March 1, 2012
Reuters News Service
HOUSTON, March 1 (Reuters) – The 1,280-megawatt Unit 2 at the South Texas Project nuclear station in Texas is expected to be back in service by mid-April, well before the state’s peak electric demand, NRG Energy officials told investors this week.
The unit has been shut since Nov. 29, when the main generator malfunctioned due to a ground fault that resulted in damage to rotor and stator coils, South Texas Nuclear Operating Co officials said previously.
The 72 coils have been replaced and the damaged rotor is being refurbished at a Siemens facility in North Carolina.
The Texas grid agency and regulators are watching the state’s generating supply after a heatwave in 2011 sent electric demand soaring, straining resources. The grid operator was forced to curtail power to some industrial customers on certain days, but avoided rolling outages.
The 1,280-MW Unit 1 has continued operating at full power.
|TOWN:||Bay City, 90 miles (145 km) south of Houston|
|OPERATOR:||STP Nuclear Operating Co|
|OWNERS:||NRG Energy, 44 percent;
City of San Antonio’s CPS Energy, 40 percent;
City of Austin’s Austin Energy, 16 percent
|UNITS:||1 – 1,280 MW pressurized water reactor
2 – 1,280 MW pressurized water reactor
|1976 –||Start of plant construction|
|1988 –||Unit 1 enters commercial operation|
|1989 –||Unit 2 enters commercial operation|
|2007 –||NRG files license application to build two new Advanced Boiling Water Reactors (ABWR) at the site|
|2010 –||STP files application to renew operating licenses for units 1 and 2 for an additional 20 years|
|2011 –||NRG ends investment in new reactors after Fukushima accident; COL process continues|
|2011 –||Regulators approve amended ABWR design|
|2027 –||Unit 1 license to expire unless renewed||2028 –||Unit 2 license to expire unless renewed|
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