Top Nuclear Energy Stocks in India to Watch 2025

India is aiming for net-zero emissions by the year 2070, and in this journey, there is one sector that is slowly coming into the eyes of investors: nuclear energy. While renewable sources like solar and wind remain in the news, nuclear energy stocks in India are now slowly becoming a strong option for investment. The Indian government has recently approved many new nuclear power projects, which has further increased the growth prospects in this sector. In such a situation, understanding the top nuclear energy stocks in India has now become important for every smart investor.

Why Nuclear Energy Deserves Investor Attention

India's electricity demand is expected to nearly double by 2040. Renewable (solar-wind) energy faces challenges of intermittency and storage. In such a situation, nuclear energy stocks in India are being considered as a reliable 24x7 best-load power source that can provide stability to the grid.

Government support and recent developments in nuclear energy

• ?20,000 crore was announced in the Financial Budget 2025?26 for the Nuclear Energy Mission, which aims to commission at least five indigenously developed Small Modular Reactors (SMRs) by 2033.

• Amendments are proposed in the Atomic Energy Act and the Civil Liability for Nuclear Damage Act to allow the private sector to join the nuclear sector in India.

• Major projects like Mahi?Banswara (NTPC?NPCIL JV) have received approvals, and private companies like Reliance, Adani, Tata Power etc. are in talks to invest up to $5?6 billion.

Nuclear vs. other energy investments

Nuclear energy is considered cleaner, scalable and more reliable than conventional energy sources. New technology trends, such as the thorium-based AHWR-300 and the Fast Breeder Reactor (PFBR), will ensure energy security in the long term by leveraging India's thorium wealth.

Nuclear power stocks in India Investing in the sector can give you a stable contribution, unlike weather-dependent solar/wind.

Investment prospects in this sector are attractive as policy changes, innovation in technology, and growing demand for energy-sources have now made it a strong option.

Top 10 Nuclear Energy Stocks in India

Here are India’s top nuclear energy stocks based on market performance. The table compares their prices, market caps, and 52-week ranges.

(As of 24 July 2025)

A brief overview of the Best Nuclear Energy Stocks in India is given below:

1. Larsen & Toubro (L&T) : 

Larsen & Toubro, i.e. L&T, is an Indian company founded long ago in the year 1938 by two European engineers Holck-Larsen and Soren Toubro. Initially it was a small engineering firm, but today it is counted among the largest and most trusted infrastructure and project delivery companies in India.

Headquartered in Mumbai, this company works in many sectors such as metro projects, defense, hydrocarbons, and especially nuclear energy. L&T's role in the nuclear sector is not just supportive, but this company works from designing to manufacturing heavy machinery, systems and modules required for nuclear reactors.

2. NTPC Ltd : 

NTPC i.e. National Thermal Power Corporation is a Government of India-owned company established in 1975. NTPC is the largest power generation company in the country and its headquarters is located in New Delhi. So far this company has been mainly focused on thermal and renewable energy, but in recent years NTPC has also stepped into the nuclear energy sector. NTPC has formed a joint venture with NPCIL – Anushakti Vidhyut Nigam Ltd, which will set up nuclear power projects in the country. This participation of NTPC is considered very important in the government's long-term nuclear planning.

3. Tata Power : 

Tata Power, one of the oldest companies of the Tata Group, was started in the year 1915. It is considered a pioneer company in the power sector in India. The company is headquartered in Mumbai and it produces electricity from diverse sources like coal, solar, wind, hydro and in recent years nuclear energy. Tata Power's direct stake in nuclear energy may be limited, but the company is slowly entering this field through technical partnerships with NPCIL. Apart from this, Tata Group's contribution has also been seen in nuclear research and safety systems.

4. Bharat Heavy Electricals Ltd (BHEL) : 

BHEL i.e. Bharat Heavy Electricals Limited is a major public sector company of the Government of India, which was established in 1964. This company is one of the largest engineering and manufacturing companies in India. BHEL manufactures equipment such as turbines, boilers, and reactors for power generation plants. The special thing is that BHEL has a long experience in the nuclear energy sector - the company has manufactured the equipment and power turbines required for nuclear reactors in collaboration with NPCIL. BHEL is also going to play an important role in the upcoming nuclear projects.

5. KSB Ltd : 

KSB Ltd, part of the German multinational KSB SE, started its operations in India in the 1960s. The company is primarily engaged in manufacturing pumps, valves and industrial flow solutions.

In India, KSB has manufactured high-pressure and safety critical products such as reactor coolant pumps and control valves, especially for nuclear power plants. KSB has plants in Pune and Coimbatore and has been working with NPCIL for a long time. The company's engineering quality and safety standards are considered to be of very high level in the nuclear sector.

6. Transformers & Rectifiers India : 

Transformers & Rectifiers India Limited (TRIL) was established in 1994 in Ahmedabad, Gujarat. This company is specialized in manufacturing transformers and its name is taken with trust in the power sector of India. TRIL supplies various types of transformers, from power transmission to nuclear power plants. Especially for nuclear power plants, the company has supplied high voltage equipment to NPCIL and other government institutions. In India's growing nuclear power grid, the need and importance of technical support players like TRIL is increasing.

7. GMM Pfaudler Ltd : 

GMM Pfaudler was started in India in 1962 and this company is especially specialized in glass-lined equipment and process technology. It is used in the manufacture of nuclear pharma, radioactive chemicals and reactor parts. GMM's technology is particularly suited for processes where safety and extreme purity are required - such as nuclear research, medical isotopes and specialty chemicals. The company has a strong technical backup and works with major pharma and energy companies in India and abroad.

8. WPIL Ltd : 

WPIL Limited was founded in 1952 and is primarily known for manufacturing industrial and water pump systems. Its headquarters is in Kolkata. In recent years, WPIL has entered the nuclear power sector where it supplies high-capacity pump systems for reactors. The company has partnered with government institutions such as BHEL and NPCIL in several projects. Its products are used in nuclear cooling systems and other critical areas.

9. Premier Explosives Ltd : 

Premier Explosives Ltd was founded in 1980 in Hyderabad and manufactures specialty explosives and propulsion systems for the defense, space, and nuclear sectors. The company has worked with prestigious institutions like DRDO, ISRO, and BARC. In the nuclear sector, Premier Explosives provides technology related to nuclear fuel handling, reactor safety, and radioactive waste management systems. This company is an important but often overlooked part of the nuclear supply chain.

10. GE Power India Ltd : 

GE Power India is an Indian subsidiary of General Electric, which has been present in India for several decades. It is headquartered in Gurugram and the company works in power generation and environmental solutions. In the field of nuclear energy, GE Power India works specifically on turbine systems, ventilation technology and radiation safety systems. The company provides technical support to nuclear projects in collaboration with NPCIL and other international technology partners. It is contributing to bringing India's nuclear technology capabilities to global standards.

Key Performance Indicators (KPIs)

Key performance indicators (KPIs) help compare financial strength across power sector companies. Let’s have a look at key metrics like margins, returns, and debt levels.

(Data as of 24 July 2025)

Risks & Challenges in Nuclear Stocks

There are many opportunities to advance the nuclear energy sector in India, but it is also associated with some serious risks and challenges, which cannot be ignored.

Policy & Regulatory Delay : 

The Indian government has set a target of 100GW of nuclear capacity in Budget 2025–26 and proposed legal reforms for the development of SMRs. But amendments to the Atomic Energy Act and the Civil Liability Act are still pending, hindering private investment and public–private partnerships.

NPCIL Project Slippages : 

Major projects such as the Kakrapar and Rajasthan plants were set back several years due to design and supply problems with the IPHWR 700 reactors. Currently, NPCIL is planning to install ten 700MW PHWRs in “fleet mode”, but their construction is likely to be delayed .

Technology Import Dependence : 

India is still dependent on foreign partners (such as Russia, US, France) for many high-end reactor technologies Reuters. This affects the pace of the project, cost structure and strategic self-reliance.

Accident Perception Risk : 

Incidents like Chernobyl and Fukushima have affected the image of the nuclear sector. Recently, the Cheemeni project in Kerala has seen public agitation and environmental concerns.

Vulnerability in Uranium Supply Chain : 

India uses domestic mines (Jaduguda, Tummalapalle), but these are not sufficient globally. Hence India becomes heavily dependent on foreign uranium. Also, market control by countries like Russia and Kazakhstan affects prices and availability

Lack of Pure-Plays : 

There is no publicly listed company in India that generates nuclear power directly – NPCIL is also unlisted. Hence investors have to go to mid/small cap companies involved in the nuclear supply chain, which have higher risk-reward ratio.

Risks & Challenges in Nuclear Stocks

There are many opportunities to advance the nuclear energy sector in India, but it is also associated with some serious risks and challenges, which cannot be ignored.

Policy & Regulatory Delay : 

The Indian government has set a target of 100GW of nuclear capacity in Budget 2025 26 and proposed legal reforms for the development of SMRs. But amendments to the Atomic Energy Act and the Civil Liability Act are still pending, hindering private investment and public–private partnerships.

NPCIL Project Slippages : 

Major projects such as the Kakrapar and Rajasthan plants were set back several years due to design and supply problems with the IPHWR 700 reactors. Currently, NPCIL is planning to install ten 700MW PHWRs in “fleet mode”, but their construction is likely to be delayed .

Technology Import Dependence : 

India is still dependent on foreign partners (such as Russia, US, France) for many high-end reactor technologies Reuters. This affects the pace of the project, cost structure and strategic self-reliance.

Accident Perception Risk : 

Incidents like Chernobyl and Fukushima have affected the image of the nuclear sector. Recently, the Cheemeni project in Kerala has seen public agitation and environmental concerns.

Vulnerability in Uranium Supply Chain : 

India uses domestic mines (Jaduguda, Tummalapalle), but these are not sufficient globally. Hence India becomes heavily dependent on foreign uranium. Also, market control by countries like Russia and Kazakhstan affects prices and availability

Lack of Pure-Plays : 

There is no publicly listed company in India that generates nuclear power directly – NPCIL is also unlisted. Hence investors have to go to mid/small cap companies involved in the nuclear supply chain, which have higher risk-reward ratio.

How to Invest in Nuclear Energy Stocks

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Conclusion

The nuclear energy sector is going to become an important pillar of India's energy needs in the coming times. Clear policies of the government, technological development and steps being taken towards energy security give a strong base to this sector. In such a situation, companies related to nuclear energy present a golden opportunity for investors from a long-term perspective. By investing in wisely selected companies, you can not only expect good returns, but can also become a partner in the country's development journey.

FAQs

Q1. What is nuclear energy and how is it produced?

Nuclear energy is a type of energy that is produced from the nuclear fission of substances such as uranium.

Q2. Is nuclear energy safe for the environment?

Yes, nuclear energy is very safe for the environment if the right technology and safety standards are followed.

Q3. Why should one consider investing in nuclear energy stocks?

The nuclear sector can give good returns in the future due to long-term growth, government support and energy security.

Q4. Do Indian companies actively work in nuclear energy development?

Yes, many companies like NTPC, BHEL, L&T are involved in nuclear power projects and are continuously working in this direction.

Q5. Is nuclear energy a long-term investment opportunity?

Absolutely, investing in the nuclear energy sector has the potential for good growth and stable returns in the long term.