Canada · 43.870, -78.724Darlington
Darlington, nuclear power plant in Canada, operates 4 pressurized heavy water reactors with 3,512 MW net installed capacity and has been in service since 1990.
Unit Darlington 2 has been operating for 36 years, since 1990. Its 3,512 MW net are enough to supply about 11,100,000 households.
- Country
- Canada
- Units
- 4
- Technology
- PHWR
- Net capacity
- 3,512 MWe
- First grid connection
- 1990
- Operator
- Ontario Power Generation
- Owner
- Ontario Power Generation Inc
- Status
- Operating
See also: alerts for this plant · every plant in Canada · Vendor: Atomic Energy of Canada Limited · every PHWR reactor · how a PHWR works
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Licence until | Load factor |
|---|---|---|---|---|---|---|---|---|---|---|
| Darlington 1 | Pressurized heavy water (PHWR · CANDU) | CANDU 850 | Operating | 878 | 2,776 | Apr 1, 1982 | Dec 19, 1990 | 2052 (planned) | Nov 30, 2045 | 7.6 % (2024) |
| Darlington 2 | Pressurized heavy water (PHWR · CANDU) | CANDU 850 | Operating | 878 | 2,776 | Sep 1, 1981 | Jan 15, 1990 | 2050 (planned) | Nov 30, 2045 | 63.9 % (2024) |
| Darlington 3 | Pressurized heavy water (PHWR · CANDU) | CANDU 850 | Operating | 878 | 2,776 | Sep 1, 1984 | Dec 7, 1992 | 2053 (planned) | Nov 30, 2045 | 83.9 % (2024) |
| Darlington 4 | Pressurized heavy water (PHWR · CANDU) | CANDU 850 | Operating | 878 | 2,776 | Jul 1, 1985 | Apr 17, 1993 | 2053 (planned) | Nov 30, 2045 | 0.0 % (2024) |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Darlington 1, an 878 MWe PHWR (CANDU 850), started construction in 1982, was connected to the grid in 1990 and is still operating, with a 7.6% load factor in 2024.
Darlington 2, an 878 MWe PHWR (CANDU 850), started construction in 1981, was connected to the grid in 1990 and is still operating, with a 63.9% load factor in 2024.
Darlington 3, an 878 MWe PHWR (CANDU 850), started construction in 1984, was connected to the grid in 1992 and is still operating, with a 83.9% load factor in 2024.
Darlington 4, an 878 MWe PHWR (CANDU 850), started construction in 1985, was connected to the grid in 1993 and is still operating.
Operator: Ontario Power Generation.
Owner: Ontario Power Generation Inc (Darlington 1, Darlington 2, Darlington 3, Darlington 4).