Maine Yankee nuclear power plant
Retired United States
Gross capacity
900MW
Maine Yankee nuclear power plant is a pressurised water reactor unit at Maine Yankee nuclear power plant in United States rated at 900 MW gross. It is retired. Commercial operation began 28 Dec 1972.
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | not disclosed |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 900MW |
| Net capacity (reference) | 860MW |
| Net capacity (design) | 825MW |
| Thermal output | 2,630MWt |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Maine Yankee nuclear power plant |
|---|---|
| Unit | not stated |
| Country | United States |
| Operator | Maine Yankee Atomic Power |
| Coordinates | 43.9511, -69.6953 |
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utilities do not publish fuel contracts.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 Oct 1968Construction start
- 23 Oct 1972First criticality
- 8 Nov 1972Grid connection
- 28 Dec 1972Commercial operation
- 1 Aug 1997Permanent shutdown
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 2024-05-28
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted