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Indian Railways Accelerates Toward A Solar Future With New Tenders

Indian Railways has taken some significant measures over the last few weeks that will cement its place as one of the single largest clean energy users in India. These steps include the issuance of tenders for large-scale solar power projects and the commissioning of a first-of-its-kind project to use solar power for trains’ traction systems.  

Indian Railways has taken some significant measures over the last few weeks that will cement its place as one of the single largest clean energy users in India. These steps include the issuance of tenders for large-scale solar power projects and the commissioning of a first-of-its-kind project to use solar power for trains’ traction systems.  

These measures are part of Indian Railways’ long-term sustainability goals. According to a 2017 study, Indian Railways has a potential to set up 5 gigawatts of solar power capacity, which will be sufficient to meet all its power demand in the coming years.

World’s First Solar Project To Power Traction System

India’s minister for railways recently announced that Indian Railways has commissioned a 1.7-megawatt solar power project. Power generated from this project will be supplied to trains’ traction system. This project is the first of its kind in the world, Indian Railways has claimed. The project is located in Madhya Pradesh and was commissioned by a public sector company, BHEL.

According to Indian Railways, the project is expected to generate 2.5 million kilowatt hours of electricity every year, resulting in annual savings of around $180,000.

Gigawatt-Scale Plans To Power Trains

The 1.7-megawatt project has been implemented on an experimental basis and will form the foundation for gigawatt-scale solar-powered train operations. Railways Energy Management Company Limited (REMCL) has been assigned the responsibility to set up 3 gigawatts of solar power projects across the country to ensure solar power supply to Indian Railways’ vast network.

These large-scale solar power projects will be commissioned over the unused land that Indian Railways owns across the country.

Solar/Wind Hybrid Tenders

Last year, REMCL issued two tenders to procure 140 megawatts and 109 megawatts of solar and wind power. These projects will be spread across multiple states. The Railways has put more emphasis on wind power capacity in these tenders, possibly to ensure the round-the-clock supply power necessary to operate trains.

Solar Power Tenders

In June, REMCL issued a 400-megawatt solar power tender. This capacity will be distributed across six states. Three of these six states do not have any significant solar power capacity operational. Project developers are mandated to use Indian-made solar cells and modules for these projects.

Earlier this month, another tender was issued by REMCL with a capacity of 1,000 megawatts. Again, developers will be required to use only Indian-made solar cells and modules. Developers will supply power at a fixed rate for 25 years.

Rooftop Solar Power

Indian Railways has an ambitious target with respect to rooftop solar power as well. In February 2017, the government announced plans to install rooftop solar power systems at 7,000 railway stations.

Apart from using renewable energy to power traction systems, Indian Railways also utilizes solar power for non-traction systems, such as lighting and cooling systems in coaches. In 2017, Railways announced plans to install solar panels atop 250 trains. It issued a tender for the installation of flexible solar panels and battery systems on the roofs of coaches of six trains on a pilot basis.

The utilization of renewable power for traction systems seems to have gained popularity among Indian Railways after it was successfully demonstrated by the Delhi Metro Rail Corporation (DMRC). DMRC operates India’s largest network of subway systems. A large portion of its power demand is met from a solar power park located around 700 kilometers away. Railways reportedly considered setting up a similar large-scale solar power park in central India. However, from the tenders issued by REMCL, it is apparent that Railways plans to utilize unused land it owns spread across multiple states.

Electrification Plans

In 2018, Railways reported that its traction power demand is around 2 gigawatts and another 400 megawatts demand from railways stations and workshops. This is expected to increase to over 4 gigawatts by 2022 with the planned electrification of a broad gauge network. Railways has signed an agreement with ABB to convert diesel-fired locomotive into electric locomotives by 2022.

Despite the declining profit, Indian Railways is unlikely to face any problems funding this green energy transition. Its operational and financial efficiency have been on the decline. However, Railways raised $500 million through a green bond issue in 2017 at a very attractive interest rate.

According to the United National Development Programme, Indian Railways can meet at least 25% of its power demand from renewable energy sources. A 2017 UNDP-funded study claimed that Indian Railways can set up 3.9 gigawatts of land-based and 1.1 gigawatts of rooftop solar power projects.

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Written By

Smiti works as a senior solar engineer at a reputed engineering and management consultancy. She has conducted due diligence of several solar PV projects in India and Southeast Asia. She has keen interest in renewable energy, green buildings, environmental sustainability, and biofuels. She currently resides in New Delhi, India.


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