Fessenheim
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 permanent shutdown.
| Unit | Type | Model | Net MWe | Construction | Grid | Commercial Op | Shutdown | Status |
|---|---|---|---|---|---|---|---|---|
| Fessenheim 1 | PWR | CP0 | 880 | 1971-09-01 | 1977-04-06 | 1978-01-01 | 2020-02-22 | Permanent Shutdown |
| Fessenheim 2 | PWR | CP0 | 880 | 1972-02-01 | 1977-10-07 | 1978-04-01 | 2020-06-30 | Permanent Shutdown |
Capacity, milestones and suppliers
| Unit | Design MWe | Gross MWe | Thermal MWt | First Criticality | Reactor Supplier | Turbine Supplier | Notes |
|---|---|---|---|---|---|---|---|
| Fessenheim 1 | 880 | 920 | 2,785 | 1977-03-07 | FRAMATOME | FRAMATOME | |
| Fessenheim 2 | 880 | 920 | 2,785 | 1977-06-27 | FRAMATOME | FRAMATOME |
Lifetime performance, through 2025
| Unit | Electricity Supplied | Load Factor | Energy Availability | Operating Factor |
|---|---|---|---|---|
| Fessenheim 1 | 226.7 TWh | 69.5% | 72.2% | 74.1% |
| Fessenheim 2 | 220.6 TWh | 67.2% | 70.8% | 72.1% |
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.
47.9036, 7.56234
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: Fessenheim Nuclear Power Plant.
Fessenheim is a nuclear power plant in the commune of Fessenheim, in the Haut-Rhin department of Grand Est, in northeastern France. It was built beside the Grand Canal d'Alsace, which carries the Upper Rhine, within 1.5 km of the German border. It had two pressurized water reactors of the CP0 class.
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Construction began in the early 1970s. On 3 May 1975, two bombs exploded during construction, causing damage and delay but no injuries. Unit 1 was first connected to the grid in April 1977 and unit 2 in October 1977. Unit 1 was permanently shut down on 22 February 2020, and unit 2 on 30 June 2020.