India's nuclear power sector is expanding rapidly, with an installed capacity of 8.78 GW from 24 reactors as of late 2025. As the fifth largest electricity source, it contributes ~3% to the national mix, with plans to reach over 22 GW by 2031-32 through indigenous PHWRs and international partnerships.

India's nuclear power sector is expanding rapidly, with an installed capacity of 8.78 GW from 24 reactors as of late 2025. As the fifth largest electricity source, it contributes ~3% to the national mix, with plans to reach over 22 GW by 2031-32 through indigenous PHWRs and international partnerships. 

Key Aspects of India's Nuclear Energy:
Capacity Expansion: -
Nuclear capacity grew over 70% in the last decade, with 11 additional reactors (totaling 8.7 GW) currently under construction.
Indigenous Technology: 
 India uses a three-stage program focused on utilizing its vast thorium reserves. The program is largely run by the Nuclear Power Corporation of India Limited (NPCIL).
Private Sector Participation: -
A major policy shift in late 2025 allows private investment in nuclear energy to accelerate growth, targeting 100 GW by 2047.
Cost and Efficiency: -
Nuclear power is considered a cost-competitive base load energy source, with some plants producing power at very low rates.
Major Reactors: -
Key facilities include Tarapur Atomic Power Station (TAPS), Kudankulam Nuclear Power Plant, and Kaiga Generating Station. 
India is the only developing nation with a fully indigenous, established three-stage nuclear power program, which, despite previous international embargoes, has achieved high operational maturity. 
Bhabha Atomic Research Centre (BARC) 
Nuclear energy significantly reduces carbon dioxide CO2 emissions by providing a large-scale, reliable, low-carbon source of electricity that displaces the burning of fossil fuels. 

MJF Lion ER YK Sharma 

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