Tianwan nuclear power plant 3-6
Gross capacity
1,118MW
Tianwan nuclear power plant 3-6 is a pressurised water reactor unit at Tianwan nuclear power plant in China rated at 1,118 MW gross. It is operating. Commercial operation began 2 Jun 2021.
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | CNP-1000 |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 1,118MW |
| Net capacity (reference) | 1,060MW |
| Net capacity (design) | 1,000MW |
| Thermal output | 2,905MWt |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Tianwan nuclear power plant |
|---|---|
| Unit | 3-6 |
| Country | China |
| Owner | China National Nuclear Power Co Ltd100% |
| Operator | Jiangsu Nuclear Power |
| Coordinates | 34.6877, 119.4616 |
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
- China National Nuclear Corporation PWR fuel assemblies
- ENUSA Industrias Avanzadas PWR and BWR fuel assemblies
- Framatome PWR fuel assemblies
- KEPCO Nuclear Fuel PWR fuel assemblies
- Mitsubishi Heavy Industries PWR fuel assemblies
- Westinghouse Electric Company PWR fuel assemblies
Upstream
Enriched fuel means this unit sits downstream of five conversion plants and four enrichment operators holding 88% of world capacity between the top three.
Fabricator capability is recorded against reactor type and model line, not against named units —
utilities do not publish fuel contracts. See the fuel chain.
Timeline
- 7 Sep 2016Construction start
- 4 May 2021First criticality
- 11 May 2021Grid connection
- 2 Jun 2021Commercial operation
Other units at Tianwan nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Tianwan nuclear power plant 1-1 | 1,060 | |
| Tianwan nuclear power plant 1-2 | 1,060 | |
| Tianwan nuclear power plant 2-3 | 1,126 | |
| Tianwan nuclear power plant 2-4 | 1,126 | |
| Tianwan nuclear power plant 3-5 | 1,118 | |
| Tianwan nuclear power plant 4-7 | Under construction | 1,265 |
| Tianwan nuclear power plant 4-8 | Under construction | 1,265 |
Other CNP-1000 units
6 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Fuqing nuclear power plant 1 | China | 1,089 | |
| Fuqing nuclear power plant 2 | China | 1,089 | |
| Fuqing nuclear power plant 3 | China | 1,089 | |
| Fuqing nuclear power plant 4 | China | 1,089 | |
| Tianwan nuclear power plant 3-5 | China | 1,118 |
Sources
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release — CC BY 4.0 · retrieved 2026-09-06 · this unit last researched by GEM on 2024-05-08
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted