Paving slabs use pedestrians' kinetic energy to generate sustainable electricity

Paving slabs that use kinetic energy to generate electricity from nothing more than the passing footfall could provide a sustainable energy source in public spaces, according to Pavegen Systems, the company that has developed them.

Paving slabs generate electricity. Image: Pavegen
Paving slabs generate electricity. Image: Pavegen

Five percent of the electricity stored in the slabs is used to make them glow when walked on, to indicate that they have generated energy. The remaining 95 per cent can be used in street lighting and displays, or to illuminate public areas such as bus stops.

Because they are the same size as regular slabs, they can be retro-fitted into existing paved areas.

According to design and marketing manager Mark Wane: "They depress by around 5mm which makes them feel slightly spongy when you tread on them. As well as saving energy, it's a fun way to educate people about sustainability."

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