Melbourne Unveils One of the World's Largest Solar Facades on a 48-Story Tower Generating Up to 20% of Its Energy

Installation of a Solar Facade in Melbourne

According to НВ — Техно: A groundbreaking solar facade has been completed on a 48-story office tower in Melbourne, marking one of the first large-scale projects of its kind worldwide. Developed by Australian firm Cbus Property, the installation features 1,391 solar panels with a total capacity of up to 375 kW. This system is designed to supply as much as 20% of the building's base energy needs, with full operational status expected by the end of 2023.

The solar panels are strategically positioned not only on the building's facade but also on its roof and upper sections, covering an extensive 2,679 square meters. Beyond generating electricity, the panels help reduce cooling demands and reliance on the power grid. Ross Snowball, project manager at construction company Multiplex, highlighted the complexity of integrating nearly 1,400 photovoltaic panels into the building's envelope, requiring close coordination across facade, structural, and engineering teams to maintain quality and timeline.

Design and Environmental Impact

Located at 435 Burke Street, the office tower's facade was designed by Australian architecture firm Bates Smart. According to Chris Kakoufas, the solar panels also serve as sunshades, minimizing heat penetration into the building. This dual-function approach enhances both energy generation and indoor comfort.

Funded by the Australian government over four years ago, the project represents a significant advancement in sustainable construction and energy efficiency.

Notably, this system's peak capacity is more than double that of another recent installation on the new eight-story office building at 550 Spencer Street, which, completed in November 2024, features 1,182 facade-mounted panels. These developments reflect a growing trend towards building-integrated photovoltaic (BIPV) systems, which replace traditional cladding, glazing, or roofing materials with energy-producing alternatives.

The completion of Melbourne's solar facade marks a major milestone in the adoption of sustainable technologies within architecture and construction. The increasing popularity of BIPV solutions signals a shift toward enhanced building energy efficiency, with the potential to reshape urban energy landscapes. By setting a precedent, such projects pave the way for broader adoption of clean energy sources and contribute to reducing the carbon footprint of the building industry globally.