PARR-1
PARR-1, a research reactor (pool) in Islamabad, Pakistan, with 10 MW of thermal power, operated by Pakistan Institute of Nuclear Science & Technology. Operating, first critical in 1965.
By thermal power it ranks second among the 6 research reactors operating in Pakistan. It was the first research reactor in Pakistan to go critical and is still operating 61 years later. It is one of 48 pool-type reactors operating worldwide, spread across 28 countries. Its declared uses include isotope production, neutron scattering, neutron radiography and teaching.
- Country
- Pakistan
- City
- Islamabad
- Type
- Pool
- Thermal power
- 10 MW
- Operator
- Pakistan Institute of Nuclear Science & Technology
- Status
- Operating
- First criticality
- 1965
- Purpose
- Isotope production, neutron scattering, neutron radiography, teaching, training, activation analysis, geochronology
See also: every research reactor in Pakistan · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026