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Zion nuclear power plant 1

Retired United States
Gross capacity
1,085MW

Zion nuclear power plant 1 is a pressurised water reactor unit at Zion nuclear power plant in United States rated at 1,085 MW gross. It is retired. Commercial operation began 31 Dec 1973.

Specification
Reactor type Pressurised water reactor (PWR)
ModelWH 4LP
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity1,085MW
Net capacity (reference)1,040MW
Net capacity (design)1,040MW
Thermal output3,250MWt
Typical enrichment3–5% U-235
Ownership & location
SiteZion nuclear power plant
Unit1
CountryUnited States
OwnerExelon Generation Co LLC100%
OperatorExelon Generation
Coordinates 42.4461, -87.8028
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Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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 Dec 1968Construction start
  2. 19 Jun 1973First criticality
  3. 28 Jun 1973Grid connection
  4. 31 Dec 1973Commercial operation
  5. 13 Feb 1998Permanent shutdown

Other units at Zion nuclear power plant

UnitStatusGross MW
Zion nuclear power plant 2 Retired 1,085

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
Ohi nuclear power plant 2 Japan Retired 1,175
Zion nuclear power plant 2 United States Retired 1,085

Sources