Waterford Nuclear Generating Station

Waterford Nuclear Generating Station
Map
Official nameWaterford Steam Electric Station
CountryUnited States
LocationKillona, St. Charles Parish, Louisiana
Coordinates29°59′43″N 90°28′16″W / 29.99528°N 90.47111°W / 29.99528; -90.47111
StatusOperational
Construction beganNovember 14, 1974 (1974-11-14)
Commission dateSeptember 24, 1985
Construction cost$5.476 billion (2007 USD)[1]
Owner(s)Entergy Louisiana
Operator(s)Entergy Nuclear
Nuclear power station
Reactor typePWR
Reactor supplierCombustion Engineering
Cooling sourceMississippi River
Thermal capacity1 × 3716 MWth
Power generation
Units operational1 × 1152 MW
Make and modelCE 2-loop (DRYAMB)
Nameplate capacity1152 MW
Capacity factor97.17% (2021)
87.10% (lifetime)
Annual net output9806 GWh (2021)
External links
WebsiteWaterford 3

The Waterford Steam Electric Station, Unit 3, also known as Waterford 3, is a nuclear power plant located on a 3,000-acre (1,200 ha) plot in Killona, Louisiana, in St. Charles Parish, about 25 miles (40 km) west of New Orleans.[2]

This plant has one Combustion Engineering two-loop pressurized water reactor. The plant has a maximum dependable capacity of 1,152 megawatts of electricity.[3] The power station's main generator is rated at 1333.2 MVA at a 0.9 power factor (60 psi hydrogen pressure). In 2005, the plant was approved for a 8% (275 MWt) power uprate. The post-uprate nominal main generator output was rated at 1231 MW.[4]

The reactor has a dry ambient pressure containment building.

On August 28, 2005, Waterford shut down due to Hurricane Katrina approaching and declared an unusual event,[5] the least-serious of a four-level emergency classification scale.[6] Shortly after Katrina, Waterford restarted and resumed normal operation.

During the 2011 Mississippi River floods, the plant was shut down briefly after a refueling shutdown on April 6,[7] but was restarted on May 12.[8][9]

The plant shut down on October 17, 2012, for steam-generator replacement. The plant returned to full power in the middle of January 2013.

The plant shut down on August 28, 2021 in preparation for Hurricane Ida. On August 29, 2021 the plant declared an “unusual event″ — its lowest level of emergency — after the facility lost offsite electrical power.[10]

  1. ^ "EIA - State Nuclear Profiles". www.eia.gov. Retrieved 3 October 2017.
  2. ^ Waterford on US Nuclear Power Plants List
  3. ^ "Waterford 3 Steam Electric Station". www.entergy-nuclear.com. Retrieved 2023-01-06.
  4. ^ "NRC: Package ML051030082 - Waterford, Unit 3, License Amendment 199 regarding Extended Power Uprate". www.nrc.gov. Retrieved 2023-01-06.
  5. ^ "Emergency Classification". NRC Web. Retrieved 2023-12-19.
  6. ^ NRC Page on Waterford 3 shutdown prior to Hurricane Katrina
  7. ^ "NRC: Power Reactor Status Report for April 6, 2011". Nuclear Regulatory Commission. Retrieved 2011-05-16.
  8. ^ "NRC: Power Reactor Status Report for May 11, 2011". Nuclear Regulatory Commission. 2011-05-11. Retrieved 2011-05-16.
  9. ^ "NRC: Power Reactor Status Report for May 13, 2011". Nuclear Regulatory Commission. 2011-05-13. Retrieved 2011-05-16.
  10. ^ "Louisiana nuclear power plant declares 'unusual event' after hurricane; Mississippi's Grand Gulf fully operational". August 30, 2021.