Current state
| Status | Under construction |
| Design | Hualong One (PWR) |
| Net capacity | 1,126 MWe |
| Country | China |
| Vendor | CNNC |
| Owner / operator | CNNC & Guodian |
| Construction start | 2024 |
| Original COD target | — |
| Current COD estimate | 2029 |
| Schedule slippage | — |
Notes
Verified 2026-09-22: steam generators installed January 2026 and inner containment dome February 2026 per NucNet/CNEA. Construction began February 2024; sister unit Zhangzhou-2 entered commercial operation 2026-01-05. Grid connection 2029 per WNA table.
Milestone log
- 2026-06-16 — Listed as under construction in the WNA world table, grid connection estimated 2029 (source)
- 2026-01-28 — All steam generators installed at Zhangzhou-3 (source)
- 2026-02-06 — Inner steel containment dome lifted into place at Zhangzhou-3 (source)
The milestone log is append-only: corrections are recorded as new entries, never rewrites. Full history via /api/v1/changes.
NNN coverage
On the Hualong One (HPR1000) design
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/inner-steel-dome-lifted-into-place-at-china-s-zhangzhou-3-nuclear-plant-2-5-2026
- https://www.nucnet.org/news/all-steam-generators-installed-at-china-s-zhangzhou-3-nuclear-power-plant-1-3-2026