L&T Arm Flags Off Crucial Component for India's 1st Domestically Built 700 MW Nuclear Reactor

The Heavy Engineering arm of Larsen & Toubro (L&T) has flagged off the first Steam Generator (SG), for indigenously developed 10 X 700 MWe Pressurized Heavy Water Reactors (PHWR) Fleet Programme, 12 months ahead of contractual delivery. SG is a heat exchanger that converts water into steam by making use of the heat produced in a nuclear reactor core. These Steam Generators are the most critical components supplied to Nuclear Power Corporation of India Ltd (NPCIL),

With this, L&T has surpassed its own previous benchmark in SG manufacturing, setting a new benchmark in manufacturing and contributing Honourable Prime Minister Mr Narendra Modi’s vision of "Aatmanirbhar Bharat" vision.

This event marks a major step forward for India's nuclear power capabilities and its commitment to clean energy.

The 10 X 700 MWe PHWR Fleet Programme is an ambitious initiative by India to significantly boost its nuclear power capacity. The programme consists of ten 700 MWe Pressurized Heavy Water Reactors (PHWRs) developed within the country.

L&T Arm Flags Off Crucial Component for India's 1st Domestically Built 700 MW Nuclear Reactor
Senior officials of Nuclear Power Corporation of India Ltd(NPCIL) and team L&T Heavy Engineering at flag-off ceremony

First Steam Generator (SG), for indigenously developed 10 X 700 MWe PHWR Fleet Programme manufactured in record time of 33 months
First Steam Generator (SG), for indigenously developed 10 X 700 MWe PHWR Fleet Programme manufactured in record time of 33 months

The steam generator, which is a critical component in nuclear reactors, was completed 12 months ahead of the contractual delivery schedule. This accomplishment not only sets a new benchmark in steam generator manufacturing but also aligns with India's COP26 commitment to achieve net-zero carbon emissions by 2070.

The flag-off ceremony took place at L&T's A M Naik Heavy Engineering Complex in Hazira, Gujarat, and was attended by senior officials from the Nuclear Power Corporation of India Ltd (NPCIL) and L&T. This development is part of India's broader mission to fast-track its nuclear power capacity to 22,480 MWe by 2032, which is more than three times the current capacity, in less than a decade.

The fleet mode of construction is expected to bring economies of scale and maximize efficiency.

The Heavy Engineering vertical of L&T has a proven track record of supplying technology-intensive equipment and systems to global customers in the refinery, oil & gas, petrochemicals, fertilisers and nuclear power sectors.

It may be recalled that L&T played a major role in the Kakrapar Atomic Power Station, whose units 3 & 4 were dedicated to the Nation by Honourable Prime Minister in February this year as well as a historic milestone of core fuel loading in 500 MWe Prototype Fast Breeder Reactor (PFBR). All these are contributing to the scripting of a new chapter in India’s strides towards clean energy.

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