Smolensk
Smolensk, nuclear power plant in Russia, operates 3 graphite-moderated light water reactors with 2,775 MW net installed capacity and has been in service since 1983.
LWGR technology exists in only 2 countries worldwide. Unit Smolensk 1-1 has been operating for 43 years, since 1983. Its 2,775 MW net are enough to supply about 8,740,000 households.
- Country
- Russia
- Units
- 3
- Technology
- LWGR
- Net capacity
- 2,775 MWe
- First grid connection
- 1983
- Operator
- Rosenergoatom
- Owner
- Rosatom
- Status
- Operating
See also: alerts for this plant · every plant in Russia · Vendor: Rosatom (Atomenergomash, Atomstroyexport) · every LWGR reactor · how a LWGR works

Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Smolensk 1-1 | Graphite-moderated light water (LWGR / RBMK) | RBMK-1000 | Operating | 925 | 3,200 | Oct 1, 1975 | Dec 9, 1982 | — | 79.6 % (2024) |
| Smolensk 1-2 | Graphite-moderated light water (LWGR / RBMK) | RBMK-1000 | Operating | 925 | 3,200 | Jun 1, 1976 | May 31, 1985 | — | 84.6 % (2024) |
| Smolensk 1-3 | Graphite-moderated light water (LWGR / RBMK) | RBMK-1000 | Operating | 925 | 3,200 | May 1, 1984 | Jan 17, 1990 | — | 90.2 % (2024) |
Data: IAEA PRIS · Global Energy Monitor · updated on Aug 1, 2026
Smolensk 1-1, a 925 MWe LWGR (RBMK-1000), started construction in 1975, was connected to the grid in 1982 and is still operating, with a 79.6% load factor in 2024.
Smolensk 1-2, a 925 MWe LWGR (RBMK-1000), started construction in 1976, was connected to the grid in 1985 and is still operating, with a 84.6% load factor in 2024.
Smolensk 1-3, a 925 MWe LWGR (RBMK-1000), started construction in 1984, was connected to the grid in 1990 and is still operating, with a 90.2% load factor in 2024.
Operator: Rosenergoatom.
Owner: Rosatom (Smolensk 1-1, Smolensk 1-2, Smolensk 1-3).