The Delhi Metro Rail Corporation (DMRC) has declared a huge move toward sustainable mobility by shifting to clean energy. Delhi Metro is seeking bids for 500 million units of renewable energy yearly to power its extensive network across the National Capital Region. This step sheds light upon the DMRC’s ongoing commitment to lowering its carbon footprint and ensuring that there is a greener and more energy-efficient future for urban transportation in India.

A Push Toward a Greener Energy Mix

DMRC’s tender seeks to source energy through a grid-connected captive solar power plant, which is connected with a Battery Energy Storage System (BESS). This project’s aim is to secure both daytime and nighttime power supply, ensuring round-the-clock renewable energy integration. Moreover, the chosen developer will construct, operate, and maintain the plant for a contract period of 25 years.

At this time, the Delhi Metro meets a substantial portion of its electricity needs through renewable sources. It procures roughly about 350 million units (MU) from the Rewa Solar Park in Madhya Pradesh and operates another 40 MU yearly from rooftop solar installations all over its depots, stations, and staff colonies. Jointly, these contribute around 33% of DMRC’s total power demand during operating hours.

By spreading out its renewable portfolio, Delhi Metro is seeking bids for 500 million units of renewable energy to increase its share to over 60%, covering additional demand from the upcoming Phase-IV expansion. This move displays DMRC’s long-term strategy of becoming one of India’s most energy-efficient urban transport systems.

Also Read: China Tightens Rare Earth Export Controls, Expanding Restrictions On Critical Green Tech Minerals

Technical Highlights of the Tender

• The project needs to deliver 200 million units during solar hours, that is, daytime, and 250 million units during non-solar hours, during nighttime, ensuring a clean energy supply continuity.
• The co-located Battery Energy Storage System (BESS) will have a capacity of 680 MWh, allowing stored solar energy to meet nighttime operational needs.
• A maximum weight of 170 MW has been set up during solar hours, specifying the scale of generation for the captive plant.
• The tender mandates earnest money deposits and bank guarantees to make sure that only qualified and reliable bidders participate.

Also Read: Ahead Of COP30, Experts Warn Climate Tipping Points Are Being Crossed

The Bottom Line

Through this strong initiative, Delhi Metro is seeking bids for 500 million units of renewable energy not just as a procurement measure but as a landmark in its sustainability journey. Once it is completed, it will position DMRC as the first metro system in India to operate more than 60% of its power from renewable sources. The project’s fusion of large-scale solar generation with energy storage illustrates a forward-looking approach that sets operational reliability with environmental responsibility.

This move also comes together with India’s broader climate commitments under the “Panchamrit” agenda, implementing cleaner transport and lower urban emissions. As DMRC continues to expand, its renewable energy transition sets a strong example for other Indian cities that are aiming to build eco-friendly public transport systems. Delhi Metro is seeking bids for 500 million units of renewable energy, and in doing so, it is reshaping how infrastructure can power itself sustainably in a rapidly growing nation.

Also Read: Climate Litigation Surges In India As Courts Affirm Right To A Healthy Environment: Report