Hybrid Ballasts for Solar Panel Installation

Solar energy plays a pivotal role in shaping a sustainable energy future. When deploying solar photovoltaic systems on rooftops, concrete ballasts are commonly used as counterweights because of their high density and low production cost. However, the transportation of these concrete ballasts is a laborious task. Additionally, workers are susceptible to heat stress while working on rooftops. The innovative hybrid ballast is a sustainable and efficient approach to ballast installation that can counter these issues. Comprising a lightweight polyvinyl chloride container filled with superabsorbent polymer, recycled materials, and water, the hybrid ballast reduces installation time by 58 percent compared to concrete ballasts. Moreover, its carbon footprint is 1.54 times lower, and it offers greater potential for redeployment. Aligned with Singapore's goal of achieving net-zero emissions by 2050, this innovation promotes a safer working environment and a greener future.

Innovators

• Gregory Edward Hogan, Lecturer, Mechanical Engineering
• Andre Poh Siu Meng, Senior Lecturer, Mechanical Engineering
• Lim Wenbin, Assistant Director, Mechanical Engineering