In the heart of London, a groundbreaking study led by Xinyu Zhang at the Centre for Civil and Building Services Engineering (CCiBSE), School of the Built Environment and Architecture, London South Bank University, is reshaping the future of commercial buildings. The research, published in ‘Buildings’ journal, focuses on The Clover, a mid-rise commercial building designed to achieve net-zero carbon emissions. The study uses IES-VE software to create a digital twin of the building, predicting its performance and energy efficiency through dynamic simulations. This innovative approach is not just a theoretical exercise; it’s a blueprint for the future of sustainable construction.
The study highlights the potential of integrating renewable energy systems into commercial buildings. By using air-source heat pumps and advanced perovskite–silicon tandem solar PV panels, along with wind turbines, the building can generate 1243.96 MWh and 41.18 MWh of electricity annually from solar and wind energy respectively. This on-site generation not only meets the building’s energy needs but also results in a net electricity surplus of 191.64 MWh, significantly reducing reliance on fossil fuels and contributing to grid stability.
One of the most compelling findings is the dramatic reduction in CO2 emissions. By replacing traditional boiler and chiller systems with heat pumps, the building achieves a 53% reduction in CO2 emissions. When integrated with PV panels and wind turbines, the emissions offset by renewable energy sources total approximately 300 tonnes, effectively achieving net-zero carbon emissions. “This study demonstrates that with the right design and technology, commercial buildings can be both energy-efficient and sustainable,” says Zhang.
The research also underscores the importance of passive design strategies. By incorporating daylight sensors and other passive techniques, the building’s annual electricity demand is reduced by 14.57%. This holistic approach not only lowers energy consumption but also enhances occupant comfort and productivity.
Xinyu Zhang’s work provides a practical framework for architects and building services engineers aiming to design green, energy-efficient buildings. The findings offer actionable insights into integrating multiple renewable energy systems, addressing the unique energy demands and structural constraints of mid-rise commercial buildings. This study is a significant step forward in the quest for net-zero carbon emissions, offering a scalable and replicable model for the construction industry. As the world moves towards more sustainable practices, this research could pave the way for widespread adoption of renewable energy systems in commercial buildings, transforming the energy landscape and setting new standards for green construction.
