RIAR (Research Institute of Atomic Reactors)
The Research Institute of Atomic Reactors (RIAR), based in Dimitrovgrad, Ulyanovsk Oblast, Russia, is a premier nuclear research facility managed by Rosatom, the state-owned atomic energy corporation. Established in 1956, RIAR specializes in the development and testing of nuclear reactor technologie
Key Stats
100/100
RIAR (Research Institute of Atomic Reactors)
Country: Russia Fleet Size: 1 reactor(s) in platform database Total Tracked Capacity: —
Overview
The Research Institute of Atomic Reactors (RIAR), based in Dimitrovgrad, Ulyanovsk Oblast, Russia, is a premier nuclear research facility managed by Rosatom, the state-owned atomic energy corporation. Established in 1956, RIAR specializes in the development and testing of nuclear reactor technologies, materials, and fuel cycles for civilian applications. It plays a critical role in advancing Russia's nuclear energy sector through research and innovation, particularly in experimental reactors and isotope production. Globally, RIAR is recognized as a significant contributor to nuclear science, collaborating with international partners on peaceful nuclear technology development.
Recent Developments
In the past 12-24 months, RIAR has been involved in advancing research on next-generation reactor fuels and materials, supporting Rosatom’s broader goals for sustainable nuclear energy. Notably, the institute has continued operations of its experimental reactors, including the SM-3, to test innovative technologies aimed at enhancing reactor safety and efficiency. Additionally, RIAR has strengthened its role in medical isotope production, contributing to global supply chains for radiopharmaceuticals.
Reactor Fleet (Platform Database)
| Reactor | Country | Type | Capacity (MWe) | Status |
|---|---|---|---|---|
| SM-3 | Russia | Tank-in-pool | — | OPERATIONAL |
Sources
- IAEA Reactor Database — IAEA Power Reactor Information System
- World Nuclear Association — WNA nuclear industry reference
Enriched by Grok · Second Atomic Age Nuclear Wiki · 2026-05-10
Sources (1)
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