Chashma nuclear power plant 4
Gross capacity
340MW
Chashma nuclear power plant 4 is a pressurised water reactor unit at Chashma nuclear power plant in Pakistan rated at 340 MW gross. It is operating. Commercial operation began 19 Sep 2017.
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | CNP-300 |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 340MW |
| Net capacity (reference) | 313MW |
| Net capacity (design) | 313MW |
| Thermal output | 999MWt |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Chashma nuclear power plant |
|---|---|
| Unit | 4 |
| Country | Pakistan |
| Owner | Pakistan Atomic Energy Commission100% |
| Operator | Pakistan Atomic Energy Commission |
| Coordinates | 32.3920, 71.4616 |
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utilities do not publish fuel contracts.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
- 18 Dec 2011Construction start
- 15 Mar 2017First criticality
- 25 Jun 2017Grid connection
- 19 Sep 2017Commercial operation
Other units at Chashma nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Chashma nuclear power plant 1 | 325 | |
| Chashma nuclear power plant 2 | 325 | |
| Chashma nuclear power plant 3 | 340 | |
| Chashma nuclear power plant 5 | Under construction | 1,200 |
Other CNP-300 units
5 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Chashma nuclear power plant 1 | Pakistan | 325 | |
| Chashma nuclear power plant 2 | Pakistan | 325 | |
| Chashma nuclear power plant 3 | Pakistan | 340 | |
| Qinshan nuclear power plant 1-1 | China | 330 |
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 2024-05-23
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted