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Nuclear update: Availability inches down to near 96%

Total U.S. nuclear plant availability slipped marginally to 96.04% early Jan. 30, down from 96.11% on Jan. 27, but remained above the 90.63% reported on the same day in 2016.

Working to tug output lower across the country was the unexpected loss of several units over the weekend, including Entergy Corp.'s River Bend reactor in Louisiana, which was offline early Jan. 30 from 100% previously. The unit was shut down due to an equipment malfunction, according to a Jan. 30 filing with the U.S. Nuclear Regulatory Commission.

Additionally, output at unit 2 at Entergy's Arkansas Nuclear One facility in Arkansas was cut to 81% as of early Jan. 30, down from 100% on Jan. 27.

On the flip side, production at PG&E Corp.'s Diablo Canyon 2 unit in California returned to 100% early Jan. 30, up from a reduced level of 55% on Jan. 27. Also, Southern Co.'s Hatch 1 in Georgia was running at 96% early Jan. 30, increasing from 33% on Jan. 27.

For details of U.S. nuclear power plant operations, visit our Nuclear Availability and Status and Outage Pages.