{"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":"changjiang-3","name":"Changjiang-3","plant":"Changjiang","unit":3,"country":"CN","region":"asia","reactor_type":"PWR","design":"Hualong One","capacity_mw_net":1090,"is_smr":false,"vendor":"CNNC","owner_operator":"Huaneng & CNNC","vendor_id":"org:cnnc","owner_operator_ids":["org:huaneng","org:cnnc"],"design_id":"design:hualong-one","site_id":"site:changjiang","status":"commercial_operation","construction_start":"2021-03-31","original_cod_target":null,"current_cod_estimate":2026,"milestones":[{"date":"2021-03-31","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 2026","source":"https://world-nuclear.org/information-library/current-and-future-generation/plans-for-new-reactors-worldwide"},{"date":"2026-08-01","event":"Grid connection and first electricity supply reported","source":"https://www.nucnet.org/news/china-s-changjiang-3-nuclear-power-plant-connected-to-grid-8-1-2026"},{"date":"2026-09-17","event":"Entered commercial operation (third unit at Changjiang site)","source":"https://www.world-nuclear-news.org/articles/third-unit-at-changjiang-site-commissioned"}],"sources":["https://world-nuclear.org/information-library/current-and-future-generation/plans-for-new-reactors-worldwide","https://pris.iaea.org/pris/","https://pris.iaea.org/PRIS/CountryStatistics/CountryDetails.aspx?current=CN","https://www.nucnet.org/news/china-s-changjiang-3-nuclear-power-plant-connected-to-grid-8-1-2026","https://www.world-nuclear-news.org/articles/third-unit-at-changjiang-site-commissioned","https://www.nucnet.org/news/china-s-chiangjiang-3-hualong-one-reactor-begins-commercial-operation-9-5-2026"],"last_verified":"2026-09-22","verified":true,"confidence":"high","notes":"Commercial operation 2026-09-17 per WNN and NucNet; about 5.4 years from first concrete (2021-03-31). Twin unit Changjiang-4 in pre-commissioning, both phase II units scheduled fully operational early 2027.","tags":["cn","hualong"],"updated_at":"2026-09-01","slippage_years":null}}