Ust-Kuyga nuclear power plant 1
Pre-construction Russia
Gross capacity
55MW
Ust-Kuyga nuclear power plant 1 is a pressurised water reactor unit at Ust-Kuyga nuclear power plant in Russia rated at 55 MW gross. It is pre-construction. Commercial operation began 1 Jan 2028.
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | RITM-200N |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 55MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | not disclosed |
| Thermal output | not disclosed |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Ust-Kuyga nuclear power plant |
|---|---|
| Unit | 1 |
| Country | Russia |
| Owner | Rosatom100% |
| Operator | Rosenergoatom |
| Coordinates | 69.9963, 135.5713approximate |
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
- China National Nuclear Corporation PWR fuel assemblies
- ENUSA Industrias Avanzadas PWR and BWR fuel assemblies
- Framatome PWR fuel assemblies
- KEPCO Nuclear Fuel PWR fuel assemblies
- Mitsubishi Heavy Industries PWR fuel assemblies
- Westinghouse Electric Company PWR fuel assemblies
Upstream
Enriched fuel means this unit sits downstream of five conversion plants and four enrichment operators holding 88% of world capacity between the top three.
Fabricator capability is recorded against reactor type and model line, not against named units —
utilities do not publish fuel contracts. See the fuel chain.
Timeline
- 1 Jan 2024Construction start
- 1 Jan 2028Commercial operation
Other units at Ust-Kuyga nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Ust-Kuyga nuclear power plant 2 | Announced | 55 |
Other RITM-200N units
6 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Jizzakh nuclear power plant 1 | Uzbekistan | Under construction | 55 |
| Jizzakh nuclear power plant 2 | Uzbekistan | Under construction | 55 |
| Kyrgyzstan nuclear power plant 1 | Kyrgyzstan | Announced | 55 |
| Kyrgyzstan nuclear power plant 2 | Kyrgyzstan | Announced | 55 |
| Ust-Kuyga nuclear power plant 2 | Russia | Announced | 55 |
Sources
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release — CC BY 4.0 · retrieved 2026-09-06 · this unit last researched by GEM on 2026-07-07
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted