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Ohi nuclear power plant 2

Retired Japan
Gross capacity
1,175MW

Ohi nuclear power plant 2 is a pressurised water reactor unit at Ohi nuclear power plant in Japan rated at 1,175 MW gross. It is retired. Commercial operation began 5 Dec 1979.

Specification
Reactor type Pressurised water reactor (PWR)
ModelWH 4LP
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity1,175MW
Net capacity (reference)1,120MW
Net capacity (design)1,120MW
Thermal output3,423MWt
Typical enrichment3–5% U-235
Ownership & location
SiteOhi nuclear power plant
Unit2
CountryJapan
OwnerKansai Electric Power Co100%
OperatorKansai Electric Power
Coordinates 35.5424, 135.6544
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
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.

RosatomUrencoCNNCOrano
Conversion
CamecoCNNCConverDynOranoRosatom
Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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

  1. 8 Dec 1972Construction start
  2. 14 Sep 1978First criticality
  3. 11 Oct 1978Grid connection
  4. 5 Dec 1979Commercial operation
  5. 1 Mar 2018Permanent shutdown

Other units at Ohi nuclear power plant

UnitStatusGross MW
Ohi nuclear power plant 1 Retired 1,175
Ohi nuclear power plant 3 Operating 1,180
Ohi nuclear power plant 4 Operating 1,180

Other WH 4LP units

5 units worldwide share this model designation.

UnitCountryStatusGross MW
Enrico Fermi nuclear power plant Italy Retired 270
Ohi nuclear power plant 1 Japan Retired 1,175
Zion nuclear power plant 1 United States Retired 1,085
Zion nuclear power plant 2 United States Retired 1,085

Sources