2g battery energy storage in Mumbai India

Mumbai, 7th April, 2025 – Tata Power, India's largest integrated power company and a trusted electricity provider to approx. 8 lakh residential and commercial consumers, has received approval from the Maharashtra Electricity Regulatory Commission (MERC) to install a 100 MW Battery Energy Storage System (BESS) in Mumbai over the next two years.

Located near Fort Stockton, Texas, the 100 MW/200 MWh BESS is providing energy… Tata Power, India's largest integrated power company, has secured approval from the Maharashtra Electricity Regulatory Commission (MERC) to install a 100MW Battery Energy Storage System (BESS) across Mumbai.

It will further reduce power purchase costs by storing energy during off-peak, low-cost periods and discharging during peak hours, potentially leading to lower tariffs for consumers. By efficiently managing load fluctuations, Tata Power also aims to defer major capital expenditure on infrastructure upgrades.

100 MW BESS will be installed across 10 strategic locations in Mumbai over the next two years - Will ensure uninterrupted power supply to critical infrastructure such as the Metro, Hospitals, Airport, and Data Centers during grid disturbances, and will support grid through islanding to prevent blackouts

The system will have high round-trip efficiency with reduced auxiliary consumption, thereby enhancing operational performance and extending the storage system's lifespan to support Mumbai's energy sustainability goals. As renewable energy adoption accelerates, BESS plays a pivotal role in enabling a smoother transition.