Japan has harnessed everyday footsteps to generate clean electricity using piezoelectric technology. In bustling areas like Tokyo’s Shibuya Station, specially designed floor tiles convert the mechanical pressure from each step into electric energy—about 0.1 watts per step from a person weighing around 60 kg . While that seems small, when thousands walk over these tiles daily, the accumulated energy can power LED displays, signage, and station lights .
The innovation, prominently backed by Soundpower Corp. and other public initiatives, is seen across train stations, malls, and city halls as a clever example of turning human movement into sustainable power .
Although individual energy output per footstep is modest, the technology shines in high-traffic urban environments, promoting both green energy and public awareness. However, high installation costs and relatively low per-step power mean it remains more of a forward-looking demonstration than a mainstream solution—for now .