Advanced Test Reactor
also ATR
Advanced Test Reactor is a 250 MW thermal tank-type research reactor in Idaho Falls, the United States, operated by the Idaho National Laboratory. The IAEA Research Reactor Database lists it as operational, with first criticality on 2 July 1967.
- Operator
- Idaho National Laboratory
- Type
- Research reactor
- Approach
- Water-cooled
- Country
- US
- Status
- Operating
Design values
What the machine was built to do, as published. Not results, and never ranked.
| Parameter | Value | Unit | Status | Source |
|---|---|---|---|---|
| Thermal capacity (rated) medium confidence | 250 MW | MW | claimed | IAEA Research Reactor Database (RRDB): public reactor list (JSON behind nucleus.iaea.org/rrdb) aggregator |