Pathfinder nuclear power plant
Retired United States
Gross capacity
63MW
Pathfinder nuclear power plant is a boiling water reactor unit at Pathfinder nuclear power plant in United States rated at 63 MW gross. It is retired. Commercial operation began 1 Aug 1966.
Specification
| Reactor type | Boiling water reactor (BWR) |
|---|---|
| Model | Prototype |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 63MW |
| Net capacity (reference) | 59MW |
| Net capacity (design) | 59MW |
| Thermal output | 220MWt |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Pathfinder nuclear power plant |
|---|---|
| Unit | not stated |
| Country | United States |
| Owner | Xcel Energy Inc100% |
| Operator | Nuclear Management |
| Coordinates | 43.6036, -96.6375 |
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utilities do not publish fuel contracts.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 Jan 1959Construction start
- 1 Jan 1964First criticality
- 25 Jul 1966Grid connection
- 1 Aug 1966Commercial operation
- 1 Oct 1967Permanent shutdown
Other Prototype units
5 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| BR3 nuclear power plant 3 | Belgium | Retired | 12 |
| Carolinas-Virginia Tube Reactor nuclear power plant | United States | Retired | 19 |
| KNK II nuclear power plant | Germany | Retired | 21 |
| Kalpakkam nuclear power plant PFBR | India | Under construction | 500 |
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 2024-05-29
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted