🔆 STRUCTURAL OBSTACLES TO INDIA’S NUCLEAR ENERGY GROWTH

📍 1. Capital Intensity and Financing Risks
🟢 Nuclear projects require huge upfront investment and long construction periods before revenue generation.
🟢 Kudankulam Units 3–4: Approved cost increased from ₹39,849 crore to ₹68,893 crore—approximately 73% escalation.
🟢 Uncertain financing and tariff competitiveness affect investment decisions.

📍 2. Construction Delays and Execution Bottlenecks
🟢 Delays arise from specialised equipment shortages, contractor cash-flow issues and skilled-worker shortages.
🟢 Kaiga Units 5–6: Commissioning dates were postponed by five years, to June 2031 and June 2032, respectively.

📍 3. Uranium Import Dependence
🟢 India’s domestic uranium deposits are relatively low-grade, making extraction costly and energy-intensive.
🟢 India imported 18,842 metric tonnes of uranium products during 2008–09 to 2024–25.
🟢 Dependence on imports creates exposure to geopolitical tensions and supply-chain disruptions.

📍 4. Regulatory and Nuclear Liability Challenges
🟢 The SHANTI Act, 2025 provides a framework for private participation, subject to government licensing and safety authorisation.
🟢 Operator liability ranges from ₹100 crore to ₹3,000 crore, depending on installation category.
🟢 Regulatory capacity, safety oversight and clarity over liability remain important.

📍 5. Nuclear Waste Management
🟢 Safe reprocessing and long-term isolation of high-level radioactive waste remain major challenges.
🟢 India uses monitored interim storage but has not yet operationalised a deep geological repository (DGR).
🟢 Public opposition complicates waste-storage site selection.

📍 6. Slow Progress in Thorium Technology
🟢 India’s three-stage nuclear programme depends on fast breeder reactors and eventual thorium utilisation.
🟢 Sodium-cooled reactor engineering, fuel reprocessing and safety validation create technological hurdles.
🟢 Despite substantial thorium reserves, commercial-scale thorium power generation remains a long-term goal.

📍 7. Land Acquisition and Public Resistance
🟢 Displacement, livelihood concerns, ecological sensitivity and safety fears delay projects.
🟢 Chutka Nuclear Power Project, Madhya Pradesh, has faced prolonged pre-project delays.
🟢 Protests at Kudankulam and Jaitapur reflect concerns about radiation, seismic safety and marine ecosystems.

📍 8. Cooling-Water and Climate Constraints
🟢 Nuclear plants require reliable cooling-water supplies throughout their operating lives.
🟢 Heatwaves, droughts, floods and storms can threaten generation and supporting infrastructure.
🟢 Water allocation and ecological impacts must be carefully managed.

📍 9. NSG and Technology-Transfer Barriers
🟢 India’s non-membership in the Nuclear Suppliers Group (NSG) limits seamless access to certain global nuclear technologies.
🟢 Export controls on specialised materials, alloys and instrumentation create procurement challenges.
🟢 Technology cooperation often depends on bilateral agreements.

📍 10. Small Modular Reactor (SMR) Commercialisation
🟢 India targets five indigenous SMRs by 2033.
🟢 Proposed designs include BSMR-200 (220 MWe) and SMR-55 (55 MWe).
🟢 Cost competitiveness depends on standardised manufacturing, repeat orders and successful first-of-a-kind deployment.

🔆 UPSC MAINS QUESTION
📍 What are the major structural challenges facing India’s nuclear energy sector? Suggest measures to achieve safe, affordable and sustainable nuclear power expansion.

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