Why in News?
- NTPC Ltd., India's state-owned power giant, partnered with CCTE to explore ANEEL development and deployment in Pressurized Heavy Water Reactors (PHWRs).
Key Features
- ANEEL blends thorium with high-assay low-enriched uranium (HALEU), enabling use in existing PHWRs without major modifications.
- Higher melting point and lower operating temperatures improve safety and meltdown resistance.
- Spent fuel is denatured, providing proliferation resistance as it's unsuitable for weapons.
Benefits
- Reduces power costs by 20-30% and waste by over 85% via higher burnup (220 MW PHWR needs 22,000 vs. 175,000 bundles).
- Leverages India's vast thorium reserves (1.07 million tonnes), cutting uranium import reliance and supporting the three-stage nuclear program.
- Lowers operational costs, boosts energy output, and aids decarbonization for industries like data centers.
Challenges
- Faces regulatory hurdles, technical integration issues, and economic barriers for large-scale PHWR deployment.
- India prioritizes closed fuel cycles with natural uranium; ANEEL is exploratory, not replacing current fuels.
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