Daya Bay
Daya Bay, nuclear power plant in China, operates 2 pressurized water reactors with 1,972 MW net installed capacity and has been in service since 1994.
Unit Daya Bay 2 has been operating for 32 years, since 1994. Its 1,972 MW net are enough to supply about 6,210,000 households.
- Country
- China
- Units
- 2
- Technology
- PWR
- Net capacity
- 1,972 MWe
- First grid connection
- 1994
- Operator
- Daya Bay Nuclear Power Operations And Management
- Owner
- Guandong Nuclear Power Joint Venture Co Ltd
- Status
- Operating
See also: alerts for this plant · every plant in China · Vendor: Framatome · every PWR reactor · how a PWR works

Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Daya Bay 1 | Pressurized water (PWR) | Framatome M310 (M310) | Operating | 986 | 2,905 | Aug 7, 1987 | Aug 31, 1993 | — | 71.6 % (2024) |
| Daya Bay 2 | Pressurized water (PWR) | Framatome M310 (M310) | Operating | 986 | 2,905 | Apr 7, 1988 | Feb 7, 1994 | — | 98.6 % (2024) |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Daya Bay 1, a 986 MWe PWR (Framatome M310 (M310)), started construction in 1987, was connected to the grid in 1993 and is still operating, with a 71.6% load factor in 2024.
Daya Bay 2, a 986 MWe PWR (Framatome M310 (M310)), started construction in 1988, was connected to the grid in 1994 and is still operating, with a 98.6% load factor in 2024.
Operator: Daya Bay Nuclear Power Operations And Management.
Owner: Guandong Nuclear Power Joint Venture Co Ltd (Daya Bay 1, Daya Bay 2).