Higashidori (Tohoku) nuclear power plant 1
Mothballed Japan
Gross capacity
1,100MW
Higashidori (Tohoku) nuclear power plant 1 is a boiling water reactor unit at Higashidori (Tohoku) nuclear power plant in Japan rated at 1,100 MW gross. It is mothballed. Commercial operation began 8 Dec 2005.
Specification
| Reactor type | Boiling water reactor (BWR) |
|---|---|
| Model | BWR-5 |
| Size | Largeabove 300 MWe |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 1,100MW |
| Net capacity (reference) | 1,067MW |
| Net capacity (design) | 1,067MW |
| Thermal output | 3,293MWt |
| NSSS vendor | GE Vernova Hitachi Nuclear Energyall vendors |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Higashidori (Tohoku) nuclear power plant |
|---|---|
| Unit | 1 |
| Country | Japan |
| Owner | Tohoku Electric Power Co Inc100% |
| Operator | Tohoku Electric Power |
| Coordinates | 41.1880, 141.3903 |
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utilities do not publish fuel contracts.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
- 7 Nov 2000Construction start
- 24 Jan 2005First criticality
- 9 Mar 2005Grid connection
- 8 Dec 2005Commercial operation
Other units at Higashidori (Tohoku) nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Higashidori (Tohoku) nuclear power plant 2 | Shelved | 1,385 |
Other BWR-5 units
20 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Laguna Verde nuclear power plant 1 | Mexico | 805 | |
| Laguna Verde nuclear power plant 2 | Mexico | 803 | |
| Onagawa nuclear power plant 2 | Japan | 825 | |
| Shimane nuclear power plant 2 | Japan | 820 | |
| Fukushima Daiichi nuclear power plant 6 | Japan | Retired | 1,100 |
| Fukushima Daini nuclear power plant 1 | Japan | Retired | 1,100 |
| Fukushima Daini nuclear power plant 2 | Japan | Retired | 1,100 |
| Fukushima Daini nuclear power plant 3 | Japan | Retired | 1,100 |
| Fukushima Daini nuclear power plant 4 | Japan | Retired | 1,100 |
| Hamaoka nuclear power plant 3 | Japan | Mothballed | 1,100 |
| Hamaoka nuclear power plant 4 | Japan | Mothballed | 1,137 |
| Kashiwazaki Kariwa nuclear power plant 1 | Japan | Mothballed | 1,100 |
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