Adani Group Unveils India’s Longest 91.2m Wind Turbine Blade At Mundra Facility

Adani New Industries Ltd. (ANIL), the renewable manufacturing arm of the Adani Group, is set to produce India’s longest onshore wind turbine blades, measuring 91.2 metres, at its Mundra facility in Gujarat. The new blades mark a significant advancement in design, materials engineering, and manufacturing capability and are intended for next-generation turbines aimed at boosting energy output at low- and medium-wind sites.

Currently, the Mundra plant manufactures blades of 78.6 and 80.5 metres. Industry sources indicate that the initial set of 91.2-metre blades has already been installed on a new turbine model, with serial production expected to commence later this year. The development aligns with India’s broader drive toward localisation in renewable energy manufacturing, reducing dependency on imports and enhancing domestic technological expertise.

Blade length is a critical factor in wind energy generation. A 91.2-metre blade enables a rotor diameter of approximately 185 metres, sweeping an area of nearly 26,600 square metres. Larger rotors capture more kinetic energy from wind, improving capacity utilisation and overall power output. This is especially important for India, where many potential wind sites fall in low- to medium-wind regimes, making larger blades and higher hub heights essential for commercial viability.

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To contextualise the scale, a 91.2-metre blade is roughly the length of a football field and taller than a 30-storey building. Each rotation sweeps an area larger than three football fields combined, significantly expanding the potential energy capture per turbine. The move also supports turbines rated above 5 megawatts, enabling the deployment of high-capacity models beyond traditional high-wind corridors.

ANIL’s Mundra facility currently has an annual production capacity of 2.25 gigawatts (GW), equivalent to approximately 450 blade sets. The company plans to increase capacity to 5 GW in phases, with a long-term goal of reaching 10 GW. The expansion is backed by a growing order book from independent power producers, including Fourth Partner Energy, First Energy, and Opera Energy, for its 3.3-MW turbine model featuring a 164-metre rotor.

For the current financial year, ANIL expects to deliver up to 1.25 GW of wind turbines to external customers, in addition to a similar volume for Adani Green Energy Limited projects. The production of 91.2-metre blades represents a significant milestone in India’s renewable energy ambitions, combining technological innovation with increased localisation to strengthen the country’s clean energy infrastructure.

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