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Apr 28, 2025 · Tata Power, India''s largest integrated power company, has secured approval from the Maharashtra Electricity Regulatory Commission (MERC) to install a 100MW Battery
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Aug 4, 2025 · But India''s evolving electricity landscape has created an environment where battery energy storage systems (BESS) can earn strong returns from power exchanges, while offering
Credit: Piotr Swat / Shutterstock.com. Tata Power has received approval from the Maharashtra Electricity Regulatory Commission (MERC) to implement a 100MW battery energy storage system (BESS) in Mumbai, India, with plans to complete the installation by 2027.
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.
India's existing regulations present a useful framework for enabling energy storage deployment; however, current regulations that explicitly restrict storage from providing services or earning revenue for those services present a barrier to maximizing the cost-effective value of storage investments.
The complete 100MW system will be installed across ten strategically located sites, particularly near load centres across Mumbai Distribution, centrally monitored and controlled from Tata Power’s power system control centre.
Energy storage has the potential to meet these challenges and accelerate India's energy transition. The potential for storage to meet these needs depends on many factors, including physical characteristics of the power system and the policy and regulatory environments in which these investments would operate.
The technical system characteristics of the Indian power system are favorable for energy storage to reduce operating cost and improve system reliability. Storage can provide energy arbitrage, ancillary services, and potentially defer transmission investments, but existing policy and regulatory barriers may limit these opportunities.
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