St. Alban
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.
2 units: 2 operational.
Net capacity in service: 2,670 MWe.
| Unit | Type | Model | Net MWe | Construction | Grid | Commercial Op | Shutdown | Status |
|---|---|---|---|---|---|---|---|---|
| St. Alban 1 | PWR | P4 REP 1300 | 1,335 | 1979-01-29 | 1985-08-30 | 1986-05-01 | Operational | |
| St. Alban 2 | PWR | P4 REP 1300 | 1,335 | 1979-07-31 | 1986-07-03 | 1987-03-01 | Operational |
Capacity, milestones and suppliers
| Unit | Design MWe | Gross MWe | Thermal MWt | First Criticality | Reactor Supplier | Turbine Supplier | Notes |
|---|---|---|---|---|---|---|---|
| St. Alban 1 | 1,335 | 1,381 | 3,817 | 1985-08-04 | FRAMATOME | ALSTOM | |
| St. Alban 2 | 1,335 | 1,381 | 3,817 | 1986-06-07 | FRAMATOME | ALSTOM |
Lifetime performance, through 2025
| Unit | Electricity Supplied | Load Factor | Energy Availability | Operating Factor |
|---|---|---|---|---|
| St. Alban 1 | 323.3 TWh | 68.9% | 75.3% | 75.9% |
| St. Alban 2 | 315.6 TWh | 68.9% | 75.3% | 76.9% |
Operator: ÉLECTRICITÉ DE FRANCE
Owner: ÉLECTRICITÉ DE FRANCE
Source: IAEA Power Reactor Information System (PRIS), as of 2026-10-19.
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.
45.4043, 4.75548
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: Saint-Alban Nuclear Power Plant.
Saint-Alban is a nuclear power plant on the Rhône river in the Isère department, in the communes of Saint-Alban-du-Rhône and Saint-Maurice-l'Exil, about 50 km downstream of Lyon. It has two pressurized water reactors of the P4 design (1300 MW class), supplied by Framatome.
Read more
Construction began on unit 1 in January 1979 and on unit 2 in July 1979. The units were first connected to the grid in August 1985 and July 1986. During the extreme heat of July 2003, the average water temperature exceeded the limit set by the safety authorities for about four hours.