EXTON, PA — Bentley Systems, Incorporated (Nasdaq: BSY) and Enactus have announced the winners of the 2025 iTwin4Good Challenge, an international competition that brings university students together to apply digital twin technology to global sustainability challenges. Teams from the U.S., Germany, Canada, the UK and Ireland (competing jointly), and Brazil participated in this year’s competition.
The challenge tasked students with leveraging Bentley’s iTwin digital twin technology to design solutions addressing waste, renewable energy, and sustainable resource use.
The top honor went to SiTESalvage from the UK & Ireland, which developed a digital twin-powered platform and marketplace to repurpose demolition materials. With construction and demolition waste representing up to 40% of global solid waste, the team’s solution used iModels to provide visibility into upcoming projects, enabling stakeholders to plan reuse strategies that reduce landfill disposal and lower the sector’s environmental impact.
The Runner-Up, Basola from Germany, created a solar-powered pyrolysis reactor that converts plastic waste into usable fuel. By integrating iTwin technology and IoT sensors, the project combined digital monitoring with clean energy innovation, offering a sustainable pathway to reduce plastic pollution while generating renewable fuel.
The Second Runner-Up, EcoTwins from Canada, proposed reusing abandoned gold mine sites as locations for solar and wind farms. Their framework incorporated environmental, technical, and social indicators to identify renewable energy potential while balancing land-use concerns and community needs.
“At Bentley, we are inspired by how this year’s student teams applied digital twin technology and innovative thinking to real-world challenges,” said Chris Bradshaw, chief sustainability and education officer at Bentley Systems. “SiTESalvage, Basola, EcoTwins, and the other global student competitors demonstrated the transformative potential of combining creativity with digital solutions to drive more sustainable infrastructure outcomes for communities and the planet.”
“These projects highlight the ingenuity and passion of young leaders who are proving that business innovation can be a powerful force for good,” added George Tsiatis, president and CEO of Enactus Global & Resolution Project. “By tackling global issues like waste, energy, and sustainability with cutting-edge technologies, these students are showing what it means to create lasting impact.”
As the winning team, SiTESalvage will represent their project at the Enactus World Cup 2025 in Bangkok, showcasing their innovation on a global stage.
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