Asia’s green transition: Renewables in the built environment - JLL
Published December 14, 2025
Asia’s Green Transition: Renewables in the Built Environment
The transition to renewable energy is gaining momentum across Asia, particularly within the built environment. As urbanization continues to rise, the demand for sustainable solutions in construction and infrastructure has never been more pressing. This article explores the role of renewable energy in the built environment, highlighting key trends, challenges, and opportunities that are shaping the future of sustainable development in the region.
Current Landscape of Renewable Energy in Asia
Asia is home to some of the world's fastest-growing economies, which has led to an increased focus on sustainable development. The built environment, which includes residential, commercial, and industrial buildings, is a significant contributor to greenhouse gas emissions. According to the International Energy Agency (IEA), buildings account for approximately 30% of global energy consumption and nearly 28% of greenhouse gas emissions.
In response to these challenges, many Asian countries are implementing policies aimed at promoting renewable energy sources such as solar, wind, and biomass. The region is witnessing a surge in investments in renewable energy projects, driven by both government initiatives and private sector engagement. For instance, in 2021, Asia accounted for nearly 50% of global renewable energy investments, with China leading the way as the largest investor in renewable energy technologies.
Key Drivers of Change
Several factors are driving the adoption of renewable energy in the built environment across Asia:
- Government Policies: Many Asian governments have established ambitious renewable energy targets as part of their commitments to international climate agreements. For example, India aims to achieve 450 GW of renewable energy capacity by 2030, while Japan has set a target of 36-38% of its electricity generation coming from renewable sources by 2030.
- Technological Advancements: Innovations in renewable energy technologies, such as solar photovoltaic (PV) systems and energy-efficient building materials, are making it easier and more cost-effective to integrate renewables into the built environment. The cost of solar PV has dropped significantly over the past decade, making it an attractive option for building owners.
- Corporate Sustainability Goals: Many companies are adopting sustainability strategies that prioritize renewable energy. Corporations are increasingly recognizing the importance of reducing their carbon footprints and are investing in renewable energy solutions for their facilities.
Renewable Energy Solutions in the Built Environment
Several renewable energy solutions are being implemented in the built environment across Asia:
- Solar Energy: Solar panels are becoming a common feature on rooftops of residential and commercial buildings. Governments are incentivizing the installation of solar PV systems through subsidies and tax breaks. For instance, in Thailand, the Solar Rooftop program encourages homeowners and businesses to invest in solar energy.
- Wind Energy: While less common in urban areas, small-scale wind turbines are being integrated into some buildings, particularly in coastal regions. Countries like Japan and South Korea are exploring the potential of offshore wind farms to supply renewable energy to urban centers.
- Energy Storage: The integration of energy storage systems, such as batteries, is crucial for maximizing the benefits of renewable energy. Energy storage allows buildings to store excess energy generated during peak sunlight hours for use during periods of low generation.
- Green Roofs and Walls: These innovative design features not only enhance the aesthetic appeal of buildings but also contribute to energy efficiency and biodiversity. Green roofs can help reduce heat absorption and improve insulation, leading to lower energy consumption.
Challenges to Implementation
Despite the positive momentum, several challenges remain in the transition to renewable energy in the built environment:
- Initial Costs: The upfront costs of renewable energy technologies can be a barrier for many building owners, particularly in developing countries. While the long-term savings on energy bills can offset these costs, the initial investment can be a significant hurdle.
- Regulatory Hurdles: Inconsistent regulations and policies across different countries can complicate the implementation of renewable energy solutions. Streamlining regulations and providing clear guidelines can help facilitate the adoption of renewable technologies.
- Awareness and Education: There is still a lack of awareness regarding the benefits of renewable energy among building owners and developers. Educational initiatives can help promote the advantages of integrating renewable energy into building designs.
Future Opportunities
The future of renewable energy in the built environment in Asia holds significant promise. As technology continues to advance and costs decrease, more opportunities for integration are likely to emerge. Some potential areas for growth include:
- Smart Buildings: The rise of smart building technologies, which utilize sensors and automation to optimize energy use, presents an opportunity for integrating renewable energy sources more effectively. Smart buildings can dynamically adjust their energy consumption based on real-time data from renewable energy systems.
- Retrofitting Existing Buildings: Many existing buildings can be retrofitted with renewable energy solutions, enhancing their energy efficiency and sustainability. Governments can incentivize retrofitting projects to promote the adoption of renewable technologies.
- Collaboration and Partnerships: Collaboration between governments, private sector players, and non-governmental organizations can foster innovation and drive the adoption of renewable energy in the built environment. Public-private partnerships can play a crucial role in financing and implementing renewable energy projects.
Conclusion
The transition to renewable energy in the built environment is essential for achieving sustainable development goals across Asia. As countries continue to invest in renewable technologies and implement supportive policies, the potential for a greener future becomes increasingly attainable. By overcoming challenges and leveraging opportunities, Asia can lead the way in creating a sustainable built environment that prioritizes renewable energy.
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