ES
Saudi Arabia Saudi Arabia · Riyadh · 24.717, 46.644

LPRR

LPRR, a research reactor (pool) in Riyadh, Saudi Arabia, with 30 kW of thermal power, operated by King Abdulaziz City for Science and Technology (KACST). Under construction.

It will be the first research reactor operating in Saudi Arabia once it starts up. 48 pool-type reactors remain in operation today across 28 countries. It is one of 9 research reactors in 7 countries that INVAP designed or built.

Country
Saudi Arabia
City
Riyadh
Type
Pool
Thermal power
30 kW
Operator
King Abdulaziz City for Science and Technology (KACST)
Design and construction
Designed and built by INVAP
Status
Under construction
First criticality
Purpose
Training and education (human-resources development for the national atomic energy programme); research; planned neutron activation analysis and neutron radiography

Data: IAEA RRDB · updated on Sep 3, 2026

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