Abandon fast breeder nuclear reactor project at Kalpakkam, Vaiko urges Centre
He said the technology used in this type of reactor to generate power had been tested in several countries, but had been largely abandoned due to safety concerns and high economic costs
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Context
MDMK General Secretary Vaiko has urged the Union government to abandon the 500 MW at Kalpakkam, Tamil Nadu, citing serious safety concerns. This political opposition comes immediately after the reactor achieved its 'first criticality' (a self-sustaining nuclear fission chain reaction) on April 6, 2026. The project, which has faced delays of over 15 years, is a crucial milestone in India's transition to advanced nuclear energy.
UPSC Perspectives
Science & Technology
The attainment of criticality at the marks India's official entry into the second stage of its Three-Stage Nuclear Power Programme, originally conceptualized by physicist . Designed by the , the reactor uses a mixed oxide (MOX) fuel of Uranium and Plutonium. It is called a 'breeder' because it produces more fissile material than it consumes by converting fertile Uranium-238 into fissile Plutonium-239 using fast neutrons. This stage is a vital technological bridge; it will eventually breed Uranium-233 from Thorium, enabling the third stage of the programme which relies on India's vast domestic Thorium reserves.
Environmental & Safety
The opposition to the reactor stems from inherent safety and environmental anxieties associated with advanced nuclear technology. Unlike conventional reactors that use water, the fast breeder reactor uses liquid sodium as a coolant to operate at high temperatures. Sodium is highly reactive and can combust upon contact with air or water, creating severe operational risks if leaks occur. Before reaching criticality, the facility had to undergo rigorous safety audits and receive clearance from the . For UPSC, it is essential to analyze the tension between achieving clean, low-carbon baseload energy for India's Net Zero by 2070 target and addressing the legitimate disaster-management concerns of local coastal communities.
Governance & Economic
The Kalpakkam project, executed by , is a classic case study in public infrastructure delays and cost overruns. Construction began in 2004 under the with an original commissioning target of 2010. The 15-year delay, caused by first-of-a-kind technological hurdles, has led to the project cost more than doubling from its initial estimates. Despite these setbacks, the successful operation of this reactor is of immense strategic value. Once fully operational for commercial electricity generation, India will become only the second country in the world, after Russia, to operate a commercial fast breeder reactor, significantly reducing future reliance on imported Uranium.