Nuclear Energy in India – Status, Challenges, and Way Forward

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Nuclear Energy in India – Status, Challenges, and Way Forward

Nuclear Energy in India

Nuclear energy is a form of non-renewable energy derived from controlled nuclear reactions, primarily fission of uranium and plutonium, and increasingly through research in nuclear fusion. Unlike fossil fuels, it produces large amounts of electricity with minimal greenhouse gas emissions, making it a crucial component in the fight against climate change. For India, nuclear power not only ensures energy security by reducing dependence on imported fuels but also supports sustainable development goals. However, it is equally accompanied by debates on safety, waste management, high costs, and geopolitical concerns

Status of Nuclear Energy in India

Installed Capacity: As of January 30, 2025, India’s nuclear capacity is 8180 MW .This constitutes around 3% of India’s total installed power capacity.
Public Sector Undertakings:
- Nuclear Power Corporation of India Limited (NPCIL): Responsible for designing, building, and operating nuclear power plants.
- Bharatiya Nabhikiya Vidyut Nigam Limited (BHAVINI): Established to build and operate Fast Breeder Reactors.

Three-Stage Nuclear Power Programme

A visionary strategy formulated by Dr. Homi Bhabha to achieve energy independence using India’s domestic reserves of Thorium.

Stage 1: Pressurized Heavy Water Reactors (PHWRs) using natural Uranium, producing electricity and Plutonium-239.
Stage 2: Fast Breeder Reactors (FBRs) using Plutonium-239 to produce more fuel and electricity.
Stage 3: Advanced nuclear power systems for utilisation of thorium

Potential Role of Nuclear Energy in India’s Energy Mix

Sustainable Energy Source
- Nuclear energy provides a long-term solution to India’s energy needs, offering a low-carbon alternative to coal and other fossil fuels.
- With its high energy density, nuclear energy can produce large amounts of electricity with minimal land use compared to renewable sources like solar or wind.
Reducing Dependence on Fossil Fuels
- India heavily relies on coal for electricity generation, which has negative environmental and health impacts. Nuclear energy can reduce this dependence, contributing to energy security and a cleaner energy future.
- Nuclear energy is a key component of India’s energy diversification strategy, helping mitigate the economic and geopolitical risks associated with fossil fuel imports.
Balancing Renewable Energy Variability
- While renewable energy sources like wind and solar are important, they face challenges related to intermittency and grid stability.
  - Nuclear energy can complement renewables by providing a stable, base-load power supply, ensuring a reliable energy mix.
Energy Security
- With limited domestic reserves of fossil fuels, nuclear energy offers a solution to ensure India’s energy security. It can reduce vulnerability to external energy price fluctuations and geopolitical tensions related to oil and gas supplies.
Global Commitments to Climate Change
- Nuclear energy helps India meet its climate change goals under the Paris Agreement by reducing greenhouse gas emissions in the power sector.
- It aligns with India’s commitment to increasing the share of non-fossil fuel-based energy in its total energy mix to 50% by 2030.
Strategic Importance:
- Nuclear Research supports other applications like in defense (nuclear submarines), medicine (radioisotopes), agriculture, and research.

Challenges in Nuclear Energy Development

Safety Concerns
- High-profile nuclear accidents, such as Chernobyl and Fukushima, have led to public concern about the safety of nuclear power plants.
- In India, the safety of nuclear facilities, especially in the context of earthquakes, tsunamis, or terrorism, remains a significant challenge.
Nuclear Waste Management
- The long-term storage and disposal of nuclear waste is a major challenge. Radioactive waste can remain hazardous for thousands of years
- India currently lacks a permanent solution for the disposal of spent fuel and radioactive waste, and the absence of a robust waste management policy raises concerns.
High Capital Costs
- The construction of nuclear power plants requires significant upfront capital investment, which can be a barrier.
- The complex technology, along with safety and regulatory requirements, increases costs and delays in project implementation.
Public Perception and Opposition
- Nuclear energy often faces strong opposition from local communities and environmental activists due to concerns about safety, land acquisition, and environmental impact.
- The protests against nuclear plants, such as those seen in Kudankulam , highlight the challenges in gaining public support for nuclear energy projects.
Geopolitical and Regulatory Constraints
- India’s nuclear energy sector faces restrictions due to its non-signatory status of the Nuclear Non-Proliferation Treaty (NPT), limiting access to global nuclear markets and technology.
- Although India has made progress through agreements with countries like the U.S. and Russia, geopolitical tensions could still affect future nuclear cooperation and access to resources.
Nuclear Liability Issue:
- The Civil Liability for Nuclear Damage Act (CLNDA) 2010 holds suppliers liable in addition to operators. This conflicts with international conventions and has been a hurdle in sourcing foreign technology and fuel.
Nuclear Liability Issue:
- The Civil Liability for Nuclear Damage Act (CLNDA) 2010 holds suppliers liable in addition to operators. This conflicts with international conventions and has been a hurdle in sourcing foreign technology and fuel.
Nuclear Liability Issue:
- The Civil Liability for Nuclear Damage Act (CLNDA) 2010 holds suppliers liable in addition to operators. This conflicts with international conventions and has been a hurdle in sourcing foreign technology and fuel.
Nuclear Liability Issue:
- The Civil Liability for Nuclear Damage Act (CLNDA) 2010 holds suppliers liable in addition to operators. This conflicts with international conventions and has been a hurdle in sourcing foreign technology and fuel.

Way Forward

Indigenous Technology Development:
- Focus on fastening the development and scaling up of indigenous reactor designs like the Fast Breeder Reactors and the Advanced Heavy Water Reactor (AHWR) for thorium utilization.
Addressing Liability Concerns:
- Operationalizing the Indian Nuclear Insurance Pool (INIP) to address supplier liability concerns and facilitate foreign investment.
Exploring Small Modular Reactors (SMRs):
- Promoting research into SMRs (<300 MW) which are safer, have lower capital costs, and can be deployed in inaccessible areas.
Enhancing Safety Protocols and Infrastructure
- India must prioritize safety by adhering to international best practices and continually upgrading safety protocols in line with emerging technologies.
- Investment in modern, safer nuclear reactor designs such as small modular reactors (SMRs) could improve the safety and efficiency of nuclear power plants.
Developing a Robust Nuclear Waste Management Strategy
- India needs to develop a comprehensive waste management policy that includes research into advanced waste treatment technologies, such as reprocessing and recycling spent fuel.
- Long-term storage facilities must be developed, ensuring that radioactive waste is stored safely and securely.
Public Engagement and Transparency
- Increased transparency in nuclear projects and public engagement campaigns can help address fears and misconceptions.
- Ensuring local communities benefit from nuclear projects, such as through employment and infrastructure development, can foster public support.
Attracting Investment and Reducing Costs
- The government should create a conducive investment climate, offering incentives for private sector participation and facilitating faster project approvals.
- Public-private partnerships (PPP) models and collaborations with international nuclear technology providers can help reduce the capital burden.
Expanding International Cooperation
- India should continue to strengthen international partnerships and cooperate on nuclear research and technology sharing, while ensuring compliance with international safety standards.
- Greater engagement with organizations like the International Atomic Energy Agency (IAEA) can enhance India’s nuclear safety protocols and access to new technologies.
Focusing on Research and Development
- Investment in nuclear research and development is critical to ensure that India remains at the forefront of nuclear energy technology, including the development of thorium reactors.
- Supporting R&D in advanced nuclear technologies, such as fast breeder reactors and fusion energy, can help India achieve energy independence and sustainability.

Recent Government Steps

Union Budget 2025-26

The budget outlines a significant push towards nuclear energy as part of India’s long-term energy transition strategy. The government has set an ambitious target of 100 GW nuclear power capacity by 2047, positioning nuclear energy as a major pillar in India’s energy mix.

Nuclear Energy Mission

A key highlight of the Union Budget 2025-26 is the launch of a Nuclear Energy Mission, which is focused on research and development (R&D) of Small Modular Reactors (SMRs).
- The government has allocated ₹20,000 crore for this initiative, aiming to develop at least five indigenously designed and operational SMRs by 2033.
  - To facilitate the implementation of the Nuclear Energy Mission, amendments to the Atomic Energy Act and Civil Liability for Nuclear Damage Act will be taken up by the parliament. These amendments are expected to encourage private sector investments in nuclear power projects.
The government will enter into partnerships with the private sector with the motive of:
- Setting up Bharat Small Reactors,
- Research & development of Bharat Small Modular Reactor, and
- Research & development of newer technologies for nuclear energy.

Other Steps

Nuclear Energy Capacity Expansion

- India is actively enhancing its nuclear power capacity to meet growing energy demands and achieve environmental goals.
  - The government has initiated steps to increase nuclear power capacity from the current 8,180 MW to 22,480 MW by 2031-32. This expansion includes the construction and commissioning of ten reactors, totalling 8,000 MW, across Gujarat, Rajasthan, Tamil Nadu, Haryana, Karnataka, and Madhya Pradesh.
  - Additionally, pre-project activities for ten more reactors have commenced, with plans for progressive completion by 2031-32.
  - Further, the government accorded in-principle approval to set up 6 x 1208 MW nuclear power plant in cooperation with the USA at Kovvada in Srikakulam district in the state of Andhra Pradesh.

Nuclear Safety

- Safety remains a cornerstone of India’s nuclear energy policy. India’s nuclear power plants operate with stringent safety protocols and international oversight.
  - The radiation levels at Indian nuclear facilities are consistently well below global benchmarks, underscoring the country’s commitment to secure and sustainable nuclear energy.

Nuclear energy holds immense promise for India’s clean energy future. Its ability to provide reliable, low-carbon power makes it a critical part of India’s energy basket. However, safety, waste disposal, and public trust remain hurdles. With progressive policy reforms, investment in indigenous technology, and strategic international partnerships, India can transform nuclear energy into a cornerstone of its Atmanirbhar Bharat and net-zero vision.

GS-3 Mains Question

Q1. Examine the potential and limitations of nuclear energy in meeting India’s future energy needs.(10 marks, 150 words)

Q2. What are the major challenges facing India’s nuclear energy programme? How can they be addressed to ensure long-term energy security?(15 marks, 250 words)

Q3. Discuss the strategic relevance of India’s three-stage nuclear programme in achieving energy self-sufficiency.(10 marks, 150 words)

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