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San Onofre nuclear power plant 3

Retired United States
Gross capacity
1,127MW

San Onofre nuclear power plant 3 is a pressurised water reactor unit at San Onofre nuclear power plant in United States rated at 1,127 MW gross. It is retired. Commercial operation began 1 Apr 1984.

Specification
Reactor type Pressurised water reactor (PWR)
ModelCE (2-loop) DRYAMB
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity1,127MW
Net capacity (reference)1,080MW
Net capacity (design)1,070MW
Thermal output3,438MWt
Typical enrichment3–5% U-235
Ownership & location
SiteSan Onofre nuclear power plant
Unit3
CountryUnited States
OwnerSouthern California Edison Co100%
OperatorSouthern California Edison
Coordinates 33.3686, -117.5543
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Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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. 1 Mar 1974Construction start
  2. 29 Aug 1983First criticality
  3. 25 Sep 1983Grid connection
  4. 1 Apr 1984Commercial operation
  5. 7 Jun 2013Permanent shutdown

Other units at San Onofre nuclear power plant

UnitStatusGross MW
San Onofre nuclear power plant 1 Retired 456
San Onofre nuclear power plant 2 Retired 1,127

Other CE (2-loop) DRYAMB units

3 units worldwide share this model designation.

UnitCountryStatusGross MW
Palisades nuclear power plant Unit 1 Repower United States Under construction 800
San Onofre nuclear power plant 2 United States Retired 1,127

Sources