{"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":"rooppur-1","name":"Rooppur-1","plant":"Rooppur","unit":1,"country":"BD","region":"asia","reactor_type":"PWR","design":"VVER-1200","capacity_mw_net":1080,"is_smr":false,"vendor":"Rosatom","owner_operator":"Bangladesh Atomic Energy Commission","vendor_id":"org:rosatom","owner_operator_ids":["org:baec"],"design_id":"design:vver-1200","site_id":"site:rooppur","status":"commissioning","construction_start":"2017-11-30","original_cod_target":2023,"current_cod_estimate":2026,"milestones":[{"date":"2017-11-30","event":"First concrete, Unit 1","source":"https://pris.iaea.org/pris/"},{"date":"2023-10-05","event":"First fuel delivered to site","source":"https://world-nuclear-news.org/"},{"date":"2026-04-28","event":"Stage-B fuel loading began","source":"https://www.world-nuclear-news.org/articles/rooppur-unit-1-completes-key-commissioning-test"},{"date":"2026-06-20","event":"Grid connection expected end of August 2026 at ~300 MW initial output (minister statement)","source":"https://www.tbsnews.net/bangladesh/energy/rooppur-nuclear-plant-supply-300mw-national-grid-end-august-minister-tells"},{"date":"2026-09-04","event":"Minister announces grid supply delayed: two of three safety valves (PORVs) failed to open automatically at test temperature; commissioning halted before criticality stage; no new timeframe given","source":"https://www.newagebd.net/post/business-front/312342/rooppur-power-supply-delayed-over-safety-valve-defect-minister"},{"date":"2026-09-10","event":"Minister update: one of three PORVs functioning; faulty valves repeatedly inspected/reassembled over past 1.5 months with five Russian specialists on site; September grid supply missed; commissioning halted at critical stage","source":"https://energybangla.com/rooppur-fire-minor-incident-grid-power-timeline-uncertain/"}],"sources":["https://world-nuclear.org/information-library/current-and-future-generation/plans-for-new-reactors-worldwide","https://pris.iaea.org/pris/","https://www.newagebd.net/post/business-front/312342/rooppur-power-supply-delayed-over-safety-valve-defect-minister","https://en.prothomalo.com/bangladesh/3fhten75fw","https://energybangla.com/rooppur-fire-minor-incident-grid-power-timeline-uncertain/","https://world-nuclear-news.org/articles/nuclear-fuel-loading-completed-at-rooppur-1"],"last_verified":"2026-09-15","verified":true,"confidence":"high","notes":"Bangladesh newcomer program. End-August 2026 grid connection target MISSED: fuel loading (all 163 assemblies) completed May 2026, but two of three PORV safety valves failed automatic-open tests; each repair/retest cycle takes ~1.5 months (New Age, Prothom Alo, TBS, Energy Bangla, Sep 2026). Minister declined a revised date; Q4 2026 grid connection is an inference — commercial operation likely 2027 if commissioning resumes in Q4. Minor fire 2026-09-07 at temporary project office had no nuclear safety significance.","tags":["bangladesh","rosatom","vver","newcomer-country"],"updated_at":"2026-09-15","slippage_years":3}}