Armenian nuclear power plant 1
Retired Armenia
Gross capacity
408MW
Armenian nuclear power plant 1 is a pressurised water reactor unit at Armenian nuclear power plant in Armenia rated at 408 MW gross. It is retired. Commercial operation began 6 Oct 1977.
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | VVER V-270 |
| Size | Largeabove 300 MWe |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 408MW |
| Net capacity (reference) | 376MW |
| Net capacity (design) | 376MW |
| Thermal output | 1,375MWt |
| NSSS vendor | Rosatomall vendors |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Armenian nuclear power plant |
|---|---|
| Unit | 1 |
| Country | Armenia |
| Owner | Ministry Of Territorial Administration And Infrastructure100% |
| Operator | Closed Joint Stock Company Armenian NPP |
| Coordinates | 40.1817, 44.1423 |
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
- TVEL Fuel Company VVER fuel assemblies
- Westinghouse Electric Company VVER-compatible 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utilities do not publish fuel contracts.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 Jul 1969Construction start
- 15 Dec 1976First criticality
- 22 Dec 1976Grid connection
- 6 Oct 1977Commercial operation
- 25 Feb 1989Permanent shutdown
Other units at Armenian nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Armenian nuclear power plant 2 | 448 | |
| Armenian nuclear power plant 3 | Announced | 1,200 |
Other VVER V-270 units
2 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Armenian nuclear power plant 2 | Armenia | 448 |
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 2024-05-20
- GEM.wiki entry (further reading) , CC BY-SA 4.0, linked, not quoted
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data