FBTR
FBTR, a research reactor (fast) in Kalpakkam, India, with 40 MW of thermal power, operated by Indira Gandhi Centre for Atomic Research. Operating, first critical in 1985.
By thermal power it ranks second among the 5 research reactors operating in India. It went critical 29 years after the first research reactor in India, Apsara (1956). It is one of 15 fast research reactors operating worldwide, spread across 6 countries. Its declared uses include isotope production, training and materials testing.
- Country
- India
- City
- Kalpakkam
- Type
- Fast
- Thermal power
- 40 MW
- Operator
- Indira Gandhi Centre for Atomic Research
- Status
- Operating
- First criticality
- 1985
- Purpose
- Isotope production, training, materials testing
See also: every research reactor in India · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026