{"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":"leningrad-ii-3","name":"Leningrad II-3","plant":"Leningrad II","unit":3,"country":"RU","region":"europe","reactor_type":"PWR","design":"VVER-1200","capacity_mw_net":1110,"is_smr":false,"vendor":"Rosatom","owner_operator":"Rosenergoatom","vendor_id":"org:rosatom","owner_operator_ids":["org:rosenergoatom"],"design_id":"design:vver-1200","site_id":"site:leningrad-ii","status":"under_construction","construction_start":2024,"original_cod_target":null,"current_cod_estimate":2029,"milestones":[{"date":"2026-06-16","event":"Listed as under construction in the WNA world table, grid connection estimated 2029","source":"https://world-nuclear.org/information-library/current-and-future-generation/plans-for-new-reactors-worldwide"},{"date":"2026-06-15","event":"Core catcher installation completed","source":"https://www.nucnet.org/news/installation-of-core-catcher-completed-at-russia-s-leningrad-2-3-nuclear-plant-6-1-2026"}],"sources":["https://world-nuclear.org/information-library/current-and-future-generation/plans-for-new-reactors-worldwide","https://pris.iaea.org/pris/","https://www.nucnet.org/news/installation-of-core-catcher-completed-at-russia-s-leningrad-2-3-nuclear-plant-6-1-2026"],"last_verified":"2026-09-28","verified":true,"confidence":"medium","notes":"Cooling-tower colonnade work began Apr 2026 (Rosenergoatom operator-single-source) — noted, not asserted. Core catcher installed Jun 2026 (NucNet). Replacement VVER-1200s for RBMK units 3&4; 2030/2032 commissioning per Titan-2/Rosenergoatom.","tags":["ru","vver-1200"],"updated_at":"2026-09-28","slippage_years":null}}