GS3 · Topic
Energy
Coal, oil and gas, nuclear, and the transition to renewables: solar, wind, green hydrogen, storage, grid and energy security.
88 UPSC Mains GS3 questions on Energy that toppers answered in test series, CSE 2017–2025, most answered first. Open one to see how toppers opened, built and closed it.
"Green hydrogen can be the silver bullet in our quest to tackle climate change and pollution". Critically analyze the statement in light of India's National Green Hydrogen mission.
10 marks · 150 words · Answered by 13 toppers · CSE 2022–2025
EnergyClimate Change
What do you understand by Battery Energy Storage Systems (BESS)? Discuss its applications and how it can revolutionize the energy program of India.
10 marks · 150 words · Answered by 13 toppers · CSE 2022–2025
EnergyInfrastructure
Electricity Amendment Bill, 2022 brings several advantages for consumers, DISCOMs as well as the environment. Elaborate. Also, list out its shortcomings and suggest some measures to overcome them.
15 marks · 250 words · Answered by 13 toppers · CSE 2022–2025
EnergyInfrastructure
How India benefitted strategically from the contributions of Dr. Homi Jehangir Bhabha and Dr. Vikram Ambalal Sarabhai in the fields of atomic energy and space technology respectively?
15 marks · 250 words · Answered by 13 toppers · CSE 2022–2025
Indigenisation and Defence TechnologySpace Technology
Examine the key features of the Carbon Credit Trading Scheme (CCTS) 2023. Analyze its potential for mitigating greenhouse gas emissions in India.
10 marks · 150 words · Answered by 10 toppers · CSE 2022–2025
Climate ChangeEnvironmental Governance
Evaluate the potential of biomanufacturing and bio-foundry in driving India's future towards a sustainable green economy.
10 marks · 150 words · Answered by 9 toppers · CSE 2022–2025
BiotechnologyClimate Change
Explain the aims and objectives of the recently launched BioE3 policy. How can the policy help in ensuring "green growth" of the economy?
15 marks · 250 words · Answered by 6 toppers · CSE 2023–2025
BiotechnologyInclusive Growth
What do you understand from Green growth? With special reference to the budget 2023-2024, discuss various government measures to propel green growth in the country.
10 marks · 150 words · Answered by 6 toppers · CSE 2020–2023
EnergyFiscal Policy and Budgeting
How does nuclear fusion differ from nuclear fission? Assess the relevance of nuclear energy in resolving the global energy security dilemma?
10 marks · 150 words · Answered by 5 toppers · CSE 2023
EnergyEmerging Technologies
Give an account of the evolution of India's 3-Stage Nuclear Power Programme. What are the advantages and strategic imperatives of realising the thorium-based third stage?
15 marks · 250 words · Answered by 4 toppers · CSE 2023–2025
EnergyIndigenisation and Defence Technology
What are run of the river hydroelectric projects? How far can run of the river hydroelectric projects balance ecological conservation with socio-economic development?
10 marks · 150 words · Answered by 4 toppers · CSE 2023
EnergyBiodiversity and Conservation
Discuss the factors that have aided India in making impressive strides in the renewable energy sector and establishing itself as a frontrunner in the global renewable energy transition.
15 marks · 250 words · Answered by 4 toppers · CSE 2024–2025
EnergyClimate Change
How does the Green Credit Programme extend beyond carbon management to promote a more sustainable environment in India? What are the various concerns about its implementation?
10 marks · 150 words · Answered by 4 toppers · CSE 2024–2025
Environmental GovernanceClimate Change
In line with the country's efforts to explore the depths of the ocean and harness the resources it holds, the Indian government has proposed a deep-sea exploration mission Samudrayaan. How can this mission contribute to the advancement of ocean science and technology in the country?
10 marks · 150 words · Answered by 4 toppers · CSE 2023
Indigenisation and Defence TechnologySpace Technology
Examine the role that green hydrogen can play in unlocking the energy security of India. How can the National Green Hydrogen Mission help India in achieving its energy goals?
15 marks · 250 words · Answered by 4 toppers · CSE 2023–2025
EnergyInfrastructure
Explain the significance of the Fast Breeder Reactor (FBR) in achieving the goals of India's Nuclear energy program.
10 marks · 150 words · Answered by 4 toppers · CSE 2024–2025
EnergyIndigenisation and Defence Technology
Energy storage technology is one of the major components of renewable energy integration and decarbonization of world energy systems. Briefly discuss any three such technologies, citing their key merits and demerits.
15 marks · 250 words · Answered by 3 toppers · CSE 2025
EnergyInfrastructure
Why retrofitting Electrostatic Precipitators (ESPs) in Indian thermal power plants is a more viable and effective option compared to the installation of flue gas desulfurization (FGD) systems?
10 marks · 150 words · Answered by 3 toppers · CSE 2017–2025
PollutionEnergy
How can biomanufacturing transform today's consumptive manufacturing paradigm to the one based on regenerative principles? Also discuss how BioE3 Policy (Biotechnology for Economy, Environment, and Employment) aims to foster biomanufacturing in the country.
15 marks · 250 words · Answered by 3 toppers · CSE 2017–2025
BiotechnologyIndustrial Policy and Liberalisation
Recently, scientists announced net energy gain in nuclear fusion reaction, which is considered as a major scientific breakthrough for the future of clean energy. What are the advantages of nuclear fusion based power generation? What are the limitations in using it to generate electricity at a commercial scale?
15 marks · 250 words · Answered by 3 toppers · CSE 2023–2025
EnergyEmerging Technologies
In light of recent Budget 2025 allocations and the push for green infrastructure, analyze how Viability Gap Funding can be leveraged to promote renewable energy projects.
10 marks · 150 words · Answered by 3 toppers · CSE 2024–2025
Investment ModelsEnergy
Promotion of Methanol Economy is the best pathway to realize the development imperatives of India while maintaining environmental sustainability'. Discuss.
15 marks · 250 words · Answered by 2 toppers · CSE 2022
EnergyInfrastructure
Coal sector in India has shown great improvements but it is still not free from all problems. Comment.
10 marks · 150 words · Answered by 2 toppers · CSE 2024
EnergyIndustrial Policy and Liberalisation
Hydrogen based energy production can play a key role in a clean, secure and affordable energy future. In this context, identify the potential and opportunities for utilising hydrogen based technologies. What are the challenges that need to be addressed to fullfill the potential?
15 marks · 250 words · Answered by 2 toppers · CSE 2022
EnergyInfrastructure
Compare and contrast offshore and onshore wind energy in terms of their benefits, challenges, and environmental impacts.
10 marks · 150 words · Answered by 2 toppers · CSE 2024
EnergyInfrastructure
What are the key objectives of the National Green Hydrogen Mission, and how is it expected to impact India’s transition to a low-carbon economy?
10 marks · 150 words · Answered by 2 toppers · CSE 2024
EnergyClimate Change
Solar power sector is not only leading the mitigation efforts against climate change, but the innovations in solar power can also accelerate adaptation of agriculture to a new reality of changed climate. Discuss.
10 marks · 150 words · Answered by 1 topper · CSE 2023
EnergyClimate Change
Briefly examine the rationale behind the formation of International Solar Alliance (ISA). How can ISA help bring down the cost of solar energy?
Answered by 1 topper · CSE 2017
EnergyTrade and Foreign Investment
Discussing the need for 'National Electric Mobility Mission Project' analyse why electric vehicles have not taken off in India and suggest potential solutions.
10 marks · 150 words · Answered by 1 topper · CSE 2018
EnergyInfrastructure
Green hydrogen can be the engine of a sustainable economy, but it would require crossing financial and technological barriers. Discuss the reasons for increasing interest in green hydrogen and challenges in its adoption as the fuel of the future.
15 marks · 250 words · Answered by 1 topper · CSE 2023
EnergyInfrastructure