A detailed submission sent to senior members of the Union government has urged a fundamental rethink of India’s massive nuclear‑power expansion plans, warning that current targets are “highly unrealistic”, economically risky, environmentally unsound and socially contentious. The letter—addressed to the Minister of State for Atomic Energy and the Vice‑Chairperson of NITI Aayog, with copies to the Prime Minister—argues that India’s electricity future must be shaped by “unambiguous evidence, economics, ecological sustainability, social justice and technological realism,” not predetermined nuclear‑capacity targets.
The submission notes that India’s present nuclear capacity stands at 8.78 GW, yet the government has recently shifted to an ambitious 100 GW target by 2047. This contrasts sharply with the Department of Atomic Energy’s earlier 2008 projection of 275 GW by 2050, a figure the author calls “completely unrealistic” given that India has built only 22 reactors in about 50 years.
“The enormity of the task… should become evident,” the letter, written by Shankar Sharma, climate and power policy expert, states, adding that achieving 275 GW would require about 390 reactors, many likely sited along India’s coastline due to massive cooling‑water requirements.
The submission warns that even the scaled‑down 100 GW target would require adding 4,500 MW every year for 21 years, without clarity on reactor technology, fuel sources or financing. It cites the Planning Commission’s earlier finding that India’s domestic uranium reserves can support only 10,000 MW, raising questions about long‑term import dependence and its compatibility with national self‑reliance goals.
The author lists a wide range of constraints associated with large‑scale nuclear expansion, including high capital costs, long construction timelines, imported technologies, land and water pressures, emergency‑preparedness challenges, radioactive‑waste management, decommissioning liabilities, and the “potentially catastrophic consequences” of accidents. The letter also highlights growing public opposition to nuclear and pumped‑storage projects, particularly in Karnataka, and criticises the lack of government engagement with civil‑society concerns.
In contrast, the submission argues that India possesses “an extraordinary range of renewable‑energy resources” that can be deployed rapidly, locally and with far lower environmental and financial risks. Distributed solar, wind, small hydro and biomass—combined with storage, smart grids and demand‑side management—are described as mature, scalable and aligned with public participation through prosumer models.
The letter calls for three major policy actions:
1. An independent National Nuclear Options Review, led by a multidisciplinary committee including nuclear engineers, economists, environmental scientists, disaster‑management experts, renewable‑energy specialists and civil‑society representatives.
2. Mandatory technology‑neutral comparisons of every proposed nuclear project against renewable‑energy and storage alternatives.
3. Minimising risks associated with untested technologies such as SMRs, thorium reactors and fusion systems.
The central proposition, the author writes, is that India should not ask how many nuclear reactors it can build, but how much reliable electricity it can provide at the lowest full societal cost and with the least irreversible risk. A comprehensive, transparent national assessment, he argues, is essential before committing “hundreds of thousands of crores” to nuclear expansion.
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