Beznau nuclear power plant 1
Gross capacity
380MW
Beznau nuclear power plant 1 is a pressurised water reactor unit at Beznau nuclear power plant in Switzerland rated at 380 MW gross. It is operating. Commercial operation began 9 Dec 1969.
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | Westinghouse 2-loopWH 2LP in the source |
| Size | Largeabove 300 MWe |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 380MW |
| Net capacity (reference) | 365MW |
| Net capacity (design) | 350MW |
| Thermal output | 1,130MWt |
| NSSS vendor | Westinghouse Electric Companyall vendors |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Beznau nuclear power plant |
|---|---|
| Unit | 1 |
| Country | Switzerland |
| Owner | Kernkraftwerk Beznau Ch-5312 Döttingen100% |
| Operator | Kernkraftwerk Beznau Ch-5312 Döttingen |
| Coordinates | 47.5520, 8.2281 |
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utilities do not publish fuel contracts.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
- 1 Sep 1965Construction start
- 30 Jun 1969First criticality
- 17 Jul 1969Grid connection
- 9 Dec 1969Commercial operation
Other units at Beznau nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Beznau nuclear power plant 2 | 380 | |
| Beznau nuclear power plant 3 | Cancelled | 1,600 |
Other WH 2LP units
7 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Angra nuclear power plant 1 | Brazil | 640 | |
| Beznau nuclear power plant 2 | Switzerland | 380 | |
| Krško nuclear power plant 1 | Slovenia | 727 | |
| Doel nuclear power plant 1 | Belgium | Retired | 454 |
| Doel nuclear power plant 2 | Belgium | Retired | 454 |
| Mihama nuclear power plant 1 | Japan | Retired | 340 |
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 2024-05-09
- GEM.wiki entry (further reading) , CC BY-SA 4.0, linked, not quoted
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data