Canada · 46.395, -72.358Gentilly
Gentilly, nuclear power plant in Canada, operated 2 reactors: 1 heavy water light water and 1 pressurized heavy water between 1972 and 2012 and is now shut down.
- Country
- Canada
- Units
- 2
- Technology
- HWLWR · PHWR
- Net capacity
- —
- First grid connection
- 1972
- Operator
- Hydro Quebec
- Owner
- Canadian Nuclear Laboratories Ltd · Hydro Quebec
- Status
- Shut down
See also: alerts for this plant · every plant in Canada · Vendor: Atomic Energy of Canada Limited · every HWLWR reactor · every PHWR reactor · how a PHWR works
Operating capacity
0 MWe
net electrical
Units
2
0 operating
First start-up
1972
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Gentilly 1 | Heavy water light water (HWLWR) | CANDU-BLW-250 (HW BLWR 250) | Shut down | 250 | 792 | Sep 1966 | Apr 1971 | Jun 1, 1977 | — |
| Gentilly 2 | Pressurized heavy water (PHWR · CANDU) | CANDU 6 | Shut down | 635 | 2,156 | Apr 1974 | Dec 1982 | Dec 2012 | — |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Gentilly 1, a 250 MWe HWLWR (CANDU-BLW-250 (HW BLWR 250)), started construction in 1966 and operated from 1971 to 1977.
Gentilly 2, a 635 MWe PHWR (CANDU 6), started construction in 1974 and operated from 1982 to 2012.
Operator: Hydro Quebec.
Owner: Canadian Nuclear Laboratories Ltd (Gentilly 1).