India's Nuclear Future: Balancing Energy Ambition, Self-Reliance, and Safety
As India targets a massive scale-up in nuclear power to 100 GW by 2047, it faces a critical choice between its proven, cost-effective domestic technology and expensive foreign imports, a decision that will shape its energy security and industrial future.
What is the government's new nuclear ambition?
The Government of India has set a strategic goal to expand the country's nuclear power capacity to 100 GW by 2047, a major increase from the current installed capacity of 8.1 GW. This target is a component of a broader strategy to decarbonise the economy and ensure energy security. To facilitate this expansion, the government amended the Atomic Energy Act, 1962, through the Atomic Energy (Amendment) Act, 2015. This change permits joint ventures between the Nuclear Power Corporation of India Limited (NPCIL) and other Public Sector Undertakings (PSUs). The government is also exploring frameworks to allow private sector participation to attract fresh capital and project management expertise.
Why is there a debate between domestic and imported technology?
The core of the debate is the path India should take to achieve its 100 GW target. Decades of sanctions compelled India to develop a self-reliant nuclear ecosystem, resulting in the mastery of Pressurised Heavy Water Reactor (PHWR) technology. The Atomic Energy Commission (AEC), with Indian firms, has scaled up these homegrown reactors from 200 MW to 700 MW units. According to an analysis in The Hindu, this indigenous development provides a significant cost advantage. Indian-built plants reportedly cost approximately $1,700 per kilowatt (kW), substantially lower than South Korean plants ($2,200/kW), French plants (over $5,500/kW), and U.S. plants (up to $15,000/kW). This positions Indian PHWRs among the most cost-competitive globally.
Despite this advantage, the government's rationale for considering imported technology, following the 2008 Indo-US nuclear deal, is to accelerate capacity addition by accessing advanced, larger-capacity Light Water Reactors (LWRs) from foreign suppliers. Proponents argue this would diversify India's reactor base and enable faster deployment of large projects. However, critics, including former diplomats Meera Shankar and Ajay Shankar, contend that importing these expensive reactors would generate costlier electricity and create new technological dependencies. They note that while the 2008 NSG waiver allows reactor imports, it permanently prohibits the transfer of enrichment and reprocessing technologies, which are essential for the LWR fuel cycle and true self-reliance.
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