Forsmark spent fuel repository (KBS-3)
Forsmark spent fuel repository (KBS-3) is a repository facility operated by Svensk Kärnbränslehantering (SKB) in Sweden. Its capacity is not publicly disclosed.
The second deep geological repository for spent fuel anywhere to begin construction. Copper canisters in bentonite clay, about 500 metres down in granite, the KBS-3 method Finland also uses. The construction licence was approved in September 2022, surface works are under way, and an application for underground excavation followed in January 2025. Operation is expected in the early 2030s.
| Stage | Geological disposal |
|---|---|
| Operator | Svensk Kärnbränslehantering (SKB) |
| Country | Sweden |
| Capacity | not disclosed |
| Figure applies to | - |
| Note on the figure | Sized for Sweden's full inventory, roughly 12,000 tHM. |
| Status | construction |
| Commissioned | not stated |
| Coordinates | 60.4000, 18.1670 |
No disclosed capacity, so its share of world repository capacity cannot be stated.
Svensk Kärnbränslehantering (SKB) also operates:
- Clab central interim storage (dry_storage)
- SFR, Forsmark (repository)
Other repository facilities
| Facility | Capacity | Status |
|---|---|---|
| Wolsong LILW Disposal Center, Gyeongju | 800,000drums | operating |
| Konrad | 303,000m³ | construction |
| Yucca Mountain | 70,000tHM total | closed |
| Asse II | 47,000m³ | closed |
| Morsleben (ERAM) | 37,000m³ | closed |
| Onkalo | not disclosed | construction |
| Cigéo | not disclosed | planned |
| Canadian deep geological repository | not disclosed | planned |
| Nördlich Lägern | not disclosed | planned |
| Waste Isolation Pilot Plant | not disclosed | operating |
| SFR, Forsmark | not disclosed | operating |
| Olkiluoto VLJ repository | not disclosed | operating |
| Loviisa VLJ repository | not disclosed | operating |
| Centre de l'Aube (CSA) | not disclosed | operating |
| El Cabril | not disclosed | operating |
| Low Level Waste Repository, Drigg | not disclosed | operating |
| Rokkasho LLW Disposal Center | not disclosed | operating |
| Bátaapáti National Radioactive Waste Repository | not disclosed | operating |
| Yeniseisky underground research laboratory, Krasnoyarsk | not disclosed | construction |
| Beishan underground research laboratory | not disclosed | construction |
Sources
- World Nuclear Association, Storage and Disposal of Radioactive Waste · retrieved 2026-09-06
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data