India’s 100 GWe Nuclear Ambition by 2047: Strategic Trajectory, Present Energy Mix, Data-Centre Power Surge, and Financial Frameworks

Ashokaditya Prakash Dhurandhar

doi:10.36948/ijfmr.2026.v08i04.85925

India’s 100 GWe Nuclear Ambition by 2047: Strategic Trajectory, Present Energy Mix, Data-Centre Power Surge, and Financial Frameworks

Author(s)	Dr. Ashokaditya Prakash Dhurandhar
Country	India
Abstract	India has formally adopted a long-range nuclear expansion pathway targeting 100 GWe of installed nuclear capacity by 2047 under the Nuclear Energy Mission announced in the Union Budget 2025–26. The same policy framework aims for at least five indigenous small modular reactors (SMRs) by 2033 and projects nuclear capacity rising from the present 8.78 GW to approximately 22.38 GW by 2031–32. This marks a structural shift in the role of nuclear power—from a limited supplementary source to a potential pillar of firm, low-carbon baseload generation. The strategic rationale is reinforced by two concurrent developments. First, India’s electricity system has already crossed the point at which non-fossil capacity exceeds half of total installed capacity: as of June 2026, non-fossil sources stood at 297.36 GW within a total system of roughly 540–548.8 GW (Ministry of New and Renewable Energy [MNRE], 2026; Press Information Bureau [PIB], 2026). Second, the rapid growth of hyperscale data centres and AI-driven computing is generating a new class of round-the-clock electricity demand, with operational data centre capacity projected to reach 12 GW by 2030 and AI-related facilities expected to add substantial peak-load pressure (Wood Mackenzie, as cited in Economic Times, 2026; Indian Express, 2026). The 100 GWe objective is technically plausible but execution-intensive. Its feasibility hinges on sustained fleet-mode construction, uranium supply security, progress on the three-stage fuel cycle (including the long-delayed Prototype Fast Breeder Reactor and eventual thorium utilisation), legal and liability reform, coordinated financing models, and timely deployment of both large reactors and modular systems. Historical experience shows that India’s nuclear programme has repeatedly fallen short of announced targets (Khan, 2024); the new mission therefore represents not only a technological challenge but also an institutional, financial, and geopolitical test.
Keywords	Nuclear Energy Mission; 100 GWe target; India nuclear capacity 2047; Small Modular Reactors (SMRs); PHWR; three-stage nuclear programme; thorium fuel cycle; Prototype Fast Breeder Reactor; non-fossil capacity; energy transition; firm low-carbon baseload; data-centre power demand; AI power demand; grid stability; NPCIL; uranium supply security; nuclear liability reform; Viksit Bharat; net-zero pathway
Field	Engineering
Published In	Volume 8, Issue 4, July-August 2026
Published On	2026-08-16
DOI	https://doi.org/10.36948/ijfmr.2026.v08i04.85925

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India’s 100 GWe Nuclear Ambition by 2047: Strategic Trajectory, Present Energy Mix, Data-Centre Power Surge, and Financial Frameworks

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