Technology
Wave Energy Gains Momentum in Europe Amid Clean Energy Push
European countries with strong Atlantic swells, including Spain, France, and Ireland, are emerging as key players in harnessing wave energy, one of the world’s largest untapped renewable resources.
According to the International Energy Agency (IEA), ocean power generation needs to grow by 33% annually to help achieve global net-zero targets by 2050. The Intergovernmental Panel on Climate Change (IPCC) estimates wave energy could generate up to 29,500 terawatt-hours (TWh) per year—nearly ten times Europe’s annual electricity consumption.
“Wave and tidal energy have the potential to be significant, reliable, and sustainable power sources,” said José Miguel Rodrigues, a senior research scientist at SINTEF, one of Europe’s largest research institutes. Unlike wind and solar, tidal energy is governed by predictable gravitational cycles, providing a steady electricity supply that helps balance the grid.
A breakthrough in wave energy technology comes from Swedish company CorPower Ocean. Inspired by the pumping mechanism of the human heart, cardiologist Dr. Stig Lundbäck co-founded the company in 2009. Their ‘CorPack’ wave energy converter—a lightweight buoy—converts the up-and-down motion of waves into rotational energy, which is then transformed into electricity. According to CorPower Ocean, the device produces five times more electricity per tonne of equipment compared to previous technologies.
“CorPower has steadily progressed through development stages, securing investment and research grants, particularly from the EU,” Rodrigues noted. The company’s first full-scale wave energy converter is currently deployed off Portugal’s northern coast near Aguçadora, where it is supplying power to the national grid.
Other innovators are also making strides in the sector. Italian energy company ENI has developed the Inertial Sea Wave Energy Converter, while China’s Nanku floating generator and Finland’s AW-Energy’s WaveRoller, featuring large underwater panels, are further advancing the technology.
Despite its potential, wave and tidal energy still face challenges in achieving commercial viability at scale. “The key challenge is competitiveness,” Rodrigues explained. “Wave energy must demonstrate both consistent performance and the ability to withstand extreme ocean forces. Many prototypes have failed or underperformed, while offshore wind and solar have proven reliability and cost-effectiveness.”
European nations like Portugal, Spain, France, Ireland, and the UK have the most favorable conditions for large-scale wave energy projects due to their exposure to Atlantic swells. Norway, with its extensive coastline and remote island communities, also presents a strong market where wave energy could reduce grid costs and enhance energy independence.
Ultimately, the success of wave energy hinges on not just technological advancements but also economic viability, social acceptance, and supportive government policies. With continued innovation and investment, wave energy could soon play a vital role in Europe’s transition to a cleaner, more sustainable energy future.
Technology
Calls for European Supergrid Intensify Amid Energy Crises and Climate Pressures

As Europe battles growing climate extremes, energy instability, and geopolitical pressures, momentum is building around a decades-old concept: the European supergrid. The idea, once considered aspirational, is regaining urgency amid widespread power outages and rising reliance on renewable energy.
The European Union is set to install 89 gigawatts of new renewable energy capacity in 2025, a 10-gigawatt increase from the previous year, most of it driven by solar projects. This expansion is central to the EU’s 2030 climate targets, which aim to cut net greenhouse gas emissions by at least 55 percent from 1990 levels. Yet as renewable penetration grows, so too does the need for a more integrated, resilient power network.
Recent blackouts in Spain and Portugal highlighted vulnerabilities in the continent’s energy systems, prompting experts to revisit the supergrid concept. A pan-European high-voltage grid could allow electricity generated from wind in the north or solar in the south to flow seamlessly across borders, balancing supply and demand.
“A supergrid would allow green energy to flow across borders efficiently, balancing supply and demand; it could smooth out energy highs and lows, cut prices, boost resilience, and help Europe ditch fossil fuels faster,” said Michael Ashley Schulman, CIO at Running Point Capital Advisors.
France, Germany, the UK, and Italy are already developing “mini-supergrids” — multi-terminal high-voltage DC (HVDC) networks. Over time, these could be linked like a motorway system, gradually forming a broader supergrid. Offshore grids are also gaining traction as a cost- and carbon-efficient way to integrate large-scale wind energy.
But building a Europe-wide grid is no simple task. Regulatory fragmentation, complex permitting across countries, and local opposition have slowed progress. “Stitching together dozens of national grids isn’t just an engineering project; it’s a political minefield,” Schulman noted.
Beyond logistics, some warn that the supergrid must reflect more than economic efficiency. “A supergrid must serve ecological integrity, social equity, and energy democracy — not just corporate interests,” said Therese Guttmann of Vienna’s Institute for Ecological Economics.
Critics argue that decentralised solutions and local energy systems should develop in parallel to avoid replacing one form of centralisation with another. Others caution against cybersecurity risks and systemic fragility, warning that overconnectivity could make the entire continent vulnerable to disruptions.
The European Commission estimates that €584 billion in grid investment is needed by 2030 to meet energy transition targets. While the supergrid could play a major role, analysts agree it must be part of a broader mix of infrastructure improvements and decentralised technologies.
As the continent continues to navigate a fragile energy landscape, the supergrid remains both a tantalising vision — and a test of Europe’s ability to act collectively.
Technology
Renewable Energy in Heating and Cooling: Europe’s Uneven Progress
As Europe continues to focus on energy security, especially in light of Russia’s invasion of Ukraine, renewable energy has become a key component in diversifying energy sources. The share of renewables in Europe’s overall energy use has been steadily rising, but progress in the heating and cooling sector varies significantly across the continent.
In 2023, renewables accounted for 26.2% of the EU’s heating and cooling energy, closely mirroring the overall share of renewables in total energy consumption. However, this figure masks wide disparities between countries. While Iceland leads the way with an impressive 84% of its heating and cooling needs met by renewables, countries like Ireland report just 8%. Sweden and Estonia are also among the top performers with renewable heating shares of 67%.
Several factors explain these differences, according to Professor Pawel Oclon from Cracow University of Technology. Climate conditions, resource availability, and the state of energy infrastructure all play a role. Additionally, countries with established district heating systems, such as those in the Nordic and Baltic regions, have a smoother transition to decarbonized heating solutions. These systems allow for the easier replacement of large, centralized boilers with renewable alternatives like heat pumps or biomass boilers, rather than needing to replace individual boilers across many households.
The Nordic countries, excluding Norway, dominate Europe in renewable heating. Nations such as Sweden, Finland, and Denmark boast renewable heating shares well above the EU average. Norway, however, lags at 34%, though experts suggest that this figure underrepresents the country’s reliance on renewable electricity for heating, given its vast hydropower and wind resources.
In contrast, many Western European nations have made slower progress. Among the EU’s four largest economies, only France (30%) exceeded the EU average in renewable heating, while countries like Germany (17%), Spain (21%), and Italy (22%) fell behind. These nations have traditionally relied on individual gas boilers, which complicates the transition to renewable heating systems.
Austria stands out in Central Europe, with 39.4% of its heating needs met by renewables, largely due to its longstanding use of biomass in both individual and district heating systems.
Despite some progress, experts warn that the pace is insufficient to meet the EU’s 2030 target of 49% renewable energy in buildings. “The growth is notable, but it’s far too slow to reach the EU’s climate and energy goals,” said Rana Adib, executive director of REN21, a global network promoting renewable energy.
To accelerate progress, experts call for increased investment in research and development to improve technologies like heat pumps, solar thermal collectors, and energy storage systems. Additionally, stronger policy focus, including support for electric heat pumps, decarbonized district heating, and solar thermal systems, is critical.
As Europe continues to reduce its dependence on Russian gas, the transition to renewable heating remains an essential part of the EU’s energy strategy, helping to ensure a more secure and sustainable future.
Technology
Netflix Series Sparks Debate Over Social Media Ban for Children
The popular Netflix series Adolescence has ignited fresh discussions on the dangers of social media and smartphones for children, with some calling for a ban. However, experts caution that prohibiting social media use may not effectively address the root of the problem.
A recent survey by Amnesty International revealed that 73% of Gen Z social media users in the UK (aged 13-28) have encountered misogynistic content online, with half witnessing such material weekly. The findings coincide with heightened scrutiny on social media following Adolescence, which depicts the fictional murder of a schoolgirl by a 13-year-old boy influenced by social media.
The show’s co-creator, Jack Thorne, has urged the UK government to ban smartphones for children under 16, mirroring Australia’s recent move to restrict social media access for minors. Despite these calls, experts argue that banning social media is not a viable solution.
A study published in Lancet Regional Health Europe—the first of its kind—analyzed the impact of school-based smartphone bans across England. The research found no significant improvement in students’ mental well-being, sleep, or educational outcomes. While the study only covered school-time restrictions, it casts doubt on the effectiveness of outright prohibitions.
Drew Benvie, founder of the social media campaign group Raise, warns that delaying social media exposure until age 16 may be counterproductive. “What happens when a child is 15 years and 364 days old? They suddenly gain unrestricted access without prior education on its dangers,” Benvie told Euronews Next. He also noted that children often bypass bans using VPNs, as seen with attempts to block TikTok in the United States.
Misogynistic content remains a significant concern. According to the Amnesty International report, 57% of Gen Z men in the UK have consumed content from controversial figures like Elon Musk, former U.S. President Donald Trump, and Andrew Tate. Tate, a prominent online figure, has been criticized for spreading misogynistic views, yet his content continues to circulate on major platforms.
Social media companies have implemented measures to protect children. TikTok introduced a mindfulness tool for users under 16 that activates after 10 p.m., while Meta and other platforms have strengthened parental controls. However, experts argue these steps are insufficient, as algorithms continue to amplify harmful content. A study by University College London and the University of Kent found a fourfold increase in misogynistic content suggested by TikTok’s algorithm within five days of monitoring.
Experts suggest that rather than bans, comprehensive education on digital literacy, misogyny, and misinformation is crucial. Benvie stresses that parental involvement is also key. “Parents should use these apps themselves to understand them and engage in open discussions with their children about harmful content,” he said.
While education plays a critical role, Benvie insists that tech companies and regulators must take stronger action. “Banning social media outright is not a practical solution,” he said. “Instead, we need regulation, education, and enforcement to ensure a safer digital environment for children.”
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