Zwentendorf nuclear power plant 1
Cancelled Austria
Gross capacity
723MW
Zwentendorf nuclear power plant 1 is a boiling water reactor unit at Zwentendorf nuclear power plant in Austria rated at 723 MW gross. It is cancelled. Construction started 1 May 1971.
Specification
| Reactor type | Boiling water reactor (BWR) |
|---|---|
| Model | not disclosed |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 723MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | 692MW |
| Thermal output | not disclosed |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Zwentendorf nuclear power plant |
|---|---|
| Unit | 1 |
| Country | Austria |
| Operator | Tullnerfeld |
| Coordinates | 48.3546, 15.8850 |
| Cancelled | 1978 |
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
- Framatome BWR fuel assemblies
- Global Nuclear Fuel BWR fuel assemblies
- Westinghouse Electric Company BWR 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utilities do not publish fuel contracts.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 May 1971Construction start
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