{"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":"saeul-4","name":"Saeul-4 (ex Shin-Kori 6)","plant":"Saeul","unit":4,"country":"KR","region":"asia","reactor_type":"PWR","design":"APR1400","capacity_mw_net":1340,"is_smr":false,"vendor":"KEPCO E&C","owner_operator":"KHNP","epc":"Doosan Enerbility (NSSS) + Samsung C&T / Hanwha civil consortium","vendor_id":"org:kepco-enc","owner_operator_ids":["org:khnp"],"epc_ids":["org:doosan-enerbility","org:samsung-cnt","org:hanwha-corporation"],"design_id":"design:apr1400","site_id":"site:saeul","status":"under_construction","construction_start":"2018-09","original_cod_target":null,"current_cod_estimate":2027,"milestones":[{"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":"2026-07-01","event":"Fuel loading preparations complete; first fuel receipt targeted July 2026 (site briefing via DongA Science; exact date N/A)","source":"https://dongascience.com/en/news/77988"},{"date":"2026-08-13","event":"Completion delayed Nov 2026 -> Sep 2027 (+10 months) for RCP facility improvements; operating-licence decision now expected Dec 2026 (ministry notice via MK News)","source":"https://www.mk.co.kr/en/economy/12126840"}],"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=KR","https://www.mk.co.kr/en/economy/12126840","https://dongascience.com/en/news/77988"],"last_verified":"2026-09-28","verified":true,"confidence":"medium","notes":"97.9% complete Apr 2026; commercial operation Mar 2027 per Money Today (vs WNA 2027 grid — consistent). Twin of Saeul-3 (power ascension, commercial targeted Oct 2026). Largest domestic spent-fuel pool (60-year) + digital MMIS. Licence decision Dec 2026/Jan 2027 per press — watch.","tags":["kr","apr1400"],"updated_at":"2026-09-28","slippage_years":null}}