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September 26, 2018

Nine Mile 2 Planned Spring Refueling Outage Under Way


OSWEGO, NY – Constellation Energy Nuclear Group’s Nine Mile Point Nuclear Station Unit 2 has started its planned spring refueling outage.

Nine Mile Point Unit 2 was taken offline on April 9 at 12:02 a.m. for the refueling outage.

The last refueling outage for Unit 2 began on April 2, 2010 and ended on May 3, 2010.

The overall duration was 30 days, 21 hours and 56 minutes.

Normal refueling and maintenance activities include fuel handling and in-vessel inspections, as well as upgrades and replacements of equipment components including motors, valves and seals.

During a refueling outage one-third of the unit’s fuel is replaced.

The remaining two-thirds is shuffled.

Major Work Scope: In addition to normal refueling activities, NMP will be performing the following material improvement modifications during the outage: cooling tower distribution piping replacement, control rod blade replacements and chemical decontamination of several systems.

Several modifications in support of the Extended Power Uprate project will also be completed during the refueling outage, including high pressure turbine rotor replacement, feedwater pump motor cable replacement, steam dryer modifications, condenser expansion joint replacement and instrument set-point changes/replacements.

The Unit 2 EPU project is targeted for completion by the end of 2012.

Nine Mile Point Unit 1 will continue to operate at full power.

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