United States · 43.512, -113.009Experimental Breeder Reactor
Experimental Breeder Reactor, nuclear power plant in United States, operated 2 other reactors between 1951 and 1994 and is now shut down.
It is United States's oldest nuclear plant, operating since 1951.
- Country
- United States
- Units
- 2
- Technology
- —
- Net capacity
- —
- First grid connection
- 1951
- Operator
- Argonne National Laboratory-West
- Owner
- US Department of Energy
- Status
- Shut down
See also: alerts for this plant · every plant in United States · Nuclear power plants in Idaho
Operating capacity
0 MWe
net electrical
Units
2
0 operating
First start-up
1951
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Experimental Breeder Reactor 1 | Other | unknown | Shut down | 0 | — | — | 1951 | 1964 | — |
| Experimental Breeder Reactor 2 | Other | unknown | Shut down | 19 | — | — | 1965 | Sep 1994 | — |
Data: Global Energy Monitor · editorial review · updated on Sep 21, 2026
Experimental Breeder Reactor 1, a 0 MWe gross — (unknown), operated from 1951 to 1964.
Experimental Breeder Reactor 2, a 19 MWe gross — (unknown), operated from 1965 to 1994.
Operator: Argonne National Laboratory-West.
Owner: US Department of Energy (Experimental Breeder Reactor 1, Experimental Breeder Reactor 2).