BWR-6
The BWR-6 is a Generation II boiling water reactor from GE Vernova Hitachi Nuclear Energy. 6 units are operating and 0 are under construction, out of 11 on record.
Operating
6
7.3 GW gross
Under construction
0
Planned
0
Cancelled
3
2 retired
The last GE BWR before the ABWR, with a redesigned fuel bundle and a Mark III containment that is far larger and lower-pressure than the Mark I and II it replaced, with a horizontal-vent suppression pool. Clinton, Grand Gulf, Perry, River Bend, Leibstadt and Cofrentes are BWR-6s.
Design
| Vendor | GE Vernova Hitachi Nuclear Energy |
|---|---|
| Reactor type | Boiling water reactor (BWR) |
| Generation | II |
| Capacity range | 1000–1300 MWe gross |
| Also recorded as | BWR-6 (Mark 3)in the source tracker |
| Coolant | Light water |
| Typical enrichment | 3–5% U-235 |
Where it is built
| United States | 5 units, 4 operating |
|---|---|
| Switzerland | 1 unit, 1 operating |
| Spain | 1 unit, 1 operating |
| Italy | 2 units |
| Taiwan | 2 units |
How long it took to build
Years from construction start to grid connection, for units with both dates on record. The median across 8 finished units is 9.7 years.
| Unit | Country | Started | Connected | Years |
|---|---|---|---|---|
| Kuosheng nuclear power plant 1 | Taiwan | 1975 | 1981 | 5.5 |
| Kuosheng nuclear power plant 2 | Taiwan | 1976 | 1982 | 6.3 |
| Leibstadt nuclear power plant | Switzerland | 1974 | 1984 | 10.4 |
| Cofrentes nuclear power plant | Spain | 1975 | 1984 | 9.1 |
| Grand Gulf nuclear power plant 1 | United States | 1974 | 1984 | 10.5 |
| River Bend nuclear power plant 1 | United States | 1977 | 1985 | 8.7 |
| Perry nuclear power plant 1 | United States | 1974 | 1986 | 12.2 |
| Clinton nuclear power plant 1 | United States | 1975 | 1987 | 11.6 |
All BWR-6 units
| Unit | Country | Status | Gross MW | Online |
|---|---|---|---|---|
| Clinton nuclear power plant 1 | United States | 1,098 | 1987 | |
| Cofrentes nuclear power plant | Spain | 1,102 | 1985 | |
| Grand Gulf nuclear power plant 1 | United States | 1,500 | 1985 | |
| Leibstadt nuclear power plant | Switzerland | 1,275 | 1984 | |
| Perry nuclear power plant 1 | United States | 1,303 | 1987 | |
| River Bend nuclear power plant 1 | United States | 1,016 | 1986 | |
| Grand Gulf nuclear power plant 2 | United States | Cancelled | 1,250 | - |
| Kuosheng nuclear power plant 1 | Taiwan | Retired | 985 | 1981 |
| Kuosheng nuclear power plant 2 | Taiwan | Retired | 985 | 1983 |
| Montalto di Castro nuclear power plant 1 | Italy | Cancelled | 1,009 | - |
| Montalto di Castro nuclear power plant 2 | Italy | Cancelled | 1,009 | - |
Sources
- BWR-6, vendor documentation
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release , CC BY 4.0 · retrieved 2026-09-06
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data