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Daya Bay nuclear power plant 1

Operating China
Gross capacity
984MW

Daya Bay nuclear power plant 1 is a pressurised water reactor unit at Daya Bay nuclear power plant in China rated at 984 MW gross. It is operating. Commercial operation began 1 Feb 1994.

Specification
Reactor type Pressurised water reactor (PWR)
ModelM310
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity984MW
Net capacity (reference)944MW
Net capacity (design)930MW
Thermal output2,905MWt
Typical enrichment3–5% U-235
Ownership & location
SiteDaya Bay nuclear power plant
Unit1
CountryChina
OwnerGuandong Nuclear Power Joint Venture Co Ltd100%
OperatorDaya Bay Nuclear Power Operations And Management
Coordinates 22.5980, 114.5434
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Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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. 7 Aug 1987Construction start
  2. 28 Jul 1993First criticality
  3. 31 Aug 1993Grid connection
  4. 1 Feb 1994Commercial operation

Other units at Daya Bay nuclear power plant

UnitStatusGross MW
Daya Bay nuclear power plant 2 Operating 1,026

Other M310 units

4 units worldwide share this model designation.

UnitCountryStatusGross MW
Daya Bay nuclear power plant 2 China Operating 1,026
Ling'ao nuclear power plant 1-1 China Operating 990
Ling'ao nuclear power plant 1-2 China Operating 990

Sources