Kashiwazaki Kariwa nuclear power plant 6
Gross capacity
1,356MW
Kashiwazaki Kariwa nuclear power plant 6 is a boiling water reactor unit at Kashiwazaki Kariwa nuclear power plant in Japan rated at 1,356 MW gross. It is operating. Commercial operation began 1 Jan 2026.
Specification
| Reactor type | Boiling water reactor (BWR) |
|---|---|
| Model | ABWR |
| Size | Largeabove 300 MWe |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 1,356MW |
| Net capacity (reference) | 1,315MW |
| Net capacity (design) | 1,315MW |
| Thermal output | 3,926MWt |
| NSSS vendor | GE Vernova Hitachi Nuclear Energyall vendors |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Kashiwazaki Kariwa nuclear power plant |
|---|---|
| Unit | 6 |
| Country | Japan |
| Owner | Tokyo Electric Power Co100% |
| Operator | Tokyo Electric Power |
| Coordinates | 37.4259, 138.5941 |
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
- Framatome BWR fuel assemblies
- Global Nuclear Fuel BWR fuel assemblies
- Westinghouse Electric Company BWR fuel assemblies
Upstream
Enriched fuel means this unit sits downstream of five conversion plants and four enrichment operators holding 88% of world capacity between the top three.
Fabricator capability is recorded against reactor type and model line, not against named units,
utilities do not publish fuel contracts. See the fuel chain.
Timeline
- 3 Nov 1992Construction start
- 18 Dec 1995First criticality
- 29 Jan 1996Grid connection
- 1 Jan 2026Commercial operation
Other units at Kashiwazaki Kariwa nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Kashiwazaki Kariwa nuclear power plant 1 | Mothballed | 1,100 |
| Kashiwazaki Kariwa nuclear power plant 2 | Mothballed | 1,100 |
| Kashiwazaki Kariwa nuclear power plant 3 | Mothballed | 1,100 |
| Kashiwazaki Kariwa nuclear power plant 4 | Mothballed | 1,100 |
| Kashiwazaki Kariwa nuclear power plant 5 | Mothballed | 1,100 |
| Kashiwazaki Kariwa nuclear power plant 7 | Mothballed | 1,356 |
Other ABWR units
11 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Hamaoka nuclear power plant 5 | Japan | Mothballed | 1,380 |
| Hamaoka nuclear power plant 6 | Japan | Shelved | 1,400 |
| Kaminoseki nuclear power plant 1 | Japan | Shelved | 1,373 |
| Kaminoseki nuclear power plant 2 | Japan | Shelved | 1,373 |
| Kashiwazaki Kariwa nuclear power plant 7 | Japan | Mothballed | 1,356 |
| Longmen nuclear power plant 1 | Taiwan | Cancelled | 1,350 |
| Longmen nuclear power plant 2 | Taiwan | Cancelled | 1,350 |
| Ohma nuclear power plant 1 | Japan | Under construction | 1,383 |
| Shika nuclear power plant 2 | Japan | Mothballed | 1,206 |
| Shimane nuclear power plant 3 | Japan | Under construction | 1,373 |
Sources
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release , CC BY 4.0 · retrieved 2026-09-06 · this unit last researched by GEM on 2026-06-24
- GEM.wiki entry (further reading) , CC BY-SA 4.0, linked, not quoted
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data