The Delhi Metro is the first rail network in the world to have two projects registered with the UN Framework Convention on Climate Change. Not only has it succeeded in preventing release of almost one lakh tonnes of carbon dioxide into the atmosphere but is also earning carbon emission reductions (CERS) under the carbon credit scheme.
In 2007 alone Delhi Metro had succeeded in helping reduce 17,000 vehicles from plying on the streets and ensuring an analogous reduction of about 26,691 litres of fuel.
The present ridership in Metro is 18 lakhs per day but will go up to a combined ridership of 40 lakhs per day once the Phase 3 of the Metro is completed
Under regenerative braking process, whenever metro trains apply brakes, three phase-traction motors installed on them act as generators to produce electrical energy which goes back into the Over Head Electricity (OHE) lines.
The energy that is supplied back to the OHE is used by other accelerating trains on the same line, thus saving overall energy in the system as about 30 per cent of electricity requirement is reduced.
The certification report was given by German-based validation organisation TUV NORD, which conducted an audit on behalf of the UNFCC.
The DMRC saves 1,12,500 megawatt hours of power generation by restricting and reusing power through regenerative braking thus preventing over 90,000 tonnes of carbon dioxide from being emitted into the atmosphere.
This figure will only increase once Phase 2 and 3 get completed.
- At a workshop on Climate Change Financing organised by the UNDP and the department of economic affairs, DMRC managing director pointed out.
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