Canada · 46.187, -77.658Nuclear Power Demonstration (NPD)
Nuclear Power Demonstration (NPD), nuclear power plant in Canada, operated one pressurized heavy water reactor between 1962 and 1987 and is now shut down.
It is Canada's oldest nuclear plant, operating since 1962.
- Country
- Canada
- Units
- 1
- Technology
- PHWR
- Net capacity
- —
- First grid connection
- 1962
- Operator
- Ontario Hydro
- Owner
- AECL
- Status
- Shut down
See also: alerts for this plant · every plant in Canada · every PHWR reactor · how a PHWR works
Operating capacity
0 MWe
net electrical
Units
1
0 operating
First start-up
1962
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Nuclear Power Demonstration (NPD) | Pressurized heavy water (PHWR · CANDU) | CANDU | Shut down | 22 | 92 | Jan 1958 | Jun 1962 | Aug 1987 | — |
Data: IAEA PRIS · Global Energy Monitor · updated on Aug 1, 2026
Nuclear Power Demonstration (NPD), a 22 MWe PHWR (CANDU), started construction in 1958 and operated from 1962 to 1987.
Operator: Ontario Hydro.
Owner: AECL.