Ignalina nuclear power plant 1
Retired Lithuania
Gross capacity
1,300MW
Ignalina nuclear power plant 1 is a light water graphite reactor unit at Ignalina nuclear power plant in Lithuania rated at 1,300 MW gross. It is retired. Commercial operation began 1 May 1985.
Specification
| Reactor type | Light water graphite reactor (LWGR) |
|---|---|
| Model | RBMK-1500 |
| Size | Largeabove 300 MWe |
| Coolant | Light water |
| Moderator | Graphite |
| Gross capacity | 1,300MW |
| Net capacity (reference) | 1,185MW |
| Net capacity (design) | 1,500MW |
| Thermal output | 4,800MWt |
| NSSS vendor | Rosatomall vendors |
| Typical enrichment | 2–2.6% U-235 |
Ownership & location
| Site | Ignalina nuclear power plant |
|---|---|
| Unit | 1 |
| Country | Lithuania |
| Owner | The Republic of Lithuania100% |
| Operator | Ignalina Nuclear Power Plant |
| Coordinates | 55.6023, 26.5598 |
Fuel chain for this unit
Fuel form
Slightly enriched uranium dioxide in pressure tubes
Enrichment
2–2.6% U-235
Who makes this assembly
- TVEL Fuel Company RBMK 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utilities do not publish fuel contracts.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 May 1977Construction start
- 4 Oct 1983First criticality
- 31 Dec 1983Grid connection
- 1 May 1985Commercial operation
- 31 Dec 2004Permanent shutdown
Other units at Ignalina nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Ignalina nuclear power plant 2 | Retired | 1,300 |
Other RBMK-1500 units
2 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Ignalina nuclear power plant 2 | Lithuania | Retired | 1,300 |
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 2024-05-08
- 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