L&T Wins Large Order for 3,000 MW Saidongar-1 Storage Project

Larsen & Toubro (L&T) has secured a large engineering, procurement and construction order for the 3,000 MW Saidongar-1 Pumped Storage Project in Raigad district, Maharashtra, strengthening its presence in India’s fast-growing energy storage sector.

The contract has been awarded by Torrent Energy Storage Solutions Pvt Ltd. Under the scope of work, Larsen & Toubro’s Heavy Civil Infrastructure business will handle design, engineering and execution of the project’s civil and hydro-mechanical components.

The Saidongar-1 project will have an installed capacity of 3,000 MW, comprising ten units of 300 MW each. L&T has classified the contract as a large infrastructure order, which, under its internal classification, typically indicates a value in the ₹2,500 crore to ₹5,000 crore range.

Pumped storage projects play a central role in power-system operations by storing surplus electricity during off-peak hours and supplying it during periods of high demand. Such projects support grid balancing, frequency control and peak power management, particularly as the share of variable renewable energy continues to rise.

According to the company, the Saidongar-1 facility will contribute to improving grid reliability and system flexibility in Maharashtra and adjoining regions. The project is expected to support the integration of renewable energy, including solar and wind power, by providing large-scale storage and rapid response capacity when generation fluctuates.

The order also reinforces L&T’s position in complex hydro and pumped storage infrastructure, where execution involves extensive tunnelling, underground caverns, reservoirs and electro-mechanical integration. The company has delivered several large hydropower projects and water-infrastructure developments across India and overseas.

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With India accelerating investments in energy storage to complement renewable expansion, pumped storage projects such as Saidongar-1 are gaining strategic importance. The award reflects rising demand for long-duration energy storage solutions and the role of established engineering firms in delivering critical power infrastructure projects at scale.