Ringhals nuclear power plant 1
Retired Sweden
Gross capacity
910MW
Ringhals nuclear power plant 1 is a boiling water reactor unit at Ringhals nuclear power plant in Sweden rated at 910 MW gross. It is retired. Commercial operation began 1 Jan 1976.
Specification
| Reactor type | Boiling water reactor (BWR) |
|---|---|
| Model | AA-I |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 910MW |
| Net capacity (reference) | 881MW |
| Net capacity (design) | 881MW |
| Thermal output | 2,540MWt |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Ringhals nuclear power plant |
|---|---|
| Unit | 1 |
| Country | Sweden |
| Owner | Ringhals AB100% |
| Operator | Ringhals |
| Coordinates | 57.2574, 12.1087 |
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
- Framatome BWR fuel assemblies
- Global Nuclear Fuel BWR fuel assemblies
- Westinghouse Electric Company BWR 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utilities do not publish fuel contracts.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 Feb 1969Construction start
- 20 Aug 1973First criticality
- 14 Oct 1974Grid connection
- 1 Jan 1976Commercial operation
- 31 Dec 2020Permanent shutdown
Other units at Ringhals nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Ringhals nuclear power plant 2 | Retired | 963 |
| Ringhals nuclear power plant 3 | 1,117 | |
| Ringhals nuclear power plant 4 | 1,171 |
Other AA-I units
2 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Oskarshamn nuclear power plant 1 | Sweden | Retired | 492 |
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 2024-05-09
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted