France · 47.720, 1.578Saint-Laurent
Saint-Laurent, nuclear power plant in France, operates 2 pressurized water reactors with 1,830 MW net installed capacity and has been in service since 1969.
Unit Saint-Laurent B-2 has been operating for 43 years, since 1983. Its 1,830 MW net are enough to supply about 5,760,000 households.
- Country
- France
- Units
- 4
- Technology
- GCR · PWR
- Net capacity
- 1,830 MWe
- First grid connection
- 1969
- Operator
- Electricité de France
- Owner
- Electricité de France SA
- Status
- Operating
See also: alerts for this plant · every plant in France · Vendor: Framatome · every GCR reactor · how a GCR works · every PWR reactor · how a PWR works
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Saint-Laurent A-1 | Gas-cooled (GCR / AGR) | UNGG | Shut down | 390 | 1,650 | Oct 1963 | Mar 1969 | Apr 1990 | — |
| Saint-Laurent A-2 | Gas-cooled (GCR / AGR) | UNGG | Shut down | 465 | 1,475 | Jan 1966 | Aug 1971 | May 27, 1992 | — |
| Saint-Laurent B-1 | Pressurized water (PWR) | CP2 | Operating | 915 | 2,785 | May 1, 1976 | Jan 21, 1981 | — | 78.7 % (2024) |
| Saint-Laurent B-2 | Pressurized water (PWR) | CP2 | Operating | 915 | 2,785 | Jul 1, 1976 | Jun 1, 1981 | — | 59.5 % (2024) |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Saint-Laurent A-1, a 390 MWe GCR (UNGG), started construction in 1963 and operated from 1969 to 1990.
Saint-Laurent A-2, a 465 MWe GCR (UNGG), started construction in 1966 and operated from 1971 to 1992.
Saint-Laurent B-1, a 915 MWe PWR (CP2), started construction in 1976, was connected to the grid in 1981 and is still operating, with a 78.7% load factor in 2024.
Saint-Laurent B-2, a 915 MWe PWR (CP2), started construction in 1976, was connected to the grid in 1981 and is still operating, with a 59.5% load factor in 2024.
Operator: Electricité de France.
Owner: Electricité de France SA (Saint-Laurent A-1, Saint-Laurent A-2, Saint-Laurent B-1, Saint-Laurent B-2).