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.
Nationale Gesellschaft zur Förderung der industriellen Atomtechnik
BROWN BOVERI ET CIE
Operator: Energie de l'Ouest Suisse
Owner: Nationale Gesellschaft zur Förderung der industriellen Atomtechnik
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.
$292
Lodging/Night
$195
M&IE/Day
$487
Total/Day
Switzerland: 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.
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.
46.6932, 6.82636
Location & Contact
?
Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.
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: Lucens reactor.
Lucens was an experimental nuclear power reactor near the town of Lucens in the canton of Vaud, Switzerland, built inside an underground rock cavern.
Read more
It was a heavy-water-moderated, carbon-dioxide-cooled pressure tube reactor using natural uranium. Construction began on 1 April 1962, the reactor first went critical on 29 December 1966, and it was connected to the grid on 29 January 1968. On 21 January 1969, water entering the pressure tubes corroded the magnesium fuel casings, blocked coolant flow and caused a partial core meltdown that contaminated the cavern. No workers or members of the public were irradiated. The event has been rated between level 4 and level 5 on the INES scale, and the reactor was permanently shut down that day.
