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Safety28 June 2026⏱️ 3 min read
100% Regenerative Braking & Solar Rooftops to Make Patna Metro Eco-Friendly
All elevated stations will feature 1.2 MW solar rooftop installations, offsetting over 3,500 tonnes of carbon emissions annually.
Patna Metro Guide
Patna Metro is engineered as a platinum-rated green transit system. Every rolling stock coach is equipped with three-phase AC induction motors with regenerative braking, recovering up to 35% of electrical energy during deceleration and feeding it back into the high-voltage distribution grid.