trend toward heavier vehicles to continue without intervention. In this case, the average mass would increase to 2,114 kg by 2040. The fleet’s annual electricity consumption would increase to 29.03 TWh and the additional required capacity on a cold winter’s day would be 5,261 megawatts.

In the second scenario, the increase in weight is limited to the weight of the EV battery: on average in Quebec, about 344 kg.

In the third scenario, the average vehicle weight is frozen at the 2021 level of 1,566 kg. This would reduce EV by 17.6% in 2040, from 29.03 to 23.91 TWh. The required capacity on a -20°C day would drop from 5,261 to 4,332 megawatts.

The saving of almost 6 TWh is equivalent to three percent of Hydro-Québec’s current total production. It would avoid the need to build costly infrastructure that would be needed only for a few hours a year, during winter peaks.

In scenario 1, by 2035, EVs will require additional capacity of 3,232 megawatts when the temperature is -20°C. That is 40.4% of all the additional power projected in Hydro-Québec’s action plan by 2035.

“Electrification of the vehicle fleet will entail system costs that will have to be borne,” said Mousseau. “We believe that reducing the average weight of vehicles is one solution that should be explored.”

Regulations could make batteries lighter

How can the weight of EVs be reduced? The researchers suggest several possibilities.

One is to reduce the weight of the battery, a significant technological challenge but one they believe is achievable with technological progress.

“Between 2017-2018 and 2021-2022, batteries were improved to increase range, but unfortunately, this improvement also increased the weight of the vehicles,” Mousseau said.

The simplest solution would be to amend the existing “Act to increase the number of zero-emission motor vehicles in Québec,” he suggested.

“Manufacturers could be required to comply with a specific average weight, or to offset the additional weight by paying a fine or tax.”

This approach, which has proven effective in stimulating the production of EVs, could also be used to control their weight, Mousseau said.

“For example, Tesla has benefited from the credit transfers allowed by the Act, demonstrating that it is possible to have manufacturers, not consumers, bear the cost of design choices.”

‘Strong global pressure’

Although the Quebec government recently backtracked on banning the sale of gasoline-powered vehicles by 2035, Mousseau is confident about the future of electrification.

“There is strong global pressure: the electrification of road vehicles will happen,” he said.

By postponing electrification, “Quebec is temporarily burying its head in the sand, but it cannot indefinitely block access to more efficient and less expensive electric vehicles, such as those made in China.”

Mousseau also pointed to an important economic issue: “For 20 years, we have watched other countries develop green technologies. What will we be producing 20 years from now, if we keep letting others take the lead? If we don’t put our foot on the accelerator, there’ll be significant economic risks.”

More information:
Frédérik Lavictoire et al, Impact of the car fleet evolution on electricity demand in Québec, Sustainable Futures (2025). DOI: 10.1016/j.sftr.2025.101296

Citation:
Electric vehicles could strain Quebec’s power grid (2025, November 3)
retrieved 3 November 2025
from https://techxplore.com/news/2025-11-electric-vehicles-strain-quebec-power.html

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Europe’s Online Age Verification App Is Here

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Europe’s Online Age Verification App Is Here


The European online age verification app is ready.

The app works with passports or ID cards, is built to be “completely anonymous” for the people who use it, works on any device (smartphones, tablets, and PCs), and is open source. “Best of all, online platforms can easily rely on our age verification app, so there are no more excuses,” said European Commission president Ursula von der Leyen at a press conference on Wednesday. “Europe offers a free and easy-to-use solution that can protect our children from harmful and illegal content.”

High Expectations

“It is our duty to protect our children in the online world just as we do in the offline world. And to do that effectively, we need a harmonized European approach,” von der Leyen said at Wednesday’s press conference. “And one of the central issues is the question, how can we ensure a technical solution for age verification that is valid throughout Europe? Today, I can announce that we have the answer.”

This answer takes the form of an open source app that any private company can repurpose, as long as it complies with European privacy standards and offers the same technical solution throughout the European Union. The user downloads the app, agrees to the terms and conditions, sets up a pin or biometric access, and proves their age through an electronic identification system, or by showing a passport or ID card (in which case biometric verification is also provided). The app does not store your name, date of birth, ID number, or any other personal information, according to the European Commission—only the fact that you are over a certain age.

After that, when a person using the app wants to access a social network (minimum age: 13), pornographic site (minimum age: 18), or any other age-protected content, if they are logged in from a computer, they need only scan the QR code shown on the site they want to visit. If, on the other hand, the person logs in from a smartphone, the app sends the proof of age directly. The platform does not access the document with which the user proved it in the first place.

Adoption Event

The need to introduce a common system for the entire European Union has been discussed for some time, and according to commission technicians, the technical work is now complete. Of course, it will still be possible to circumvent the system—all it takes is for an adult to lend their phone to a younger friend—but the technological architecture exists, and it will be up to EU member states to decide whether to integrate it into national digital wallets or develop independent apps.

“No More Excuses”

For the app to really be effective, platforms must be obligated to verify the age of their users—that’s where things get tricky. The Digital Services Act, which went into effect in 2024, requires “very large online platforms”—those with more than 45 million monthly users in the European Union—to take concrete steps to mitigate systemic risks related to child protection, with heavy penalties for noncompliance.

“And that’s why Europe has the DSA: to call online platforms to their responsibilities. Because Europe will not tolerate platforms making money at the expense of our children,” European Commission executive vice president Henna Virkkunen told a press conference. She added that after an investigation into TikTok, the European institutions plan to take similar action against Facebook, Instagram, and Snapchat, as well as four porn sites. “Since the platforms do not have adequate age verification tools, we developed the solution ourselves,” he concluded. In short, as von der Leyen also remarked, “there are no more excuses.”

Bare Minimum

So far, this is the European framework that sets the general rules. On this basis, member states can consider more restrictive measures. Italy was among the first to discuss how to regulate the use of social media by minors but has so far not landed on anything concrete. Elsewhere in the EU, France’s Emmanuel Macron has been a trailblazer on the issue, pushing France to discuss a rule to ban social networks for minors under the age of 15 entirely. So far, this measure has received broad political support—but the outcome depends largely on compatibility with the Digital Services Act and the availability of effective age verification systems like the app the European Commission just released.

This article originally appeared on WIRED Italia and has been translated.



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Anthropic Plots Major London Expansion

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Anthropic Plots Major London Expansion


Anthropic is moving into a new London office as it seeks to expand its research and commercial footprint in Europe, setting up a scrap between the leading AI labs for talent emerging from British universities.

The company, which opened its first London office in 2023, is moving to the same neighborhood as Google DeepMind, OpenAI, Meta, Wayve, Isomorphic Labs, Synthesia, and various AI research institutions.

Anthropic’s new, 158,000-square-foot office footprint will have space enough for 800 people—four times its current head count—giving it room to potentially outscale OpenAI, which itself recently announced an expansion in London.

“Europe’s largest businesses and fastest-growing startups are choosing Claude, and we’re scaling to match,” says Pip White, head of EMEA North at Anthropic. “The UK combines ambitious enterprises and institutions that understand what’s at stake with AI safety with an exceptional pool of AI talent—we want to be where all of that comes together.

UK government officials had reportedly attempted to coax Anthropic into expanding its presence in London after the company recently fell out with the US administration. Anthropic refused to allow its models to be used in mass surveillance and autonomous weapon systems, leading to an ongoing legal battle between the AI lab and the Pentagon.

As part of the expansion, Anthropic says it will deepen its work with the UK’s AI Security Institute, a government body that this week published a risk evaluation of its latest model, Claude Mythos Preview. According to Politico, the UK government is one of few across Europe to have been granted access to the model, which Anthropic has released to only select parties, citing concerns over the potential for its abuse by cybercriminals.

The increasing concentration of AI companies in the same London district is an important step in creating a pathway for research to translate into AI products, says Geraint Rees, vice-provost at University College London, whose campus is around the corner from Anthropic’s new office.

“This cluster didn’t emerge from a planning document. It grew because serious researchers and companies understand that proximity isn’t a nice-to-have,” he said last month, speaking at an event attended by WIRED. “That’s how the innovation system actually works. It’s not a clean, linear transfer from lab to market. It’s messier, richer, more human than that.”



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CYBERUK ’26: UK lagging on legal protections for cyber pros | Computer Weekly

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CYBERUK ’26: UK lagging on legal protections for cyber pros | Computer Weekly


The increasingly long-in-the-tooth Computer Misuse Act (CMA) of 1990 remains an albatross around the neck of British cyber security professionals, and even though the UK government committed last December to reforming it, every minute of delay is holding back the nation’s security innovation, resilience, talent, and ability to defend itself against cyber attacks, campaigners have warned.

Ahead of the National Cyber Security Centre’s (NCSC’s) upcoming CYBERUK conference in Glasgow, the CyberUp Campaign for reform of the Computer Misuse Act (CMA) has published a new report, titled Protections for Cyber Researchers: How the UK is being left behind to maintain pressure on Westminster.

The CMA defines the vague offence of unauthorised access to a computer, which the campaigners want changed because it was written 35 years ago and fails to account for the development of the cyber security profession, and the fact that in the course of their day-to-day work, cyber pros may sometimes need to hack into other systems.

“Cyber attacks are growing in scale, sophistication and severity, with a devastating impact on infrastructure, businesses and charities,” said a CyberUp campaign spokesperson.

“While other countries have moved to refresh their cyber laws in response, the UK’s Computer Misuse Act hasn’t been updated since before the modern internet – hardly the best platform for accelerating our defences into the next decade.”

The group’s report highlights how other nations, Australia, Belgium, France, Germany, Hong Kong, Malta, Portugal, and the USA, have already secured legal protections for cyber professionals that enable them to go about their business without fear of prosecution.

In Portugal – Britain’s oldest formal ally under a treaty dating back to the 14th Century – the government last year published Decreto-Lei 125/2025, implementing the European Union (EU) Network and Information Systems (NIS2) Directive and revising the country’s cyber crime law to ensure that ethical hackers and professional cyber security practitioners working in good faith are both recognised and protected.

Portgual’s laws now accept some elements of cyber work may have to happen without explicit permission or involve unanticipated technical overreach that has a legitimate purpose.

As such, Portugal says that security work undertaken in good faith won’t be punished as long as the researcher fulfills a set of conditions. For example, they can act only to find vulnerabilities and these must be reported immediately, they must avoid taking harmful actions, like conducting DDoS attacks or installing malware, and they must respect the integrity of any data they may find or access and delete it within 10 days once the issue is addressed.

CyberUp said Portugal’s example demonstrates how cyber crime laws can be modernised to legally protect research carried out in the public interest.

“Portugal has demonstrated how to modernise their equivalent law through cyber legislation. We urge the government to follow this example and act swiftly through the Cyber Security and Resilience Bill to achieve meaningful reform, or risk lagging even further behind our peers,” the spokesperson said.

Defence Framework

Working with cyber security experts and legal advisors, the CyberUp campaign has developed its own Defence Framework that would allow cyber professionals to present a statutory defence in court as long as they adhere to the Framework’s four core principles.

  • Harm Vs. Benefit: The benefits of the activity must outweigh the potential harms;
  • Proportionality: Cyber pros must take all reasonable steps to minimise the risks of their activity;
  • Intent: They must act honestly, sincerely, and clearly direct themselves towards improving security;
  • Competence: Their qualifications and professional memberships should demonstrate they are suitably equipped to perform cyber security work.

The campaigners say this framework will bring clarity and confidence to the security sector, enabling cyber pros to run essential research tasks without fear of criminal prosecution, helping organisations operate to recognised legal standards, and enabling a more open and collaborative relationship between the cyber sector and the UK government.



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