Nuclear Power Is Key to India's Clean Energy Future: Anil Kakodkar

Former BARC Director Anil Kakodkar says nuclear power is essential for India's clean energy future. He argues that renewable sources like solar and wind cannot provide the stable base load that nuclear power offers. Kakodkar highlights India's vast thorium reserves as a long-term energy solution. He notes that India is the second country after Russia to operate a 500 MW fast breeder reactor.

Key Points: Nuclear Power Key to India's Clean Energy Future: Kakodkar

  • India needs fourfold increase in per capita energy consumption
  • Nuclear power provides stable base load unlike renewables
  • India is second country after Russia to operate 500 MW fast reactor
  • India aims for 100 GW nuclear capacity by leveraging thorium reserves
4 min read

Nuclear power key to India's clean energy future, says Anil Kakodkar, former BARC Director

Former BARC director Anil Kakodkar says nuclear power is vital for India's clean energy goals, highlighting thorium reserves and fast breeder reactors.

"India is blessed with huge thorium resources and that, in fact, we are the world's largest endowment of thorium on Indian soil. - Anil Kakodkar"

New Delhi, April 28

Former BARC Director and eminent nuclear scientist Anil Kakodkar has characterized the recent developments in India's nuclear sector as a historic milestone essential for achieving the vision of a developed nation. Speaking to, Kakodkar argued that while renewable sources like solar and wind are vital, their variable nature necessitates a robust base load generation. He noted that nuclear power is the only clean source capable of providing this stability to the grid.

Kakodkar emphasized that the quality of life of the average Indian should be comparable to or better than the quality of life in advanced or developed countries. To achieve a quality of life comparable to advanced nations, Kakodkar stated that India's per capita energy consumption must increase fourfold.

"Now that directly means that there is a correlation between the per capita energy consumption...and so it would mean something like four times more energy access on per capita basis compared to what we have today. As I said earlier, all this has to be in the form of clean energy...From where this clean energy can come? One of the most talked about clean energy sources is renewable energy," he said.

The scientist noted that India faces a dual challenge: meeting the climate change threat to reach net-zero by 2070, while simultaneously closing a massive development deficit.

He noted that India's nuclear future hinges on a strategic transition from limited uranium resources to its vast thorium reserves to secure clean energy for centuries to come.

"India is blessed with huge thorium resources and that, in fact, we are the world's largest endowment of thorium on Indian soil. Now, but as I said, thorium doesn't have fissile content. So you can't start a nuclear program with thorium. And that is how the Indian program is begin with uranium. But then whatever plutonium will come out as a byproduct as you produce electricity, these reactors also convert some of the fertile materials in the uranium case, uranium 238 into plutonium and that plutonium-uranium, it kind of breeds very well in fast neutron spectrum," he explained.

The scientist highlighted the significance of the 500-megawatt Prototype Fast Breeder Reactor (PFBR), which makes India only the second country in the world, after Russia, to operate a fast reactor at such a scale.

He mentioned that this reactor serves as both an electricity factory and a nuclear fuel factory, expanding the nation's fuel resources while generating power.

Regarding the goal of becoming a "Viksit Bharat" by 2047, Kakodkar acknowledged that current technological doubling time, roughly 30 to 35 years for oxide-fueled reactors, present a timeline challenge. To accelerate growth, India is developing metallic fuel technology and concurrent fuel recycle facilities, which would allow nuclear capacity to double in a much shorter timeframe.

"2047 is a date India is going to survive for centuries or maybe thousands of years. So you need to secure our energy sources at least till fusion energy comes on scene," Kakodkar stated.

To bridge the immediate gap, the scientist noted that the government is pursuing a mission to reach 100 gigawatts of nuclear capacity. This relies on indigenous Pressurized Heavy Water Reactors (PHWR) being deployed in fleet mode.

Kakodkar mentioned that with the upcoming commissioning of units in Rajasthan and Kudankulam, India is poised to cross the 10,000-megawatt mark, providing the necessary feedstock for future thorium-based stages.

Addressing the political landscape, Kakodkar observed that the Indian political system has broadly supported nuclear development.

"But I think as we are moving forward, India is advancing, India is learning. So this also will happen. I think the issue before us is this has to happen fast. But otherwise this will happen. And I don't think there is a problem of political support if we come forward and say that we will do it. They [government] are always supporting," he stated.

- ANI

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Reader Comments

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Sarah B
Interesting perspective from a former BARC director. The thorium cycle is what India needs to focus on, but the timeline of 30-35 years for doubling capacity is too slow. With 2047 target, we need faster execution. Hope the metallic fuel tech delivers.
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Priya S
Finally someone talking sense about energy mix. Renewable energy is great but it's not 24x7. Nuclear is the only clean baseload option we have. And with our thorium reserves, it's a long-term game changer. But we need to address safety concerns and waste management transparently – that's where people get skeptical.
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Michael C
Impressive that India is only second country after Russia for fast reactor at 500 MW scale. China and others are still catching up in this area. If we can scale up PHWRs in fleet mode and then transition to thorium, India could become an energy exporter eventually. Hope the political will remains consistent.
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Vikram M
Kakodkar sir is a legend, no doubt. But I think he's glossing over the cost factor. Nuclear plants are expensive and take forever to build. The 100 GW mission sounds good on paper, but implementing it at current pace will be tough. Also, what about local opposition and NIMBY issues? That's a real challenge in states like Tamil Nadu and Gujarat.
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Emma D
The per capita energy consumption point is crucial. We can't have development without energy access. But I worry about nuclear waste – even with thorium, we need robust long-term storage solutions. Also, the article mentions political support but doesn't address the massive capital required. Public-private partnerships might help.

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