Pilgrim nuclear power plant 1
Retired United States
Gross capacity
711MW
Pilgrim nuclear power plant 1 is a boiling water reactor unit at Pilgrim nuclear power plant in United States rated at 711 MW gross. It is retired. Commercial operation began 1 Dec 1972.
Specification
| Reactor type | Boiling water reactor (BWR) |
|---|---|
| Model | BWR-3BWR-3 (Mark 1) in the source |
| Size | Largeabove 300 MWe |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 711MW |
| Net capacity (reference) | 677MW |
| Net capacity (design) | 655MW |
| Thermal output | 2,028MWt |
| NSSS vendor | GE Vernova Hitachi Nuclear Energyall vendors |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Pilgrim nuclear power plant |
|---|---|
| Unit | 1 |
| Country | United States |
| Owner | Entergy Nuclear Operations Inc100% |
| Operator | Entergy Nuclear Operations |
| Coordinates | 41.9436, -70.5771 |
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utilities do not publish fuel contracts.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
- 26 Aug 1968Construction start
- 16 Jun 1972First criticality
- 19 Jul 1972Grid connection
- 1 Dec 1972Commercial operation
- 31 May 2019Permanent shutdown
Other units at Pilgrim nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Pilgrim nuclear power plant 2 | Cancelled | 1,180 |
| Pilgrim nuclear power plant 3 | Cancelled | 1,180 |
Other BWR-3 (Mark 1) units
6 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Dresden nuclear power plant 2 | United States | 950 | |
| Dresden nuclear power plant 3 | United States | 935 | |
| Monticello nuclear power plant | United States | 691 | |
| Quad Cities nuclear power plant 1 | United States | 940 | |
| Quad Cities nuclear power plant 2 | United States | 940 |
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
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data