{"docs":"https://www.nuclearnewsnetwork.com/tracker","terms":"History surfaces — append-only milestone logs, event/change feeds, and full JSON snapshots — are provided under the NNN Data License Terms (https://www.nuclearnewsnetwork.com/data-license): journalism, research, citation and AI answering are expressly permitted royalty-free with attribution; systematic bulk extraction, dataset redistribution, and embedding in commercial products or training corpora require a commercial license.","terms_url":"https://www.nuclearnewsnetwork.com/data-license","attribution":{"text":"Nuclear News Network, \"NNN Reactor Project Tracker\", https://www.nuclearnewsnetwork.com/tracker","url":"https://www.nuclearnewsnetwork.com/tracker"},"unit":{"slug":"kudankulam-4","name":"Kudankulam-4","plant":"Kudankulam","unit":4,"country":"IN","region":"asia","reactor_type":"PWR","design":"VVER-1000","capacity_mw_net":917,"is_smr":false,"vendor":"Rosatom","owner_operator":"NPCIL","epc":"JSC ASE (Rosatom Engineering Division)","vendor_id":"org:rosatom","owner_operator_ids":["org:npcil"],"epc_ids":["org:atomstroyexport"],"design_id":"design:vver-1000","site_id":"site:kudankulam","status":"under_construction","construction_start":"2017-10-23","original_cod_target":null,"current_cod_estimate":2027,"milestones":[{"date":"2017-10-23","event":"Construction start (first concrete)","source":"https://pris.iaea.org/pris/"},{"date":"2026-06-16","event":"Listed as under construction in the WNA world table, grid connection estimated 2027","source":"https://world-nuclear.org/information-library/current-and-future-generation/plans-for-new-reactors-worldwide"},{"date":"2026-06-12","event":"TVEL completes manufacture of the initial fuel load for unit 4 at Elektrostal MSZ; accepted by NPCIL (unit-3 fuel delivered Dec 2025; Phase 2 construction progress exceeds 80%)","source":"https://www.neimagazine.com/news/kudankulam-4-fuel-loaded/"}],"sources":["https://world-nuclear.org/information-library/current-and-future-generation/plans-for-new-reactors-worldwide","https://pris.iaea.org/pris/","https://www.neimagazine.com/news/kudankulam-4-fuel-loaded/"],"last_verified":"2026-09-28","verified":true,"confidence":"medium","notes":"Rosatom CEO Likhachev (2026-09-14, single source): unit-3 physical startup spring 2027, unit-4 commissioning ops begin end-2027, units 5&6 in 2028-29 — corroborates current COD estimate 2027, not asserted. TVEL fuel milestone needs TVEL-release confirmation for high confidence.","tags":["in","vver-1000"],"updated_at":"2026-09-28","slippage_years":null}}