Photovoltaic noise barriers (PNBs) are multifunctional structures designed to mitigate traffic noise while simultaneously generating solar energy. These installations consist of solar panels mounted on barriers alongside roads or railways, effectively transforming environmental noise barriers into renewable energy sources. By integrating photovoltaic technology, PNBs harness sunlight to produce electricity, contributing to sustainable energy goals and reducing dependency on fossil fuels.
The design of PNBs allows for the optimal orientation and inclination of solar panels to maximise energy capture. The integration of these systems addresses two critical environmental concerns: noise pollution and energy production. PNBs are typically made from materials that support the load of solar panels and withstand various weather conditions, ensuring durability and continued efficiency.
In urban and suburban areas, where space for renewable energy projects is limited, PNBs offer a dual-purpose solution that utilises existing infrastructure. The electricity generated by PNBs can power street lighting, traffic signals, and even feed into the local grid, offering a smart solution to urban energy needs. Their application demonstrates a strategic approach to urban planning, integrating noise control and renewable energy production, highlighting a shift towards multifunctional urban environmental management.

