Total U.S. nuclear plant availability dipped earlyOct. 7 to 82.24% from 83.51% on Oct. 6. It was at 83.09% on the same day a yearago.

Pulling down total U.S. production was the loss ofNextEra Energy Inc.'sSt. Lucie 2 in Florida. With unit 1 already idled for a refueling outage, unit2 was taken offlinefrom full power on Oct. 6 in preparation for Hurricane Matthew.

In addition, ExelonCorp.'s Byron 1 plant in Illinois saw output curtailed from 100% onOct. 6 to 86% early Oct. 7.

Private sources note that a number of units may beshut in the following days for planned seasonal work. The units include:Pinnacle West Capital Corp.'sPalo Verde 3 in Arizona, DukeEnergy Corp.'s Shearon Harris Nuclear Power Plant in North Carolinaand South Texas Project 2 in Texas, which is jointly owned by , and .

For details of U.S. nuclear power plant operations,visit our NuclearStatus and Output Page