Current state
| Status | Under construction |
| Design | Hualong One (PWR) |
| Net capacity | 1,090 MWe |
| Country | China |
| Vendor | CNNC |
| Owner / operator | CNNC |
| Construction start | 2026-01-16 |
| Original COD target | — |
| Current COD estimate | 2031 |
| Schedule slippage | — |
Notes
Phase I: two Hualong One units (1,208 MWe gross each) plus a 660 MWe high-temperature gas-cooled reactor; State Council approval August 2024. First concrete 2026-01-16 per CNNC and Wikipedia. Aug-2026 tower crane + Sep-2026 unit-3 installation-bid progress (CINIE/Seetao, single origin each) noted. Wikipedia lists operation start 2030 for unit 1 while the WNA table implies ~2031; tracker keeps 2031 (WNA/PRIS-consistent) pending an operator COD statement.
Milestone log
- 2026-06-16 — Listed as under construction in the WNA world table, grid connection estimated 2031 (source)
- 2026-01-16 — Concrete pouring began for the nuclear island of unit 1 at phase I of the Xuwei nuclear heating and power project in Lianyungang, Jiangsu — billed as the world's first large-scale nuclear energy-petrochemical integration project (source)
- 2026-09-15 — Containment steel-liner Module III (133 t) hoisted; liner cylinder passes halfway (31.45 m cumulative) — first unit of China's 15th Five-Year Plan (CINIE + plant relay) (source)
The milestone log is append-only: corrections are recorded as new entries, never rewrites. Full history via /api/v1/changes.