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 class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 408MW |
| Net capacity (reference) | 376MW |
| Net capacity (design) | 376MW |
| Thermal output | 1,375MWt |
| 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utilities do not publish fuel contracts.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