L&T's renewables business has won a major order to develop three Battery Energy Storage System projects for a client in the Middle East, the Indian engineering conglomerate announced on August 25, 2026. The contract, classified under L&T's internal order valuation framework as "major," corresponds to a project value between USD 522 million and USD 1.045 billion.

Scope and Scale of the Contract

The three BESS projects will collectively deliver 6 gigawatt-hours of storage capacity, which L&T described as one of the most impactful advancements in grid modernisation and renewable energy integration in the Middle East region.

Each of the three projects features a 4-hour Battery Energy Storage System capable of storing and dispatching energy to support grid stability and the integration of renewable power into the regional electricity network.

Beyond the storage installations themselves, the scope of work extends to grid interconnections, including the construction of pooling substations and underground cables.

L&T will act as the engineering, procurement and construction contractor across all three packages, reinforcing what the company characterised as its position as a key EPC player in the fast-growing energy storage sector.

Technology and Design Specifications

The advanced BESS solution to be deployed across the three projects will incorporate liquid cooling technology. L&T stated that this design choice ensures higher power density, enhanced safety and extended operational life compared to alternative cooling approaches.

The 4-hour discharge capability on each system means stored energy can be dispatched over a sustained period, enabling what L&T described as effective energy shifting, a process by which surplus clean energy generated during off-peak periods is stored and then delivered to the grid during hours of peak demand.

The liquid-cooled architecture is increasingly favoured in large-scale utility battery deployments in high-ambient-temperature regions, where thermal management is a critical engineering consideration. The Middle East's climate makes such specifications particularly relevant to maintaining battery performance and longevity over the project lifecycle.

Operational and Performance Requirements

L&T noted that projects of this nature carry stringent requirements across several dimensions, including plant performance, workforce mobilisation, safety, quality and delivery timelines.

The company said the order reflects the trust and confidence placed in it by its client, citing its engineering excellence and project management expertise as factors underpinning that relationship.

The projects involve enabling renewable energy integration at a meaningful scale. By storing energy generated from renewable sources during low-demand windows and releasing it when demand peaks, the BESS installations are designed to smooth out variability in renewable generation and contribute to a more stable and reliable grid in the region.

Strategic Significance for L&T

The award comes as battery energy storage systems are experiencing accelerating deployment globally, driven by falling battery costs, policy support for decarbonisation and the growing share of intermittent renewable generation on electricity grids.

The Middle East, historically dominated by fossil fuel-based power generation, has been increasingly active in renewable energy and grid modernisation investment, creating opportunities for large EPC contractors with demonstrated experience in complex energy infrastructure.

L&T's renewables business vertical has been expanding its footprint in this space. Winning a contract of this size in the Middle East, spanning three distinct projects and covering not only the storage systems but also the associated transmission and grid connection infrastructure, signals the company's intent to establish itself as a significant contractor in the utility-scale energy storage market beyond its domestic Indian base.

The contract also carries commercial significance given its classification. Under L&T's published internal order classification framework, a "major" order sits in the third tier of a five-tier scale, above "significant" and "large" categories and below "mega" and "ultra-mega" designations. The 5,000 to 10,000 crore rupee band associated with this classification reflects the substantial financial value of the combined three-project award.

Company Background

Larsen & Toubro is a USD 32 billion Indian multinational operating across EPC projects, hi-tech manufacturing, products and services, with activities spanning multiple geographies.

The company has been active across diverse domains for eight decades and has in recent years placed increased emphasis on technology and artificial intelligence as part of its strategic direction. Its renewables business vertical sits within the broader energy segment of the group's portfolio.

The press release announcing the award was issued from Mumbai and attributed media inquiries to Sumeet Chatterjee, Head of Corporate Brand Management and Communications at L&T.

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