Nuclear reactors supplied by Soviet nuclear ministries (Minsredmash, Minatomenergoprom)
Soviet nuclear ministries (Minsredmash, Minatomenergoprom) is recorded as the nuclear steam supply system (NSSS) supplier of 9 units in 3 countries, per the IAEA PRIS register: 2 operating with 1,864 MWe net and 7 shut down.
The Ministry of Medium Machine Building and its successor Minatomenergoprom are recorded as suppliers of the early Soviet reactors, from Obninsk to Ignalina. By country: Russia (5), Lithuania (2) and India (2). By technology: 5 LWGR and 4 PWR. The first unit was connected in 1954 and the most recent in 2016. The most powerful unit in operation is Kudankulam 1, in India, with 932 MWe. 7 units have been permanently shut down.
PRIS supplier codes: MSM, MAEP · Reference · Names per IAEA, Nuclear Power Reactors in the World 2025, table 25
Units with a Soviet nuclear ministries (Minsredmash, Minatomenergoprom) nuclear steam supply system
| Unit | Country | Type | Model | MWe | Grid connection | Status |
|---|---|---|---|---|---|---|
| Atomic Power Station 1 Obninsk |  Russia | LWGR | AM-1 | 5 | 1954 | Shut down |
| Beloyarsk 1 | Russia | LWGR | AMB-100 | 102 | 1964 | Shut down |
| Novovoronezh 1-1 | Russia | PWR | VVER V-210 | 197 | 1964 | Shut down |
| Beloyarsk 2 | Russia | LWGR | AMB-200 | 146 | 1967 | Shut down |
| Novovoronezh 1-2 | Russia | PWR | VVER V-365 | 336 | 1969 | Shut down |
| Ignalina 1 |  Lithuania | LWGR | RBMK-1500 | 1,185 | 1983 | Shut down |
| Ignalina 2 | Lithuania | LWGR | RBMK-1500 | 1,185 | 1987 | Shut down |
| Kudankulam 1 |  India | PWR | VVER-1000/V-412 | 932 | 2013 | Operating |
| Kudankulam 2 | India | PWR | VVER V-412 | 932 | 2016 | Operating |
Data: Global Energy Monitor (CC BY 4.0), IAEA PRIS 2025, Wikipedia (CC BY-SA), Wikidata and Wikimedia Commons. Capacities in net MWe unless stated.
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