Story perspectives

India's Fast Breeder Reactor Achieves Criticality, Boosts Energy Self-Reliance

4/16/2026

Summary

Story summary

India achieved criticality at the Kalpakkam prototype fast breeder reactor in Tamil Nadu.
Thorium reserves account for about 25% of global deposits.
Prime Minister Narendra Modi said development enhances energy self-reliance and supports net-zero by 2070.
Once fully operational, India will be the second country after Russia to operate a commercial fast breeder reactor, reducing its dependence on imported fuel.
The project has been in development since 2004.

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Story summary

India achieved criticality at the Kalpakkam prototype fast breeder reactor in Tamil Nadu.
Thorium reserves account for about 25% of global deposits.
Prime Minister Narendra Modi said development enhances energy self-reliance and supports net-zero by 2070.
Once fully operational, India will be the second country after Russia to operate a commercial fast breeder reactor, reducing its dependence on imported fuel.
The project has been in development since 2004.