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Mihama nuclear power plant 2

Retired Japan
Gross capacity
500MW

Mihama nuclear power plant 2 is a pressurised water reactor unit at Mihama nuclear power plant in Japan rated at 500 MW gross. It is retired. Commercial operation began 25 Jul 1972.

Specification
Reactor type Pressurised water reactor (PWR)
ModelM (2-loop)
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity500MW
Net capacity (reference)470MW
Net capacity (design)470MW
Thermal output1,456MWt
Typical enrichment3–5% U-235
Ownership & location
SiteMihama nuclear power plant
Unit2
CountryJapan
OwnerKansai Electric Power Co100%
OperatorKansai Electric Power
Coordinates 35.7024, 135.9634
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Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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. 29 May 1968Construction start
  2. 10 Apr 1972First criticality
  3. 21 Apr 1972Grid connection
  4. 25 Jul 1972Commercial operation
  5. 27 Apr 2015Permanent shutdown

Other units at Mihama nuclear power plant

UnitStatusGross MW
Mihama nuclear power plant 1 Retired 340
Mihama nuclear power plant 3 Operating 826

Other M (2-loop) units

7 units worldwide share this model designation.

UnitCountryStatusGross MW
Genkai nuclear power plant 1 Japan Retired 559
Genkai nuclear power plant 2 Japan Retired 559
Ikata nuclear power plant 1 Japan Retired 566
Ikata nuclear power plant 2 Japan Retired 566
Tomari nuclear power plant 1 Japan Mothballed 579
Tomari nuclear power plant 2 Japan Mothballed 579

Sources