Chapelcross
Annan, DFS
Reactor Data
Reactor Units
Every power reactor at this site as listed in the IAEA Power Reactor Information System (PRIS): reactor type and model, net electrical capacity, grid connection and commercial operation dates, and current status.
4 units: 4 permanent shutdown.
| Unit | Type | Model | Net MWe | Construction | Grid | Commercial Op | Shutdown | Status |
|---|---|---|---|---|---|---|---|---|
| Chapelcross 1 | GCR | MAGNOX | 48 | 1955-10-01 | 1959-02-01 | 1959-03-01 | 2004-06-29 | Permanent Shutdown |
| Chapelcross 2 | GCR | MAGNOX | 48 | 1955-10-01 | 1959-07-01 | 1959-08-01 | 2004-06-29 | Permanent Shutdown |
| Chapelcross 3 | GCR | MAGNOX | 48 | 1955-10-01 | 1959-11-01 | 1959-12-01 | 2004-06-29 | Permanent Shutdown |
| Chapelcross 4 | GCR | MAGNOX | 48 | 1955-10-01 | 1960-01-01 | 1960-03-01 | 2004-06-29 | Permanent Shutdown |
Capacity, milestones and suppliers
| Unit | Design MWe | Gross MWe | Thermal MWt | First Criticality | Reactor Supplier | Turbine Supplier | Notes |
|---|---|---|---|---|---|---|---|
| Chapelcross 1 | 35 | 60 | 260 | 1958-11-09 | UNITED KINGDOM ATOMIC ENERGY AUTHORITY | C.A.PARSONS | |
| Chapelcross 2 | 35 | 60 | 260 | 1959-05-30 | UNITED KINGDOM ATOMIC ENERGY AUTHORITY | C.A.PARSONS | |
| Chapelcross 3 | 35 | 60 | 260 | 1959-08-31 | UNITED KINGDOM ATOMIC ENERGY AUTHORITY | C.A.PARSONS | |
| Chapelcross 4 | 35 | 60 | 260 | 1959-12-22 | UNITED KINGDOM ATOMIC ENERGY AUTHORITY | C.A.PARSONS |
Operator: MAGNOX, LTD
Owner: Nuclear Decommissioning Authority
Source: IAEA Power Reactor Information System (PRIS), as of 2026-10-12.
Working Here
Photos
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Facility Map
Interactive satellite map showing the facility's geographic location. Marker color indicates current status: green for online, red for offline, orange for reduced power. Click the header to open in Google Maps satellite view.
55.0166, -3.22554
Location & Contact
Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.