Open-pool Australian lightwater reactor

The Open-Pool Australian Lightwater Reactor (OPAL) is a research reactor located at the Lucas Heights nuclear research facility in New South Wales, Australia. It is operated by Australian Nuclear Science and Technology Organisation (ANSTO) and began its operation in 2006. The OPAL reactor is noteworthy for several reasons: 1. **Light Water Reactor**: As a light water reactor, OPAL uses ordinary water (H2O) as both a coolant and a neutron moderator.