Bugey
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.
5 units: 4 operational, 1 permanent shutdown.
Net capacity in service: 3,580 MWe.
| Unit | Type | Model | Net MWe | Construction | Grid | Commercial Op | Shutdown | Status |
|---|---|---|---|---|---|---|---|---|
| Bugey 1 | GCR | UNGG | 540 | 1965-12-01 | 1972-04-15 | 1972-07-01 | 1994-05-27 | Permanent Shutdown |
| Bugey 2 | PWR | CP0 | 910 | 1972-11-01 | 1978-05-10 | 1979-03-01 | Operational | |
| Bugey 3 | PWR | CP0 | 910 | 1973-09-01 | 1978-09-21 | 1979-03-01 | Operational | |
| Bugey 4 | PWR | CP0 | 880 | 1974-06-01 | 1979-03-08 | 1979-07-01 | Operational | |
| Bugey 5 | PWR | CP0 | 880 | 1974-07-01 | 1979-07-31 | 1980-01-03 | Operational |
Capacity, milestones and suppliers
| Unit | Design MWe | Gross MWe | Thermal MWt | First Criticality | Reactor Supplier | Turbine Supplier | Notes |
|---|---|---|---|---|---|---|---|
| Bugey 1 | 540 | 555 | 1,954 | 1972-03-21 | FRAMATOME | ALSTOM | |
| Bugey 2 | 920 | 945 | 2,785 | 1978-04-20 | FRAMATOME | FRAMATOME | |
| Bugey 3 | 920 | 945 | 2,785 | 1978-08-31 | FRAMATOME | FRAMATOME | |
| Bugey 4 | 900 | 917 | 2,785 | 1979-02-17 | FRAMATOME | FRAMATOME | |
| Bugey 5 | 900 | 917 | 2,785 | 1979-07-15 | FRAMATOME | FRAMATOME |
Lifetime performance, through 2025
| Unit | Electricity Supplied | Load Factor | Energy Availability | Operating Factor |
|---|---|---|---|---|
| Bugey 1 | 55.3 TWh | 53.4% | 66.6% | 70.3% |
| Bugey 2 | 258.0 TWh | 68.4% | 72.0% | 73.8% |
| Bugey 3 | 248.5 TWh | 66.1% | 70.1% | 71.3% |
| Bugey 4 | 251.3 TWh | 70.1% | 74.2% | 75.8% |
| Bugey 5 | 244.1 TWh | 68.0% | 72.3% | 74.0% |
Operator: ÉLECTRICITÉ DE FRANCE
Owner: ÉLECTRICITÉ DE FRANCE
Source: IAEA Power Reactor Information System (PRIS), as of 2026-11-02.
Working Here
Per Diem Rates FY 2026
Per diem covers lodging and meals & incidental expenses (M&IE) for government and contractor travel near this facility. Rates are from the U.S. State Department foreign per diem tables for FY 2026.
$220
Lodging/Night
$132
M&IE/Day
$352
Total/Day
France: rate for locations the State Department does not list separately
U.S. Department of State foreign per diem, for U.S. government and contractor travel.
Photos
Photos of this facility from the NukeWorker photo gallery. Click the header or any photo to browse the full album.
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.
45.7982, 5.26897
Location & Contact
Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.
Plant Facts
About This Site
Written by NukeWorker from public records: facts that do not change. Operator, status and capacity come from the live data elsewhere on this page. Sources: Wikipedia: Bugey Nuclear Power Plant.
Bugey is a nuclear power site in the commune of Saint-Vulbas, in the Ain department of Auvergne-Rhône-Alpes, on the bank of the Rhône about 35 km upstream of Lyon. It has five reactor units.
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Site work began in 1964. Bugey 1, a gas-cooled, graphite-moderated (UNGG) unit, began construction in December 1965, was connected to the grid in April 1972, and was permanently shut down on 27 May 1994. Bugey 2 through 5 are pressurized water reactors of the CP0 design, started between 1972 and 1974 and first connected to the grid between May 1978 and July 1979. During the heat wave of July 2003, waste heat was discharged directly into the Rhône on two occasions.