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Millstone nuclear power plant 3

Operating United States
Gross capacity
1,280MW

Millstone nuclear power plant 3 is a pressurised water reactor unit at Millstone nuclear power plant in United States rated at 1,280 MW gross. It is operating. Commercial operation began 23 Apr 1986.

Specification
Reactor type Pressurised water reactor (PWR)
ModelWH 4LP (DRYSUB)
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity1,280MW
Net capacity (reference)1,210MW
Net capacity (design)1,159MW
Thermal output3,650MWt
Typical enrichment3–5% U-235
Ownership & location
SiteMillstone nuclear power plant
Unit3
CountryUnited States
OwnerDominion Resources Inc100%
OperatorDominion Energy
Coordinates 41.3107, -72.1677
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.

Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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. 9 Aug 1974Construction start
  2. 23 Jan 1986First criticality
  3. 12 Feb 1986Grid connection
  4. 23 Apr 1986Commercial operation

Other units at Millstone nuclear power plant

UnitStatusGross MW
Millstone nuclear power plant 1 Retired 684
Millstone nuclear power plant 2 Operating 918

Sources