Background: The AP1000 reactor, explained
Current state
| Status | Under construction |
| Design | CAP1000 (PWR) |
| Net capacity | 1,150 MWe |
| Country | China |
| Vendor | SPIC (CAP1000) |
| Owner / operator | CNNC & Datang |
| Construction start | 2024-07 |
| Original COD target | — |
| Current COD estimate | 2029 |
| Schedule slippage | — |
Notes
Verified 2026-09-28: first concrete 2024-07-17 and CA20 Nov 2024 per WNN/CNNC. RPV May 2026 is a WNN relay of a CNNC announcement (single origin) — recorded as medium. 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)
- 2024-07-17 — Construction start (first concrete) for unit 2 (source)
- 2024-11-03 — CA20 super module (over 1000 tonnes) installed at unit 2 (source)
- 2026-05-28 — Reactor pressure vessel hoisted into place (CNNC); official start of peak main-equipment installation for unit 2 (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 CAP1000 design
- The 7 nuclear stories that mattered this week 2026-10-03
- Bailong 2 enters construction with first nuclear-island concrete 2026-09-28
- Haiyang-3 completes hot functional testing 2026-08-17
- China approves eight reactors across four nuclear projects 2026-08-03
- China General Nuclear installs reactor vessel at Lufeng unit 1 2026-07-15
Sources
- https://world-nuclear.org/information-library/current-and-future-generation/plans-for-new-reactors-worldwide
- https://pris.iaea.org/pris/
- https://www.world-nuclear-news.org/articles/super-module-installed-at-xudabao-2
- https://www.world-nuclear-news.org/articles/milestones-reached-at-xudabao-construction-site