After coal, gas, hydroelectricity, and wind power, nuclear power is India's fifth-largest source of electricity. India has 22 nuclear reactors in operation in seven nuclear power plants, with a total installed capacity of 7,380 MW as of November 2020. Nuclear power generated 43 TWh in 2020-21, accounting for 3.11 percent of India's total electricity generation (1,382 TWh). A total of ten more reactors with a combined generation capacity of 8,000 MW are currently under construction. This article will explain to you Nuclear Energy Resources which will be helpful in preparing for Geography for the UPSC Civil service exam.

What exactly is Nuclear Energy?

• Nuclear energy, also known as atomic energy, is the energy released in large quantities by processes that affect atomic nuclei which are the dense cores of atoms.
• It differs from the energy of other atomic phenomena like ordinary chemical reactions, which only involve atoms' orbital electrons.

Types of Nuclear Energy

Fission and fusion are the two basic nuclear processes that are considered for energy production.

Nuclear Fission

• Fission is the energetic splitting of large atoms like Uranium or Plutonium into two smaller atoms, referred to as fission products.
• You must hit an atom with a neutron to split it.
• A number of neutrons are also released, which can split nearby atoms, resulting in a nuclear chain reaction with long-term energy release.
• This was the first of the two nuclear reactions to be discovered.
• This reaction is used by all commercial nuclear power plants in operation to generate heat, which is then converted into electricity.

Nuclear Fusion

• The fusion of two small atoms, such as hydrogen or helium, produces heavier atoms and energy.
• These reactions can produce more energy without as many radioactive byproducts as fission.
• In the sun, fusion reactions take place, with Hydrogen as the fuel and Helium as the waste product.
• Due to its promise of nearly limitless, low-pollution, and non-proliferative energy, this reaction has not yet been commercially developed and is a hot topic of research around the world.

Nuclear Energy Resources on Earth

• Nuclear energy is responsible for about 10% of the world's electricity production.
• Nuclear power plants are operational in about 30 countries around the world.
• Nuclear energy generates about 75% of the electricity in France.
• Around 450 nuclear reactors are in use around the world to generate electricity.

Nuclear Energy Resources In India

• India's nuclear program dates back to 1944, and Homi Jehangir Bhabha established India's 3 stage technology efforts when he founded the Tata Institute of Fundamental Research, a nuclear research institute.
• India currently operates 23 nuclear reactors in seven nuclear power plants, with a total installed capacity of 7,480 megawatts (MW).
• The Kudankulam Nuclear Power Plant, located in Tamil Nadu, is India's largest nuclear power plant.
• The country currently has a nuclear power capacity of 6780 MW installed.
• In the year 2020-21, nuclear power accounted for about 1% of total electricity generation in the country.
• On the basis of project completion, the current nuclear power capacity of 6780 MW will be increased to 22480 MW by 2031.

Need for Nuclear Energy Resources In India

• India has vast reserves of thorium and uranium, which can be used to power India's nuclear power plants if appropriate technology is developed.
• Thorium deposits in India are estimated to be 360,000 tonnes, and natural uranium deposits are estimated to be 70,000 tonnes.
• The country's thorium reserves account for 25% of the world's total.
• Despite the fact that India is the world's third-largest producer of electricity, approximately 20% of the country's population does not have access to electricity today.
• Electricity consumption per capita is extremely low, at around 1,181 kWh per year, roughly half of the global average and far below that of advanced countries.
• There are energy and peak power shortages in the range of 10-15%.
• Given that India's annual energy demand is expected to reach 800 GW by 2032, it is critical to consider all sources of energy when determining the best energy mix.
• Rapid economic growth is also necessary for achieving development goals and reducing poverty levels.
• Over the next few decades, sustained economic growth of around 8% to 10% is required.
• Apart from transmission and distribution systems, a massive increase in electricity capacity is required because electricity is a key driver of economic growth.
• Changing weather patterns have had a negative impact on the energy supply. As water reservoirs shrink due to decreased precipitation and increased evaporation, the capacity of hydropower and other water-intensive generation technologies to generate electricity may dwindle.
• Nuclear energy can due to its emission-free contribution to global efforts under the Paris Agreement nature.
• India's Nationally Determined Contribution (NDC) to the United Nations Framework Convention on Climate Change (UNFCCC) outlines goals to reduce its economy's carbon emissions intensity by 33-35 percent by 2030 and increase clean energy electricity capacity to 40 percent of total installed capacity during the same time period.

Locations of Nuclear Power Plants

Planned in India

Proposed in India

Locations of Uranium Resources

Government Initiatives

• India's nuclear power program is largely self-sufficient.
• As part of its massive infrastructure development program, the Indian government is committed to increasing nuclear power capacity.
• The government has set lofty goals for increasing nuclear power capacity.
• Because India is not a signatory to the Nuclear Non-Proliferation Treaty due to its weapons program, it has been largely excluded from nuclear plant and material trade for 34 years, which has hampered its civil nuclear energy development until 2009.
• India has developed a nuclear fuel cycle to exploit its thorium reserves due to earlier trade bans and a lack of indigenous uranium.
• In India, civil nuclear power is well established.
• Its civil nuclear strategy has been directed toward complete independence in the nuclear fuel cycle since the 1960s when it built two small boiling water reactors at Tarapur.

Advantages

• Nuclear power is a clean, zero-emission energy source. Without the harmful byproducts emitted by fossil fuels, the heat released by fission is used to create steam, which spins a turbine to generate electricity.
• Nuclear energy produces more electricity on less land than any other clean-air source, despite producing massive amounts of carbon-free energy.
• The density of nuclear fuel is extremely high.
• It's about a million times greater than other traditional energy sources, so the amount of nuclear fuel used isn't as large as one might think.
• That waste can also be reprocessed and recycled.
• Nuclear energy's advantages go far beyond carbon-free electricity.
• Nuclear energy is used to power space exploration, sterilize medical equipment, produce potable water through desalination, and provide radioisotopes for cancer treatment, among other things.

Disadvantages

• Nuclear energy is a "clean" source of energy, but it is not technically renewable.
• The fuel for current nuclear technology is uranium ore, which is found in limited quantities in the earth's crust.
• The longer we rely on nuclear power (and, in particular, uranium ore), the more depleted the earth's uranium resources become, raising the cost of extraction as well as the negative environmental impacts of mining and processing uranium.
• Operating a nuclear power plant is a relatively low-cost endeavor, but constructing one is extremely costly.
• Nuclear reactors are complex devices that necessitate numerous levels of safety, which drives up the cost of new nuclear plants.
• Nuclear waste is radioactive, making it a potential environmental and health disaster.
• These are the very reasons why governments spend so much money safely packaging and disposing of spent nuclear fuel.
• Yes, nuclear waste is a dangerous by-product of nuclear power plants, and properly handling it necessitates extreme caution and advanced technology.
• A nuclear meltdown occurs when the amount of heat generated by a nuclear reactor exceeds the amount of heat transferred out by the cooling systems, causing the system to melt.
• If this happens, hot radioactive vapors can escape, causing nuclear power plants to fully melt and combust, as well as releasing dangerous radioactive materials into the environment.
• This is a worst-case scenario that is extremely unlikely, and nuclear power plants have numerous safety features in place to prevent meltdowns.

Challenges

• Public Awareness: The general public sometimes views commercial nuclear power as a dangerous or unstable process.
• This perception is frequently based on three global nuclear accidents, its erroneous association with nuclear weapons, and other factors.
• Transportation, storage, and disposal of used fuel: Many people see used fuel as a growing problem and are concerned about how it will be transported, stored, and disposed of.
• Operating Costs are Expensive: The nuclear industry is struggling to compete due to difficult market conditions.
• Strict regulations on maintenance, staffing levels, operator training, and plant inspections have cost the industry a lot of money.
• Lack of public funding: Nuclear power has never received the same level of generous subsidies that fossil fuels and renewables have received in the past and are receiving now.
• Nuclear power will struggle to compete against natural gas and renewables in the future if it does not receive government funding.
• Investors' Poor Financial Situation: The dire financial situation of foreign companies (Toshiba-Westinghouse and Areva) planning to build nuclear power plants in India contributed to the failure of nuclear energy as a priority resource for India.
• The very survival of these businesses is in jeopardy today, as they are either indebted to the government or have lost value due to competition.
• Grassroots Resistance: In India, opposition to new nuclear power plants has resulted in a significant delay in the commissioning of the Kudankulam plant, as well as the relocation of Westinghouse's first planned project from Gujarat to Andhra Pradesh.
• Land acquisition is also a major issue in the country, as is the selection of a location for a nuclear power plant (NPP).
• Due to land acquisition challenges, NPPs such as Kudankulam in Tamil Nadu and Kovvada in Andhra Pradesh have experienced several delays.

Conclusion

The solution to various challenges is to use technology to solve problems caused by technology, rather than avoid technology altogether. For example, India's Integrated Nuclear Recycle Plant (INRP) has invested a significant amount of money in its recycling program. When it comes to nuclear power, India has a strong safety culture, which works in our favor. As a result, India has a lot going for it when it comes to nuclear power generation.

FAQs

Question: What are nuclear energy resources?

Question: How does nuclear energy work?

Question: What are the environmental benefits of using nuclear energy?

Question: What are some of the challenges associated with nuclear energy?

Question: Is nuclear energy renewable?

MCQs

1. Nuclear energy is primarily generated through:

A) Nuclear fusion

B) Combustion of coal

C) Nuclear fission

D) Wind turbines

2. The most commonly used fuel in nuclear reactors is:

A) Coal

B) Uranium

C) Natural gas

D) Thorium

3. A major environmental benefit of nuclear energy is:

A) High greenhouse gas emissions

B) Low greenhouse gas emissions during operation

C) Production of fossil fuels

D) No radioactive waste generation

4. One of the key challenges of nuclear energy is:

A) Easy disposal of radioactive waste

B) High carbon footprint

C) Management of radioactive waste and safety concerns

D) Low energy density

5. Which of the following is considered an alternative nuclear fuel?

A) Petroleum

B) Thorium

C) Wood

D) Hydrogen

GS Mains Questions and Model Answers

Q1: Discuss the role of nuclear energy resources in achieving sustainable energy goals.

Answer: Nuclear energy resources play a significant role in achieving sustainable energy goals by providing a low-carbon and high-energy output source of electricity. Unlike fossil fuels, nuclear power does not emit greenhouse gases during operation, making it a crucial tool in combating climate change. Its high energy density ensures that a small amount of fuel produces a large amount of energy, reducing the demand for extensive raw materials. However, challenges such as radioactive waste management, high initial costs, and safety concerns must be addressed. With advancements in technology, including next-generation reactors and better waste disposal methods, nuclear energy can be a sustainable component of a diversified energy mix that supports global climate and energy targets.

Q2: Evaluate the advantages and disadvantages of using nuclear energy as a source of power.

Answer: The advantages of using nuclear energy include its ability to generate large amounts of electricity with minimal greenhouse gas emissions, contributing to cleaner air and climate change mitigation. Nuclear power provides a stable and reliable source of energy, reducing dependence on fossil fuels. However, the disadvantages include high construction and maintenance costs, challenges related to the disposal and storage of radioactive waste, the potential risk of nuclear accidents, and public opposition due to safety concerns. Effective regulatory oversight, technological advancements, and comprehensive waste management strategies are necessary to balance these advantages and disadvantages for safe and sustainable nuclear power use.

Q3: Analyze the potential of thorium as a nuclear fuel for India’s energy security.

Answer: Thorium holds significant potential as a nuclear fuel for enhancing India's energy security due to its abundance in the country. Compared to uranium, thorium is more widely available and offers advantages such as lower nuclear waste production, greater safety, and reduced risk of proliferation. India's three-stage nuclear power program envisions the utilization of thorium to create a sustainable and secure nuclear energy base. However, challenges such as developing thorium-based reactor technology, high initial costs, and international collaboration for technology transfer need to be addressed. Successful harnessing of thorium can diversify India’s energy mix and contribute to long-term energy security and sustainability.

Previous Year Questions on Nuclear Energy Resources

1. UPSC CSE 2020

Question: Assess the role of nuclear energy in reducing carbon emissions and achieving climate goals.

Answer: Nuclear energy plays a critical role in reducing carbon emissions by providing a stable and low-carbon source of electricity. Unlike fossil fuel-based power plants, nuclear reactors produce energy without emitting greenhouse gases during operation, making them valuable for achieving climate goals. By reducing reliance on coal and natural gas, nuclear power contributes to cleaner air and lower carbon footprints. Countries with significant nuclear energy capacity, such as France, have achieved notable reductions in greenhouse gas emissions. However, challenges related to nuclear waste management and safety must be carefully managed to ensure nuclear energy’s continued contribution to climate goals without compromising environmental and human health.

2. UPSC CSE 2019

Question: Discuss the challenges and opportunities associated with nuclear energy development in India.

Answer: Nuclear energy development in India presents both challenges and opportunities. On the one hand, nuclear power offers a clean and stable source of energy that can reduce dependence on imported fossil fuels and support economic growth. India’s abundant thorium reserves provide an opportunity for the development of a sustainable and indigenous nuclear fuel cycle. On the other hand, challenges include high capital costs, public concerns about safety, regulatory hurdles, and the need for advanced technology. Effective regulatory frameworks, international collaboration, and public engagement are necessary to harness the full potential of nuclear energy while addressing safety and environmental concerns.