AmpereHour commissions 20 MW/40 MWh BESS in Delhi

The project is India’s first utility-scale standalone battery energy storage system to obtain regulatory approval under Section 63 of the Electricity Act, 2003.

May 6, 2025 Uma Gupta

Image: AmpereHour Energy

AmpereHour Energy, a full-stack energy storage solutions provider, in consortium with Indigrid, has commissioned BSES Rajdhani Power Ltd’s (BRPL) 20 MW/40 MWh battery energy storage system (BESS) project at the BSES Rajdhani Kilokari Substation in Delhi. The project is India’s first utility-scale standalone BESS to obtain regulatory approval under Section 63 of the Electricity Act, 2003. It is supported by concessional loan from the Global Energy Alliance for People and Planet (GEAPP).

“The 20 MW/40 MWh BESS was delivered on a turnkey basis under a long-term battery energy storage capacity agreement (BESPA) with BRPL. Installed and commissioned in just 11 months, ahead of schedule, the system became operational in April 2025. The project primarily benefits 100,000 residents of South Delhi, including high-demand areas such as Defence Colony and Lajpat Nagar,” stated AmpereHour Energy.

The BESS provides four hours of uninterrupted backup power daily—two hours during afternoon peaks and two at night—helping replace fossil fuel based power generation during peak hours with renewable energy from solar or wind. The system also reduces reliance on diesel gensets and enhances power availability for critical infrastructure including Moolchand and Safdarjung hospitals and key educational institutions.

The project will play a pivotal role in peak load shaving, capex deferral, energy arbitrage savings, and ancillary services provision, reducing power purchase costs and bolstering grid resilience and has the potential to offset about 65 tons of CO2 every day through its 80 MWh of daily discharge.

The system is powered by AmpereHour’s proprietary ELINA Energy Management Software, which enables real-time, AI-driven battery optimization. ELINA manages India-specific grid challenges such as voltage dips and peak spikes, while allowing for intelligent energy shifting based on real-time demand and supply signals.

“Energy storage is now a cornerstone of modern power systems,” said Ayush Misra, co-founder and CEO of AmpereHour Energy. “We’re proud to partner with Indigrid and BRPL on this landmark project, demonstrating the scalability and reliability of our technology in urban utility networks. As India accelerates its transition to clean energy, solutions like these are essential in ensuring a resilient, flexible, and future-ready grid.”

“This project marks a decisive step toward grid modernization and higher levels of renewable integration in the energy mix,” said Umang Maheshwari, Managing Director BESS, GEAPP. “We anticipate improved voltage quality, enhanced grid security and enabling us to lower our power purchase cost. I would like to applaud the AmpereHour Energy team for completing the project within the stipulated time at such a demographically challenging site with utmost levels of safety.”

AmpereHour Energy, founded in 2017 by IIT Bombay alumni and power sector veterans Ayush Misra, Rahul Shelke, Harshal Thakur, and Neehar Jathar, delivers modular, scalable, and software-led BESS solutions. The company’s projects span over 50 sites globally, with 100 MWh commissioned to date and nearly 1000 MWh under execution across India, Middle East, Africa and Europe, including large-scale deployments of 180 MW/360 MWh and 250 MWh/ 500 MWh in India.

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