United Kingdom · 52.925, -3.947Trawsfynydd
Trawsfynydd, nuclear power plant in United Kingdom, operated 2 gas-cooled reactors between 1965 and 1991 and is now shut down.
- Country
- United Kingdom
- Units
- 2
- Technology
- GCR
- Net capacity
- —
- First grid connection
- 1965
- Operator
- Magnox
- Owner
- Nuclear Decommissioning Authority (United Kingdom)
- Status
- Shut down
See also: alerts for this plant · every plant in United Kingdom · Vendor: British nuclear consortia (NPC, APC, EE/B&W/T, GEC, NNC) · every GCR reactor · how a GCR works
Operating capacity
0 MWe
net electrical
Units
2
0 operating
First start-up
1965
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Trawsfynydd 1 | Gas-cooled (GCR / AGR) | Magnox | Shut down | 195 | 850 | Jul 1959 | Jan 1965 | Feb 1991 | — |
| Trawsfynydd 2 | Gas-cooled (GCR / AGR) | Magnox | Shut down | 195 | 850 | Jul 1959 | Feb 1965 | Feb 1991 | — |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Trawsfynydd 1, a 195 MWe GCR (Magnox), started construction in 1959 and operated from 1965 to 1991.
Trawsfynydd 2, a 195 MWe GCR (Magnox), started construction in 1959 and operated from 1965 to 1991.
Operator: Magnox.
Owner: Nuclear Decommissioning Authority (United Kingdom) (Trawsfynydd 1, Trawsfynydd 2).