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L&T Secures Major Order for 116 MW Solar + 241 MWh BESS Project in Bihar

Larsen & Toubro’s Renewables division has won a major engineering, procurement, and construction contract for a 116 MWac grid-connected solar photovoltaic (PV) plant integrated with a 241 MWh battery energy storage system (BESS) in Kajra, Lakhisarai district, Bihar. This project marks an extension of the earlier phase, bringing the total co-located storage capacity at the site to 495 MWh — the largest awarded by a state utility in India.

The advanced BESS will use liquid cooling technology for enhanced power density, safety, and operational life, enabling energy time-shifting by storing surplus clean energy and dispatching it during peak demand. This aligns with the Government of India’s push for renewable energy storage and supports Bihar’s Jal-Jeevan-Hariyali Abhiyan, contributing to sustainability, employment, and energy security.