{"docs":"https://nuclearnewsnetwork.com/tracker","unit":{"slug":"changjiang-linglong-1","name":"Linglong One (Changjiang SMR)","plant":"Changjiang","unit":"SMR-1","country":"CN","region":"asia","reactor_type":"PWR","design":"ACP100 (Linglong One)","capacity_mw_net":125,"is_smr":true,"vendor":"CNNC","owner_operator":"CNNC Hainan Nuclear Power","status":"commissioning","construction_start":"2021-07-13","original_cod_target":2026,"current_cod_estimate":2026,"milestones":[{"date":"2021-07-13","event":"First concrete — world's first onshore commercial SMR construction start","source":"https://pris.iaea.org/pris/"},{"date":"2025-10-15","event":"Cold functional testing completed","source":"https://www.world-nuclear-news.org/articles/cold-testing-of-chinese-smr-completed"},{"date":"2025-12-23","event":"Non-nuclear turbine test run passed on first attempt","source":"https://www.world-nuclear-news.org/articles/chinese-smr-completes-non-nuclear-steam-start-up-test"}],"sources":["https://www.nucnet.org/news/china-s-linglong-1-set-to-become-first-land-based-smr-to-begin-operation-12-5-2025","https://pris.iaea.org/pris/","https://www.iea.org/reports/global-energy-review-2026/technology-nuclear"],"last_verified":"2026-07-10","verified":true,"confidence":"high","notes":"World's first land-based commercial SMR; commercial operation targeted H1 2026. Major NNN story on grid connection.","tags":["china","smr","acp100","cnnc","first-of-a-kind"],"updated_at":"2026-07-10","slippage_years":0}}