The energy generated from tram braking is used to heat the passenger compartment. The system is in use in all tram models operating in the Helsinki metropolitan area. Photo: Kaupunkiliikenne Oy/Sami Perttilä
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Helsinki’s tram network is reducing energy use and heating costs by reusing braking energy to warm passenger compartments during cold weather, according to public transport operator Kaupunkiliikenne Oy.
The system, in use since 2013, captures energy produced when trams brake, stores it, and converts it into heat.
In winter, this energy is redirected into the passenger area, covering up to 85% of the heating demand per tram.
“This allows us to utilise energy that would otherwise be lost, while significantly reducing the need for external energy
Source: www.helsinkitimes.fi
