China · 34.688, 119.462Tianwan
Tianwan, nuclear power plant in China, operates 6 pressurized water reactors with 6,240 MW net installed capacity and has been in service since 2007.
Unit Tianwan 1-2 has been operating for 19 years, since 2007. Tianwan 4-7 is under construction, with grid connection expected in 2026. Its 6,240 MW net are enough to supply about 19,700,000 households.
- Country
- China
- Units
- 8
- Technology
- PWR
- Net capacity
- 6,240 MWe
- First grid connection
- 2007
- Operator
- Jiangsu Nuclear Power
- Owner
- China National Nuclear Power Co Ltd
- Status
- Operating
See also: alerts for this plant · every plant in China · Vendor: Izhorsky Plant and Atommash (USSR) · Vendor: China First Heavy Industries · every PWR reactor · how a PWR works
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Tianwan 1-1 | Pressurized water (PWR) | V-428 | Operating | 1,000 | 3,000 | Oct 20, 1999 | May 12, 2006 | — | 83.6 % (2024) |
| Tianwan 1-2 | Pressurized water (PWR) | V-428 | Operating | 1,000 | 3,000 | Sep 20, 2000 | May 14, 2007 | — | 84.8 % (2024) |
| Tianwan 2-3 | Pressurized water (PWR) | VVER | Operating | 1,060 | 3,000 | Dec 27, 2012 | Dec 30, 2017 | — | 84.5 % (2024) |
| Tianwan 2-4 | Pressurized water (PWR) | VVER | Operating | 1,060 | 3,000 | Sep 27, 2013 | Oct 27, 2018 | — | 92.3 % (2024) |
| Tianwan 3-5 | Pressurized water (PWR) | CNP-1000 (CNNC) (CNP-1000) | Operating | 1,060 | 2,905 | Dec 27, 2015 | Aug 8, 2020 | — | 92.0 % (2024) |
| Tianwan 3-6 | Pressurized water (PWR) | CNP-1000 (CNNC) (CNP-1000) | Operating | 1,060 | 2,905 | Sep 7, 2016 | May 11, 2021 | — | 91.2 % (2024) |
| Tianwan 4-7 | Pressurized water (PWR) | VVER-1200 (V-491) | Under construction | 1,171 | 3,200 | May 2021 | 2026 (planned) | — | — |
| Tianwan 4-8 | Pressurized water (PWR) | VVER-1200 (V-491) | Under construction | 1,171 | 3,200 | Feb 2022 | 2027 (planned) | — | — |
Data: IAEA PRIS · Global Energy Monitor · updated on Aug 1, 2026
Tianwan 1-1, a 1,000 MWe PWR (V-428), started construction in 1999, was connected to the grid in 2006 and is still operating, with a 83.6% load factor in 2024.
Tianwan 1-2, a 1,000 MWe PWR (V-428), started construction in 2000, was connected to the grid in 2007 and is still operating, with a 84.8% load factor in 2024.
Tianwan 2-3, a 1,060 MWe PWR (VVER), started construction in 2012, was connected to the grid in 2017 and is still operating, with a 84.5% load factor in 2024.
Tianwan 2-4, a 1,060 MWe PWR (VVER), started construction in 2013, was connected to the grid in 2018 and is still operating, with a 92.3% load factor in 2024.
Tianwan 3-5, a 1,060 MWe PWR (CNP-1000 (CNNC) (CNP-1000)), started construction in 2015, was connected to the grid in 2020 and is still operating, with a 92% load factor in 2024.
Tianwan 3-6, a 1,060 MWe PWR (CNP-1000 (CNNC) (CNP-1000)), started construction in 2016, was connected to the grid in 2021 and is still operating, with a 91.2% load factor in 2024.
Tianwan 4-7, a 1,171 MWe PWR (VVER-1200 (V-491)), has been under construction since 2021, with grid connection expected in 2026.
Tianwan 4-8, a 1,171 MWe PWR (VVER-1200 (V-491)), has been under construction since 2022, with grid connection expected in 2027.
Operator: Jiangsu Nuclear Power.
Owner: China National Nuclear Power Co Ltd (Tianwan 1-1, Tianwan 1-2, Tianwan 2-3, Tianwan 2-4, Tianwan 3-5, Tianwan 3-6, Tianwan 4-7, Tianwan 4-8).