# Kudankulam Nuclear Power Plant — India's Largest Nuclear Plant

**URL:** https://thecodex.expert/energy/nuclear/plants/kudankulam/
**Session:** 27 | **Date:** 2026-05-05

## Summary

Kudankulam Nuclear Power Plant (8.17N 77.72E), Tirunelveli, Tamil Nadu, India. India's largest nuclear plant. Units 1+2: 2 × VVER-1000/412 (AES-92, Rosatom), each 1,000 MW gross. Unit 1: December 2013. Unit 2: March 2016. Units 3+4: VVER-1000/491 (AES-2006, enhanced safety), under construction, target 2026-27. Planned 6 units total = 6,000 MW. NPCIL operator, Rosatom technology partner, TVEL Russian fuel supplier. India-Russia cooperation: original 1988 Indo-Soviet agreement. Tamil Nadu fishing community protests 2010-2012 (post-Fukushima, largest Indian anti-nuclear movement), Supreme Court clearance May 2013. Strategic question: fuel supply from Russia, post-2022 sanctions risk. BHEL manufactures turbine-generators locally. Sources: NPCIL AR 2023, AERB India, Rosatom India.